Harman Kardon AVR 151/230C Service Manual

NJM2845/46
-1-
Ver.2005-01-20
LOW DROPOUT VOLTAGE REGULATOR
 GENERAL DESCRIPTION  PACKAGE OUTLINE
The NJM2845 is low dropout voltage regulator. Advanced
Bipolar technology achieves low noise, high ripple rejection
and low quiescent current.
NJM2845 is 3 terminal type and NJM2846 is ON/OFF control
built in type. These product can be selected according to the
applications.
 FEATURES
z High Ripple Rejection 75dB typ. (f=1kHz,3V Version)
z Output Noise Voltage Vno=45μVrms typ. (Vo=3V Version)
z Output capacitor with 2.2μF ceramic capacitor (Vo≥2.6V)
z Output Current Io(max.)=800mA
z High Precision Output Vo ±1.0%
z Low Dropout Voltage 0.18V typ. (Io=500mA)
z ON/OFF Control (NJM2846)
z Internal Short Circuit Current Limit
z Internal Thermal Overload Protection
z Bipolar Technology
z Package Outline TO-252-3 (NJM2845DL1), TO-252-5 (NJM2846DL3)
 PIN CONFIGURATION
NJM2845DL1 NJM2846DL3
 EQUIVALENT CIRCUIT
V OUT
Thermal
Protection
Bandgap
Reference
V IN
GND
V
OUT
Thermal
Protection
Bandgap
Reference
V
IN
Control
GND
1.V
IN
2.GND
3.V
OUT
3
1
2
1.CONTROL
2.V
IN
3.GND
4.Vo
5.NC
NJM2845DL1
NJM2
8
46DL3
NJM2845DL1
NJM2846DL3
12
3
4
5
3
Harman Kardon
A
VR 151 Service Manual
Page 90 of 131

Harman Kardon AVR 151/230C Specifications

General

Brand	Harman Kardon
Model	AVR 151/230C
Category	Receiver
Language	English