www.fairchildsemi.com KA78XX/KA78XXA 3-terminal 1A positive voltage regulator Features Description * * * * * The KA78XX/KA78XXA series of three-terminal positive regulator are available in the TO-220/D-PAK package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shut-down and safe operating area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. Output Current up to 1A Output Voltages of 5, 6, 8, 9, 10, 11, 12, 15, 18, 24V Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating area Protection TO-220 1 D-PAK 1 1. Input 2. GND 3. Output Internal Block Digram Rev. 5.0 (c)2000 Fairchild Semiconductor International KA78XX/KA78XXA Absolute Maximum Ratings Parameter Symbol Value Unit VI VI 35 40 V V Thermal Resistance Junction-Cases RJC 5 Thermal Resistance Junction-Air RJA 65 Operating Temperature Range (KA78XX/A/R) TOPR 0 ~ +125 -65 ~ +150 Input Voltage (for VO = 5V to 18V) (for VO = 24V) Storage Temperature Range TSTG C/W C/W C C Electrical Characteristics (KA7805/KA7805R) (Refer to test circuit ,0C < TJ < 125C, IO = 500mA, VI = 10V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions TJ =+25 oC Output Voltage VO 5.0mA Io 1.0A, PO 15W VI = 7V to 20V VI = 8V to 20V Line Regulation VO TJ=+25 oC Load Regulation VO TJ=+25 oC IQ TJ =+25 oC Quiescent Current Quiescent Current Change Output Voltage Drift IQ VO/T KA7805 Min. Typ. Max. 4.8 5.0 5.2 4.75 5.0 5.25 VO = 7V to 25V - 4.0 100 VI = 8V to 12V - 1.6 50 IO = 5.0mA to1.5A - 9 100 IO =250mA to 750mA - 4 50 - 5.0 8 Unit V mV mV mA IO = 5mA to 1.0A - 0.03 0.5 VI= 7V to 25V - 0.3 1.3 IO= 5mA - -0.8 - mV/ oC - 42 - V 62 73 - dB mA Output Noise Voltage VN f = 10Hz to 100KHz, TA=+25 oC Ripple Rejection RR f = 120Hz VO = 8V to 18V Dropout Voltage VO IO = 1A, TJ =+25 oC - 2 - V Output Resistance RO f = 1KHz - 15 - m - 230 - mA - 2.2 - A Short Circuit Current Peak Current ISC VI = 35V, TA =+25 IPK o TJ =+25 C oC * Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. 2 KA78XX/KA78XXA Electrical Characteristics (KA7806/KA7806R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 11V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 5.75 6.0 6.25 5.7 6.0 6.3 VI = 8V to 25V - 5 120 VI = 9V to 13V - 1.5 60 IO =5mA to 1.5A - 9 120 IO =250mA to750A - 3 60 TJ =+25 oC Output Voltage VO KA7806 5.0mA IO 1.0A, PD 15W VI = 8.0V to 21V VI = 9.0V to 21V Unit V Line Regulation VO TJ =+25 oC Load Regulation VO TJ =+25 oC IQ TJ =+25 oC - 5.0 8 IO = 5mA to 1A - - 0.5 VI = 8V to 25V - - 1.3 IO = 5mA - -0.8 - mV/ o C VN f = 10Hz to 100KHz, TA =+25 oC - 45 - V Ripple Rejection RR f = 120Hz VI = 9V to 19V 59 75 - dB Dropout Voltage VO IO = 1A, TJ =+25 oC - 2 - V Output Resistance RO f = 1KHz - 19 - m - 250 - mA - 2.2 - A Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage IQ VO/T Short Circuit Current ISC VI= 35V, TA=+25 Peak Current IPK TJ =+25 oC oC mV mV mA mA * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 3 KA78XX/KA78XXA Electrical Characteristics (KA7808/KA7808R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 14V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 7.7 8.0 8.3 7.6 8.0 8.4 VI = 10.5V