KA78XX/KA78XXA
2
Absolute Maximum Ratings
Electri cal Cha r acteristi cs (KA7805/KA7805R )
(Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI = 10V, CI= 0.33µF, CO= 0.1µF, unless otherwise specified)
• 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.
Parameter Symbol Value Unit
Input Voltage (for VO = 5V to 18V)
(for VO = 24V) VI
VI35
40 V
V
Thermal Resistance Junction-Cases RθJC 5°C/W
Thermal Resistance Junction-Air RθJA 65 °C/W
Operating Temperature Range (KA78XX/A/R) TOPR 0 ~ +125 °C
Storage Temperature Range TSTG -65 ~ +150 °C
Parameter Symbol Conditions KA7805 Unit
Min. Typ. Max.
Output Voltage VO
TJ =+25 oC4.85.05.2
5.0mA ≤Io ≤1.0A, P O ≤15W
VI = 7V to 20V
VI = 8V to 20V 4.75 5.0 5.25 V
Line Regulation ∆VOTJ=+25 oCVO = 7V to 25V - 4.0 100 mV
VI = 8V to 12V - 1.6 50
Load Regulation ∆VOTJ=+25 oCIO = 5.0mA to1.5A - 9 100 mV
IO =250mA to 750mA - 4 50
Quiescent Current IQTJ =+25 oC-5.08mA
Quiescent Current Change ∆IQIO = 5mA to 1.0A - 0.03 0.5 mA
VI= 7V to 25V - 0.3 1.3
Output Voltage Drift ∆VO/∆TI
O= 5mA - -0.8 - mV/ oC
Output Noise Voltage VNf = 10Hz to 100KHz, TA=+25 oC-42-µV
Ripple Rejection RR f = 120Hz
VO = 8V to 18V 62 73 - dB
Dropout Voltage VOIO = 1A, TJ =+25 oC-2-V
Output Resistance ROf = 1KHz - 15 - mΩ
Short Circuit Current ISC VI = 35V, TA =+25 oC - 230 - mA
Peak Current IPK TJ =+25 oC-2.2-A