378R12
Features
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- 3A/12V Output Low Dropout Voltage Regulator TO-220 Full-Mold Package (4Pin) Overcurrent Protection, Thermal Shutdown Overvoltage Protection, Short Circuit Protection With Output Disable Function
Description
The KA378R12 is a low-dropout voltage regulator suitable for various electronic equipments. It provide constant voltage power source with TO-220 4 lead full mold package. Dropout voltage of KA378R12 is below 0.5V in full rated current(3A). This regulator has various function such as peak current protection, thermal shut down, overvoltage protection and output disable function.
TO-220F-4L
1. Vin 2. Vo 3. GND 4. Vdis
Internal Block Diagram
Q1
Vin
Vo
THERMAL SHUTDOWN
OVERVOLTAGE PROTECTION
BANDGAP REFERENCE
+ R1
HIGH / LOW Vdis 4 +
SOA PROTECTION OUTPUT ON / OFF
R2 1.4V
SHORT-CIRCUIT SHORTCIRCUIT PROTECTION
3 GND
Rev. 1.0.3
©2005 Fairchild Semiconductor Corporation
KA378R12
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Absolute Maximum Ratings
Parameter Input Voltage Disable Voltage...