to 25V - 5.0 160 VI = 11.5V to 17V - 2.0 80 IO = 5.0mA to 1.5A - 10 160 IO= 250mA to 750mA - 5.0 80 TJ =+25 oC Output Voltage VO KA7808 5.0mA IO 1.0A, PO 15W VI = 10.5V to 23V VI = 11.5V to 23V Unit V Line Regulation VO TJ =+25 oC Load Regulation VO TJ =+25 oC IQ TJ =+25 oC - 5.0 8 IO = 5mA to 1.0A - 0.05 0.5 VI = 10.5A to 25V - 0.5 1.0 VI = 11.5V to 25V - IO = 5mA - -0.8 - mV/ o C - 52 - V 56 73 - dB 2 - V Quiescent Current Quiescent Current Change Output Voltage Drift IQ VO/T Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC Ripple Rejection RR f = 120Hz, VI= 11.5V to 21.5 o mV mV mA mA - VO IO = 1A, TJ=+25 C - Output Resistance RO f = 1KHz - 17 - m Short Circuit Current ISC VI= 35V, TA =+25 oC - 230 - mA - 2.2 - A Dropout Voltage Peak Current IPK o TJ =+25 C * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 4 KA78XX/KA78XXA Electrical Characteristics (KA7809/KA7809R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 15V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions KA7809 Min. Typ. Max. TJ =+25 oC 8.65 9 9.35 5.0mA IO 1.0A, PD 15W VI= 11.5V to 24V VI = 12.5V to 24V 8.6 9 9.4 VI = 11.5V to 25V - 6 180 VI = 12V to 25v - 2 90 IO = 5mA to 1.5A - 12 180 IO = 250mA to 750mA - 4 90 Unit Output Voltage VO Line Regulation VO TJ=+25 oC Load Regulation VO TJ=+25 oC IQ TJ=+25 oC - 5.0 8 IO = 5mA to 1.0A - - 0.5 VI = 11.5V to 26V - - 1.3 VI = 12.5V to 26V - - - IO = 5mA - -1 - mV/ oC VN f = 10Hz to 100KHz, TA =+25 oC - 58 - V RR f = 120Hz VI = 13V to 23V 56 71 - dB VO IO = 1A, TJ=+25 oC - 2 - V Output Resistance RO f = 1KHz - 17 - m Short Circuit Current ISC VI= 35V, TA =+25 oC - 250 - mA - 2.2 - A Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage Ripple Rejection Dropout Voltage Peak Current IQ VO/T IPK o TJ= +25 C V mV mV mA mA * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 5 KA78XX/KA78XXA Electrical Characteristics (KA7810/KA7810R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 16V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions KA7810 Min. Typ. Max. TJ =+25 oC 9.6 10 10.4 5.0mA IO1.0A, PD 15W VI = 12.5V to 25V VI= 13.5V to 25V 9.5 10 10.5 VI = 12.5V to 25V - 10 200 VI = 13V to 25V - 3 100 IO = 5mA to 1.5A - 12 200 IO = 250mA to 750mA - 4 400 Unit Output Voltage VO Line Regulation VO TJ =+25 oC Load Regulation VO TJ =+25 oC IQ TJ =+25 oC - 5.1 8 IO = 5mA to 1.0A - - 0.5 VI = 12.5V to 29V - - 1.0 VI = 13.5V to 29V - - - IO = 5mA - -1 - mV/ oC - 58 - V 56 71 - dB 2 - V Quiescent Current Quiescent Current Change Output Voltage Drift IQ VO/T V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC Ripple Rejection RR f = 120Hz VI = 13V to 23V Dropout Voltage VO IO = 1A, TJ=+25 oC - Output Resistance RO f = 1KHz - 17 - m Short Circuit Current ISC VI = 35V, TA=+25 oC - 250 - mA - 2.2 - A Peak Current IPK o TJ =+25 C * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 6 KA78XX/KA78XXA Electrical Characteristics (KA7811/KA7811R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 18V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions KA7811 Min. Typ. Max. TJ =+25 oC 10.6 11 11.4 5.0mA IO 1.0A, PD 15W VI = 