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harman/kardon
GENERAL DESCRIPTION
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
Output Current
High Precision Output Voltage
Low Dropout Voltage
Internal Excessive Voltage Protection Circuit
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
PIN CONFIGURATION
2
1
3
NJM2391DL1
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Input Voltage
Power Dissipation
Operating Temperature
Storage Temperature
OUTPUT VOLTAGE RANK LIST
Device Name
NJM2391DL1-25
NJM2391DL1-26
NJM2391DL1-28
NJM2391DL1-03
NJM2391DL1-33
NJM2391DL1-35
NJM2391DL1-05
LOW DROPOUT VOLTAGE REGULATOR
Io(max.)=1A
Vo±1%
∆ V
I-O
TO-252
PIN FUNCTION
1.V
IN
2.GND
3.V
OUT
SYMBOL
+
V
P
TO-252
D
Topr
Tstg
V
OUT
2.5V
2.6V
2.85V
3.0V
3.3V
3.5V
5.0V
PACKAGE OUTLINE
=1.1V typ. At Io=1A
(Ta=25°C)
RATINGS
UNIT
+10
8 (Tc=25°C)
0.8(Ta≤25°C)
−40 ~ +85
−50 ~ +125
AVR137/230 Service Manual
NJM2391
NJM2391DL1
V
W
°C
°C
Page 59 of 87
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