EH
Semiconductor
A78RxxPIC
LDO Fixed Regulator IC
Description
The A78Rxx Series is a low dropout voltage regulator sui...
EH
Semiconductor
A78RxxPIC
LDO Fixed
Regulator IC
Description
The A78Rxx Series is a low dropout voltage
regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220F-4SL lead full-mold package. Dropout voltage of A78Rxx Series is below Max .0.5V in full rated current (1A). This
regulator has various functions such as current limit protection, over voltage protection and output on/off control.
Features
1A output low dropout
regulator TO-220F-4SL full-mold package (4pin) Current limit protection Over voltage protection Thermal Shutdown Protection With output on/off control (At typical 1.5V) Control pin open or high signal, output on
Pin Connection
1. INPUT 2. OUTPUT 3. GROUND 1 4. ON/OFF CONTROL
Ordering Information
Type NO.
A78RxxPIC
Marking
A78RxxPI xx: Voltage (3.3V=33, 5.0V=05, 8.0V=08, 9.0V=09)
Package Code
TO-220F-4SL
Device Selection Guide
Device
A78R33PIC A78R05PIC A78R08PIC A78R09PIC
Output Voltage
3.3V 5.0V 8.0V 9.0V
KSD-I0S002-001
1
Block Diagram
A78RxxPIC
Absolute Maximum Ratings
Characteristic
Input Voltage Control Input Voltage
Power Dissipation
Junction Temperature Operating Temperature Range Storage Temperature Range
Symbol
VI VCT PD1(No Heatsink) PD2(With Heatsink) TJ Topr Tstg
Rating
18 18 2.0 20 150 -20 ~ 80 -55 ~ 150
KSD-I0S002-001
[Ta=25℃]
Unit
V V W W °C °C °C
2
Electrical Characteristics
(VI = VO+2V, Io = 500mA, VCT(High)=2.7V, Ta = 25°C, unless otherwise specified)
Elect...