Table of Contents
Advertisement
■ KA78R33
Low Dropout Voltage Regulator
Description
The KA78R33 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 KA78R33 is
below 0.5V in full rated current(1A). This regulator has various function such as peak current protection,
thermal shut down, overvoltage protection and output disable function.
Internal Block Diagram
Vin
1
■ LC72131
AM/FM PLL Frequency Synthesizer
THERMAL SHUTDOWN
BANDGAP REFERENCE
HIGH / LOW
OUTPUT
ON / OFF
4
Vdis
-
+
1.4V
Q1
OVERVOLTAGE
PROTECTION
-
+
SOA PROTECTION
-
CIRCUIT
SHORTCIRCUIT
PROTECTION
3
GND
- 2-39 -
2
Vo
R1
R2
Hide quick links:
Advertisement
Table of Contents