13.5V to 26V VI= 14.5V to 26V 10.5 11 11.5 VI = 13.5V to 25V - 10 220 VI = 14V to 21V - 3 110 IO = 5.0mA to 1.5A - 12 220 IO = 250mA to 750mA - 4 110 Unit Output Voltage VO Line Regulation VO TJ =+25 oC Load Regulation VO TJ =+25 oC IQ TJ =+25 oC - 5.1 8 IO = 5mA to 1.0A - - 0.5 VI = 13.5V to 29V - - 1.0 VI = 14.5V to 29V - - - IO = 5mA - -1 - mV/ oC - 70 - V 55 71 - dB 2 - V Quiescent Current Quiescent Current Change Output Voltage Drift IQ VO/T V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC Ripple Rejection RR f = 120Hz VI = 14V to 24V Dropout Voltage VO IO = 1A, TJ=+25 oC - Output Resistance RO f = 1KHz - 18 - m Short Circuit Current ISC VI = 35V, TA=+25 oC - 250 - mA - 2.2 - A Peak Current IPK o TJ =+25 C * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 7 KA78XX/KA78XXA Electrical Characteristics (KA7812/KA7812R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 19V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions KA7812 Min. Typ. Max. TJ =+25 oC 11.5 12 12.5 5.0mA IO1.0A, PD15W VI = 14.5V to 27V VI= 15.5V to 27V 11.4 12 12.6 VI = 14.5V to 30V - 10 240 VI = 16V to 22V - 3.0 120 IO = 5mA to 1.5A - 11 240 IO = 250mA to 750mA - 5.0 120 Unit Output Voltage VO Line Regulation VO TJ =+25 oC Load Regulation VO TJ =+25 oC IQ TJ =+25 oC - 5.1 8 IO = 5mA to 1.0A - 0.1 0.5 VI = 14.5V to 30V - 0.5 1.0 VI = 15V to 30V - - - IO = 5mA - -1 - mV/ oC - 76 - V 55 71 - dB 2 - V Quiescent Current Quiescent Current Change Output Voltage Drift IQ VO/T V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC Ripple Rejection RR f = 120Hz VI = 15V to 25V Dropout Voltage VO IO = 1A, TJ=+25 oC - Output Resistance RO f = 1KHz - 18 - m Short Circuit Current ISC VI = 35V, TA=+25 oC - 230 - mA - 2.2 - A Peak Current IPK o TJ = +25 C * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 8 KA78XX/KA78XXA Electrical Characteristics (KA7815/KA7815R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 23V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions KA7815 Min. Typ. Max. TJ =+25 oC 14.4 15 15.6 5.0mA IO1.0A, PD15W VI = 17.5V to 30V VI= 18.5V to 30V 14.25 15 15.75 VI = 17.5V to 30V - 11 300 VI = 20V to 26V - 3 150 IO = 5mA to 1.5A - 12 300 IO = 250mA to 750mA - 4 150 Unit Output Voltage VO Line Regulation VO TJ =+25 oC Load Regulation VO TJ =+25 oC IQ TJ =+25 oC - 5.2 8 IO = 5mA to 1.0A - - 0.5 VI = 17.5V to 30V - - 1.0 VI = 18.5V to 30V - - - IO = 5mA - -1 - mV/ oC - 90 - V Quiescent Current Quiescent Current Change Output Voltage Drift IQ VO/T V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC Ripple Rejection RR f = 120Hz VI = 18.5V to 28.5V 54 70 - dB Dropout Voltage VO IO = 1A, TJ=+25 oC - 2 - V Output Resistance RO f = 1KHz - 19 - m Short Circuit Current ISC VI = 35V, TA=+25 oC - 250 - mA - 2.2 - A Peak Current IPK o TJ =+25 C * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 9 KA78XX/KA78XXA Electrical Characteristics (KA7818/KA7818R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 27V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions KA7818 Min. Typ. Max. TJ =+25 oC 17.3 18 18.7 5.0mA IO 1.0A, PD 15W VI = 21V to 33V