TIGER ELECTRONIC CO.,LTD
1 A Low Dropout Voltage Regulator With ON/OFF Control
K IA78RXX
D ESCRIPTIONS ：
T he K IA78RXX i s a low drop voltage regulator suitable for various electronic equip ment. The output current is up to 1.0A and dropout voltage is 0.5V typ. at Io=1.0A. This regulator has various function such as peak current protection, ther mal shut down, over voltage protection and output disable function. The K IA78RXX i s a v a i l a b l e i n T O - 2 5 2 - 5 L 、 TO-220F-4 power package.
F EATURE S 1 .0A ou tput low drop voltage regu lato r. B uilt in ON/OFF control terminal. B uilt in over current protection, over heat protection function.
B LOCK DIAGRAM
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P IN CONF IGUR ATI ON ：
PIN FUNCTION 1. VIN 2. GND 3. VOUT 4. NC 5. ON/OFF CONTROL
O RDERI N G INFOR MATION ：
P ackage Marking K IA78R 25 FXX K IA78R 33 FXX K IA78R 05 FXX K IA78R 06 FXX K IA78R 08 FXX K IA78R 09 FXX K IA78R 10 FXX K IA78R 12 FXX K IA78R 15 FXX K IA78R 25 API K IA78R 33 API K IA78R 05 API K IA78R 06 API K IA78R 08 API K IA78R 09 API K IA78R 10 API K IA78R 12 API K IA78R 15 API
Output Vo ltage 2 .5V 3 .3 V 5 .0V 6 .0V 8 .0V 9 .0 V 1 0.0V 1 2.0V 1 5.0V 2 .5V 3 .3 V 5 .0V 6 .0V 8 .0V 9 .0 V 1 0.0V 1 2.0V 1 5.0V
Package Type
TO-252-5L TO-252-5L TO-252-5L TO-252-5L TO-252-5L TO-252-5L TO-252-5L TO-252-5L TO-252-5L
TO-220F-4 TO-220F-4 TO-220F-4 TO-220F-4 TO-220F-4 TO-220F-4 TO-220F-4 TO-220F-4 TO-220F-4
A BSOLUTE MAXIMUM RATINGS ( Ta=25 ° C)
Characteristic I nput Voltage O N/OF F Control Vo latge Value 35 35 Unit V V
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O utput Current P ower Dissipation 1 (no heatsink ) T O-252-5L P ower Dissipation 2 (with heatsink) TO-220F-4 J unction Temp erature O perating Te mperature S torage Temperature S oldering Te mperature (10sec) 15 125 -20 ～ 8 0 -30 ～ 1 25 260 °C °C °C °C 1 1.5 10 W A W
E LECTRICAL CHARACTERISTICS
( unless otherwise specified: Io=0.5A,Ta=25 ° C) Characteristics Output Vo ltage L oad regulation L ine regulation Te mperature coefficient of output voltage Ripple rejection D rop out vo ltage O utput ON state voltage O utput ON state current O utput OFF control voltage O utput OFF control current for control for control state state for for Symbol V out R load R line TcVo R.R VD VC(ON) IC(ON) VC(OFF) IC(OFF) IQ V c=0.4Vo N ote1,Io=0 V c=2.7V
Io=1A,Note3
Test conditions N ote1 I o=5 mA ～ 2 A N ote2
T j = 0 ～ 12 5 ° C
Min
- 2 % Vo
Typ
Max 2 %Vo
Unit V % % %/ ℃ dB
0.1 0.5 ± 0.02 45 55
2.0 2.5 ±0.05
0 .5 2 .0 20 0 .8 -0.4 10
V V µA V mA mA
Q uiescent cu rrent
N ote:
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KIA78RXX
N ote1 Note2 Vin=3.5~ 9.5V Vin=4.3~ 1 0.3V Vin=6~1 2V Vin=7~1 5V Vin=9~2 5V Vin=10~ 25 V Vin=11~ 26 V Vin=13~ 29 V Vin=16~ 32 V Note3 V out=0.9 5 Vo
K IA78R 25 K IA78R 33 K IA78R 05 K IA78R 06 K IA78R 08 K IA78R 09 K IA78R 10 K IA78R 12 K IA78R 15
V IN=4.5V V in=5.0V V in=7.0V V in=8.0V V in=10V V in=15V V in=16V V in=18V V in=21V
T EST CIRCUIT Standard Test Circuit
KIA78RXX
R ipple Rejection Test Circuit
KIA78RXX
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KIA78RXX
A PPLICATION CIRCUIT
T O-252-5L ：
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KIA78RXX
O UTLINE DRAWING
T O220F-4L
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KIA78RXX
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