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Fairchild - Low Dropout Voltage Regulator

Numéro de référence KA78RM33
Description Low Dropout Voltage Regulator
Fabricant Fairchild 
Logo Fairchild 





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KA78RM33 fiche technique
KA78RM33
Low Dropout Voltage Regulator
www.fairchildsemi.com
Features
• 0.5A / 3.3V Output low dropout voltage regulator
• Low dropout voltage (Max. 0.6V)
• Over current protection, Thermal shutdown
• SOA protection, Shortcircuit protection
Description
The KA78RM33 is a low-dropout voltage regulator suitable
for various electronic equipment. It provide constant voltage
power source with surface mount type package (D-PAK).
dropout voltage of KA78RM33 is below 0.6V in full rated
current(0.5A). This regulator has various function such as
over current protection, thermal shut down and SOA (Safe
operating Area) protection.
D-PAK
1
TO-220
Internal Block Digram
Vin 1
Current
Generator
Bandgap
Reference
Thermal
Shutdown
Protection
Short Circuit
Protection
Error
Amp.
1
1. Vin 2. GND 3. Vout
SOA
Protection
Q1 3 Vout
Output
Drive
R1
GND 23
©2001 Fairchild Semiconductor Corporation
R2
Rev. 1.0.1

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