VI= 22V to 33V 17.1 18 18.9 VI = 21V to 33V - 15 360 VI = 24V to 30V - 5 180 IO = 5mA to 1.5A - 15 360 IO = 250mA to 750mA - 5.0 180 Unit Output Voltage VO Line Regulation VO TJ =+25 oC Load Regulation VO TJ =+25 oC IQ TJ =+25 oC - 5.2 8 IO = 5mA to 1.0A - - 0.5 VI = 21V to 33V - - 1 mA VI = 22V to 33V - - IO = 5mA - -1 - mV/ oC - 110 - V 53 69 - dB 2 - V Quiescent Current Quiescent Current Change Output Voltage Drift IQ VO/T V mV mV mA Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC Ripple Rejection RR f = 120Hz VI = 22V to 32V Dropout Voltage VO IO = 1A, TJ=+25 oC - Output Resistance RO f = 1KHz - 22 - m Short Circuit Current ISC VI = 35V, TA=+25 oC - 250 - mA - 2.2 - A Peak Current IPK o TJ =+25 C * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 10 KA78XX/KA78XXA Electrical Characteristics (KA7824/KA7824R) (Refer to test circuit ,0C < TJ < +125C, IO = 500mA, VI = 33V, CI= 0.33F, CO= 0.1F, unless otherwise specified) Parameter Symbol Conditions KA7824 Min. Typ. Max. 23 24 25 22.8 24 25.25 VI = 27V to 38V - 17 480 VI = 30V to 36V - 6 240 IO = 5mA to 1.5A - 15 480 IO = 250mA to 750mA - 5.0 240 TJ =+25 oC 5.0mA IO 1.0A, PD 15W VI = 27V to 38V VI= 28V to 38V Unit Output Voltage VO Line Regulation VO TJ =+25 oC Load Regulation VO TJ =+25 oC IQ TJ =+25 oC - 5.2 8 IO = 5mA to 1.0A - 0.1 0.5 VI = 27V to 38V - 0.5 1 VI = 28V to 38V - - - - -1.5 - mV/ o C - 60 - V 50 67 - dB 2 - V Quiescent Current Quiescent Current Change Output Voltage Drift IQ VO/T IO = 5mA V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC Ripple Rejection RR f = 120Hz VI = 28V to 38V Dropout Voltage VO IO = 1A, TJ=+25 oC - Output Resistance RO f = 1KHz - 28 - m Short Circuit Current ISC VI = 35V, TA=+25 oC - 230 - mA - 2.2 - A Peak Current IPK o TJ =+25 C * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 11 KA78XX/KA78XXA Electrical Characteristics (KA7805A) (Refer to the test circuits. TJ = 0 to +I25 oC, Io = 1A, V I = 10V, C I= 0.33F, C O= 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 4.9 5 5.1 4.8 5 5.2 VI = 7.5V to 25V IO = 500mA - 5 50 VI = 8V to 12V - 3 50 VI= 7.3V to 25V - 5 50 VI= 8V to 12V - 1.5 25 TJ =+25 IO = 5mA to 1.5A - 9 100 IO = 5mA to 1A - 9 100 IO = 250mA to 750mA - 4 50 - 5.0 6 TJ =+25 Output Voltage *Line Regulation VO VO oC IO = 5mA to 1A, PD 5W VI = 7.5V to 20V TJ =+25 oC oC *Load Regulation Quiescent Current IQ Quiescent Current Change IQ TJ =+25 oC V/T V mV mV mA IO = 5mA to 1A - - 0.5 VI = 8 V to 25V, IO = 500mA - - 0.8 - - 0.8 Io = 5mA - -0.8 - mV/ oC VI = 7.5V to 20V, TJ =+25 Output Voltage Drift Unit oC mA Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 oC - 10 - V Ripple Rejection RR f = 120Hz, IO = 500mA VI = 8V to 18V - 68 - dB Dropout Voltage VD IO = 1A, TJ =+25 oC - 2 - V Output Resistance RO f = 1KHz - 17 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA o TJ= +25 C =+25 oC * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 12 KA78XX/KA78XXA Electrical Characteristics (KA7806A) (Refer to the test circuits. TJ = 0 to+150 oC, Io = 1A, V I = 11V, C I= 0.33F, C O= 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 