Harman Kardon AVR 139 (serv.man4) Service Manual ▷ View online
NJM2391
PIN FUNCTION
1.V
1.V
IN
2.GND
3.V
3.V
OUT
NJM2391DL1
LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
PACKAGE OUTLINE
The NJM2391 is low dropout voltage regulators
featuring high precision voltage.
It is suitable for Notebook PCs, PC cards and hard
disks where 3.3V need to be generated from 5V supply.
A small TO-252 package is adopted for the space
saving.
FEATURES
z
Output Current
Io(max.)=1A
z
High Precision Output Voltage
Vo
±
1%
z
Low Dropout Voltage
∆
V
I-O
=1.1V typ. At Io=1A
z
Internal Excessive Voltage Protection Circuit
z
Internal Short Circuit Current Limit
z
Internal Thermal Overload Protection
z
Bipolar Technology
z
Package Outline
TO-252
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
(Ta=25
°
C)
PARAMETER SYMBOL RATINGS UNIT
Input Voltage
V
+
+10 V
Power Dissipation
P
D
TO-252
8 (Tc=25
°
C)
0.8(Ta
≤
25
°
C)
W
Operating Temperature
Topr
−
40 ~ +85
°
C
Storage Temperature
Tstg
−
50 ~ +125
°
C
OUTPUT VOLTAGE RANK LIST
Device Name
V
OUT
NJM2391DL1-25 2.5V
NJM2391DL1-26 2.6V
NJM2391DL1-28 2.85V
NJM2391DL1-03 3.0V
NJM2391DL1-33 3.3V
NJM2391DL1-35 3.5V
NJM2391DL1-05 5.0V
NJM2391DL1-26 2.6V
NJM2391DL1-28 2.85V
NJM2391DL1-03 3.0V
NJM2391DL1-33 3.3V
NJM2391DL1-35 3.5V
NJM2391DL1-05 5.0V
NJM2391DL1
3
1
2
harman/kardon
AVR 139-141-142/230 Service Manual
Page 57 of 83
harman/kardon
AVR 139-141-142/230 Service Manual
Page 58 of 83
R
×
5VT
5
•
TO-92
PIN CONFIGURATION
•
SOT-89
•
SOT-23-5
PIN DESCRIPTION
•
TO-92
•
SOT-89
•
SOT-23-5
Pin No.
Symbol
1
OUT
2
V
DD
3
GND
4
NC
5
NC
Pin No.
Symbol
1
OUT
2
V
DD
3
GND
Pin No.
Symbol
1
OUT
2
V
DD
3
GND
1
2
3
(mark side)
1
2
3
(mark side)
1
2
3
(mark side)
5
4
harman/kardon
AVR 139-141-142/230 Service Manual
Page 59 of 83
harman/kardon
AVR 139-141-142/230 Service Manual
Page 60 of 83
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