Internal Block Diagram - Harman Kardon AVR 139/230 Service Manual

harman/kardon
KA78LXXA/KA78L05AA
3-Terminal 0.1A Positive Voltage Regulator
Features
• Maximum Output Current of 100mA
• Output Voltage of 5V, 6V, 8V, 9V,10V, 12V, 15V, 18V and
24V
• Thermal Overload Protection
• Short Circuit Current Limiting
• Output Voltage Offered in ±5% Tolerance

Internal Block Diagram

t
Inpu
V
I
3
©2005 Fairchild Semiconductor Corporation
I
+
REFERENCE VOLTAGE
-
GND
2
Description
The KA78LXXA/KA78L05AA series of fixed voltage
monolithic integrated circuit voltage regulators are suitable
for application that required supply current up to 100mA.
TO-92
SOT-89
2 3
1
1. Output 2. GND 3. Input
8-SOP
8
1
1. Output 2. GND 3. GND 4. NC
5. NC 6. GND 7. GND 8. Input
THERMAL SHUTDOWN
CIRCUIT
SHORT CIRCUIT
PROTECTION
AVR 139-141-142/230 Service Manual
www.fairchildsemi.com
GND
1
2 3
R
SC
t
Outpu
V
0
1
Rev. 1.0.5
Page 47 of 83