5.58 6 6.12 5.76 6 6.24 VI= 8.6V to 25V IO = 500mA - 5 60 VI= 9V to 13V - 3 60 VI= 8.3V to 21V - 5 60 VI= 9V to 13V - 1.5 30 TJ =+25 IO = 5mA to 1.5A - 9 100 IO = 5mA to 1A - 4 100 IO = 250mA to 750mA - 5.0 50 - 4.3 6 TJ =+25 Output Voltage *Line Regulation VO VO oC IO = 5mA to 1A, PD 15W VI = 8.6V to 21V TJ =+25 oC oC *Load Regulation Quiescent Current Quiescent Current Change IQ IQ TJ =+25 oC V/T V mV mV mA IO = 5mA to 1A - - 0.5 VI = 9V to 25V, IO = 500mA - - 0.8 =+25 oC - - 0.8 IO = 5mA - -0.8 - mV/ oC VI= 8.5V to 21V, TJ Output Voltage Drift Unit mA Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 oC - 10 - V Ripple Rejection RR f = 120Hz, IO = 500mA VI = 9V to 19V - 65 - dB Dropout Voltage VD IO = 1A, TJ =+25 oC - 2 - V Output Resistance RO f = 1KHz - 17 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA o TJ=+25 C =+25 oC * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 13 KA78XX/KA78XXA Electrical Characteristics (KA7808A) (Refer to the test circuits. TJ = 0C to+150 oC, Io = 1A, V I = 14V, C I= 0.33F, C O= 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 7.84 8 8.16 7.7 8 8.3 VI= 10.6V to 25V IO = 500mA - 6 80 VI= 11V to 17V - 3 80 VI= 10.4V to 23V - 6 80 VI= 11V to 17V - 2 40 TJ IO = 5mA to 1.5A - 12 100 IO = 5mA to 1A - 12 100 IO = 250mA to 750mA TJ Output Voltage *Line Regulation VO VO =+25 oC IO = 5mA to 1A, PD 15W VI = 8.6V to 21V TJ =+25 oC =+25 oC *Load Regulation Quiescent Current Quiescent Current Change IQ IQ V/T V mV mV - 5 50 =+25 oC - 5.0 6 IO = 5mA to 1A - - 0.5 VI = 11V to 25V, IO = 500mA - - 0.8 - - 0.8 IO = 5mA - -0.8 - mV/ oC TJ VI= 10.6V to 23V, TJ =+25 Output Voltage Drift Unit oC mA mA Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 oC - 10 - V Ripple Rejection RR f = 120Hz, IO = 500mA VI = 11.5V to 21.5V - 62 - dB Dropout Voltage VD IO = 1A, TJ =+25 oC - 2 - V Output Resistance RO f = 1KHz - 18 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC VI= 35V, TA =+25 IPK o TJ=+25 C oC * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 14 KA78XX/KA78XXA Electrical Characteristics (KA7809A) (Refer to the test circuits. TJ = 0C to +125C, Io = 1A, V I = 15V, C I = 0.33F, C O = 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 8.82 9.0 9.18 8.65 9.0 9.35 VI= 11.7V to 25V IO = 500mA - 6 90 VI= 12.5V to 19V - 4 45 VI= 11.5V to 24V - 6 90 VI= 12.5V to 19V - 2 45 TJ IO = 5mA to 1.0A - 12 100 IO = 5mA to 1.0A - 12 100 IO = 250mA to 750mA - 5 50 - 5.0 6.0 TJ Output Voltage *Line Regulation VO VO =+25C IO = 5mA to 1A, PD15W VI = 11.2V to 24V TJ =+25C =+25C *Load Regulation Quiescent Current IQ TJ =+25 C Quiescent Current Change Output Voltage Drift IQ V/T Unit V mV mV mA VI = 11.7V to 25V, TJ=+25 C - - 0.8 VI = 12V to 25V, IO = 500mA - - 0.8 IO = 5mA to 1.0A - - 0.5 IO = 5mA - -1.0 - mV/ C mA Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 C - 10 - V Ripple Rejection RR f = 120Hz, IO = 500mA VI = 12V to 22V - 62 - dB Dropout Voltage VD IO = 1A, TJ =+25 C - 2.0 - V Output Resistance RO f = 1KHz - 17 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA TJ=+25 C =+25 C * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 15 KA78XX/KA78XXA Electrical Characteristics (KA7810A) (Refer to the test circuits. TJ = 0 to +125 C, Io = 1A, V I = 16V, C I = 0.33F, C O = 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 9.8 10 10.2 9.6 10 10.4 VI= 12.8V to 26V IO = 500mA - 8 100 VI= 13V to 20V - 4 50 VI= 12.5V to 25V - 8 100 VI= 13V to 20V - 3 50 TJ IO = 5mA to 1.5A - 12 100 IO = 5mA to 1.0A - 12 100 IO = 250mA to 750mA - 5 50 - 5.0 6.0 TJ Output Voltage *Line Regulation VO VO =+25C IO = 5mA to 1A, PD 15W VI =12.8V to 25V TJ =+25 C =+25 C *Load Regulation Quiescent Current IQ TJ =+25 C Quiescent Current Change Output Voltage Drift IQ V/T VI = 13V to 26V, TJ=+25 C - - 0.5 VI = 12.8V to 25V, IO = 500mA - - 0.8 IO = 5mA to 1.0A - - 0.5 IO = 5mA - -1.0 - Unit V mV mV mA mA mV/ C V Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 C - 10 - Ripple Rejection RR f = 120Hz, IO = 500mA VI = 14V to 24V - 62 - dB Dropout Voltage VD IO = 1A, TJ =+25C - 2.0 - V Output Resistance RO f = 1KHz - 17 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA TJ=+25 C =+25 C * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 16 KA78XX/KA78XXA Electrical Characteristics (KA7811A) (Refer to the test circuits. TJ = 0 to +125C, Io = 1A, V I = 18V, C I = 0.33F, C O = 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 10.8 11.0 11.2 10.6 11.0 11.4 VI= 12.8V to 26V IO = 500mA - 10 110 VI= 15V to 21V - 4 55 VI= 13.5V to 26V - 10 110 VI= 15V to 21V - 3 55 TJ IO = 5mA to 1.5A - 12 100 IO = 5mA to 1.0A - 12 100 IO = 250mA to 750mA - 5 50 - 5.1 6.0 TJ Output Voltage *Line Regulation VO VO =+25 C IO = 5mA to 1A, PD 15W VI = 13.8V to 26V TJ =+25 C =+25 C *Load Regulation Quiescent Current IQ TJ =+25C Quiescent Current Change Output Voltage Drift IQ V/T VI = 13.8V to 26V, TJ=+25 C - - 0.8 VI = 14V to 27V, IO = 500mA - - 0.8 IO = 5mA to 1.0A - - 0.5 IO = 5mA - -1.0 - Unit V mV mV mA mA mV/ C V Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 C - 10 - Ripple Rejection RR f = 120Hz, IO = 500mA VI = 14V to 24V - 61 - dB Dropout Voltage VD IO = 1A, TJ =+25 C - 2.0 - V Output Resistance RO f = 1KHz - 18 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA TJ=+25 C =+25C * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 17 KA78XX/KA78XXA Electrical Characteristics (KA7812A) (Refer to the test circuits. TJ = 0 to +125 C, Io = 1A, V I = 19V, C I = 0.33F, C O = 0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 11.75 12 12.25 11.5 12 12.5 VI= 14.8V to 30V IO = 500mA - 10 120 VI= 16V to 22V - 4 120 VI= 14.5V to 27V - 10 120 VI= 16V to 22V - 3 60 TJ IO = 5mA to 1.5A - 12 100 IO = 5mA to 1.0A - 12 100 IO = 250mA to 750mA - 5 50 - 5.1 6.0 TJ Output Voltage *Line Regulation VO VO =+25 C IO = 5mA to 1A, PD 15W VI = 14.8V to 27V TJ =+25 C =+25 C *Load Regulation Quiescent Current IQ TJ =+25C Quiescent Current Change Output Voltage Drift IQ V/T Unit V mV mV mA VI = 15V to 30V, TJ=+25 C - 0.5 VI = 14V to 27V, IO = 500mA - 0.8 IO = 5mA to 1.0A - 0.8 IO = 5mA - -1.0 - mV/C mA Output Noise Voltage VN f = 10Hz to 100KHz TA =+25C - 10 - V Ripple Rejection RR f = 120Hz, IO = 500mA