DOWNLOAD Harman Kardon AVR 151S Service Manual ↓ Size: 8.54 MB | Pages: 127 in PDF or view online for FREE

Model
AVR 151S
Pages
127
Size
8.54 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
avr-151s.pdf
Date

Harman Kardon AVR 151S Service Manual ▷ View online

Harman Kardon
Page 89 of 131
 
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=45
μVrms typ. (Vo=3V Version) 
z
 Output capacitor with 2.2
μF 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
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
NJM2846DL3
NJM2845DL1 
NJM2846DL3
1 2 3 4 5
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Page 90 of 131
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Page 91 of 131
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Page 92 of 131
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