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KA78R05C Просмотр технического описания (PDF) - Fairchild Semiconductor

Номер в каталогеКомпоненты Описаниепроизводитель
KA78R05C 1A Output Low Dropout Voltage Regulators Fairchild
Fairchild Semiconductor Fairchild
KA78R05C Datasheet PDF : 20 Pages
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www.fairchildsemi.com
KA78RXXC-Series
1A Output Low Dropout Voltage Regulators
Features
• 1A/3.3V, 5V, 8V, 9V, 12V, 15V 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 KA78RXXC is a low-dropout voltage regulator suitable
for various electronic equipments.
It provides constant voltage power source with TO-220-4
lead full mold package. Dropout voltage of KA78RXXC is
below 0.5V in full rated current(1A).
This regulator has various functions such as peak current
protection, thermal shut down, overvoltage protection and
output disable function.
TO-220F-4L
Internal Block Diagram
Vin 1
THERMAL SHUTDOWN
BANDGAP REFERENCE
HIGH / LOW
Vdis 4
-
+
OUTPUT
ON / OFF
1.4V
1
1. Vin 2. VO 3. GND 4. Vdis
OVERVOLTAGE
PROTECTION
-
+
SOA PROTECTION
Q1
R1
R2
SHSOHORRT-TCCIIRCUUIITT
PROTECTION
2 Vo
3
GND
©2003 Fairchild Semiconductor Corporation
Rev. 1.0.0
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