VI = 14V to 24V - 60 - dB Dropout Voltage VD IO = 1A, TJ =+25C - 2.0 - V Output Resistance RO f = 1KHz - 18 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA TJ=+25 C =+25 C * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 18 KA78XX/KA78XXA Electrical Characteristics (KA7815A) (Refer to the test circuits. TJ = 0 to +150C, Io =1A, V I=23V, C I = 0.33F, C O=0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 14.7 15 15.3 14.4 15 15.6 VI= 17.9V to 30V IO = 500mA - 10 150 VI= 20V to 26V - 5 150 VI= 17.5V to 30V - 11 150 VI= 20V to 26V - 3 75 TJ IO = 5mA to 1.5A - 12 100 IO = 5mA to 1.0A - 12 100 IO = 250mA to 750mA - 5 50 - 5.2 6.0 TJ Output Voltage *Line Regulation VO VO =+25 C IO = 5mA to 1A, PD 15W VI = 17.7V to 30V TJ =+25C =+25 C *Load Regulation Quiescent Current IQ TJ =+25 C Quiescent Current Change Output Voltage Drift IQ V/T Unit V mV mV mA VI = 17.5V to 30V, TJ =+25 C - - 0.5 VI = 17.5V to 30V, IO = 500mA - - 0.8 IO = 5mA to 1.0A - - 0.8 IO = 5mA - -1.0 - mV/C mA Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 C - 10 - V Ripple Rejection RR f = 120Hz, IO = 500mA VI = 18.5V to 28.5V - 58 - dB Dropout Voltage VD IO = 1A, TJ =+25 C - 2.0 - V Output Resistance RO f = 1KHz - 19 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA TJ=+25 C =+25 C * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 19 KA78XX/KA78XXA Electrical Characteristics (KA7818A) (Refer to the test circuits. TJ = 0 to +150C, Io =1A, V I=27V, C I = 0.33F, C O=0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 17.64 18 18.36 17.3 18 18.7 VI= 21V to 33V IO = 500mA - 15 180 VI= 21V to 33V - 5 180 VI= 20.6V to 33V - 15 180 VI= 24V to 30V - 5 90 TJ IO = 5mA to 1.5A - 15 100 IO = 5mA to 1.0A - 15 100 IO = 250mA to 750mA - 7 50 - 5.2 6.0 TJ Output Voltage *Line Regulation VO VO =+25 C IO = 5mA to 1A, PD 15W VI = 21V to 33V TJ =+25 C =+25C *Load Regulation Quiescent Current IQ TJ =+25 C Quiescent Current Change Output Voltage Drift IQ V/T VI = 21V to 33V, TJ=+25 C - - 0.5 VI = 21V to 33V, IO = 500mA - - 0.8 IO = 5mA to 1.0A - - 0.8 IO = 5mA - -1.0 - Unit V mV mV mA mA mV/ C V Output Noise Voltage VN f = 10Hz to 100KHz TA =+25C - 10 - Ripple Rejection RR f = 120Hz, IO = 500mA VI = 18.5V to 28.5V - 57 - dB Dropout Voltage VD IO = 1A, TJ =+25C - 2.0 - V Output Resistance RO f = 1KHz - 19 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA TJ=+25 C =+25C * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 20 KA78XX/KA78XXA Electrical Characteristics (KA7824A) (Refer to the test circuits. TJ = 0 to +150 C, Io =1A, V I=33V, C I = 0.33F, C O=0.1F, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. 23.5 24 24.5 23 24 25 VI= 27V to 38V IO = 500mA - 18 240 VI= 21V to 33V - 6 240 VI= 26.7V to 38V - 18 240 VI= 30V to 36V - 6 120 TJ IO = 5mA to 1.5A - 15 100 IO = 5mA to 1.0A - 15 100 IO = 250mA to 750mA - 7 50 - 5.2 6.0 TJ Output Voltage *Line Regulation VO VO =+25 C IO = 5mA to 1A, PD 15W VI = 27.3V to 38V TJ =+25 C =+25 C *Load Regulation Quiescent Current IQ TJ =+25 C Quiescent Current Change Output Voltage Drift IQ V/T Unit V mV mV mA VI = 27.3V to 38V, TJ =+25 C - - 0.5 VI = 27.3V to 38V, IO = 500mA - - 0.8 IO = 5mA to 1.0A - - 0.8 IO = 5mA - -1.5 - mV/ C mA Output Noise Voltage VN f = 10Hz to 100KHz TA = 25 C - 10 - V Ripple Rejection RR f = 120Hz, IO = 500mA VI = 18.5V to 28.5V - 54 - dB Dropout Voltage VD IO = 1A, TJ =+25 C - 2.0 - V Output Resistance RO f = 1KHz - 20 - m - 250 - mA - 2.2 - A Short Circuit Current Peak Current ISC IPK VI= 35V, TA TJ=+25 C =+25 C * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 21 KA78XX/KA78XXA Typical Perfomance Characteristics 22 Figure 1. Quiescent Current Figure 2. Peak Output Current Figure 3. Output Voltage Figure 4. Quiescent Current KA78XX/KA78XXA Typical Applications Input Output Figure 5. DC Parameters Input Output Figure 6. Load Regulation Input Output Figure 7. Ripple Rejection Input Output Figure 8. Fixed Output Regulator 23 KA78XX/KA78XXA Output Input Figure 9. Constant Current Regulator Notes: (1) To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and the Output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input ripple voltage. (2) CI is required if regulator is located an appreciable distance from power Supply filter. (3) CO improves stability and transient response. Output Input I RI 5IQ VO = VXX(1+R2/R1)+IQR2 Figure 10. Circuit for Increasing Output Voltage Input Output IRI 5 IQ VO = VXX(1+R2/R1)+IQR2 Figure 11. Adjustable Output Regulator (7 to 30V) 24 KA78XX/KA78XXA Input Output Figure 12. High Current Voltage Regulator Input Output Figure 13. High Output Current with Short Circuit Protection Figure 14. Tracking Voltage Regulator 25 KA78XX/KA78XXA Figure 15. Split Power Supply ( 15V-1A) Output Input Figure 16. Negative Output Voltage Circuit Output Input Figure 17. Switching Regulator 26 KA78XX/KA78XXA Mechanical Dimensions Package TO-220 4.50 0.20 2.80 0.10 (3.00) +0.10 1.30 -0.05 18.95MAX. (3.70) o3.60 0.10 15.90 0.20 1.30 0.10 (8.70) (1.46) 9.20 0.20 (1.70) 9.90 0.20 1.52 0.10 0.80 0.10 2.54TYP [2.54 0.20] 10.08 0.30 (1.00) 13.08 0.20 ) (45 1.27 0.10 +0.10 0.50 -0.05 2.40 0.20 2.54TYP [2.54 0.20] 10.00 0.20 27 KA78XX/KA78XXA Mechancal Dimensions (Continued) Package D-PAK MIN0.55 0.91 0.10 9.50 0.30 0.50 0.10 0.76 0.10 0.50 0.10 1.02 0.20 2.30TYP [2.300.20] (3.05) (2XR0.25) (0.10) 2.70 0.20 6.10 0.20 9.50 0.30 0.76 0.10 28 (1.00) 6.60 0.20 (5.34) (5.04) (1.50) (0.90) 2.30 0.20 (0.70) 2.30TYP [2.300.20] (0.50) 2.30 0.10 0.89 0.10 MAX0.96 (4.34) 2.70 0.20 0.80 0.20 0.60 0.20 (0.50) 6.10 0.20 5.34 0.30 0.70 0.20 6.60 0.20 KA78XX/KA78XXA Ordering Information Product Number Output Voltage Tolerance Package Operating Temperature KA7805 / KA7806 KA7808 / KA7809 KA7810 / KA7811 4% KA7812 / KA7815 KA7818 / KA7824 TO-220 KA7805A / KA7806A KA7808A / KA7809A KA7810A / KA7811A 0 ~ + 125C 2% KA7812A / KA7815A KA7818A / KA7824A KA7805R / KA7806R KA7808R / KA7809R KA7810R / KA7811R 4% D-PAK KA7812R / KA7815R KA7818R / KA7824R 29 KA78XX/KA78XXA LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR INTERNATIONAL. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com 7/13/00 0.0m 001 Stock#DSxxxxxxxx 2000 Fairchild Semiconductor International