NJM2805 New Japan Radio, NJM2805 Datasheet

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NJM2805

Manufacturer Part Number
NJM2805
Description
Low Dropout Voltage Regulator
Manufacturer
New Japan Radio
Datasheet
www.DataSheet4U.com
! GENERAL DISCRIPTION
function.
monitors output voltage of the regulator with 1% accuracy.
controller and other logic chips.
! FEATURES
! OUTPUT VOLTAGE/ DETECTION VOLTAGE
! EQUIVALENT CIRCUIT
Ver.2004-01-19
The NJM2805 is a low dropout voltage regulator with reset
It provides up to 300mA of logic supply, and the reset function
NJM2805U2923
NJM2805U3329
NJM2805U0543
It is suitable for local power supply and reset for small micro
Device Name
" Internal Short Circuit Current Limit
" Output Voltage Accuracy
" Reset Voltage Accuracy
" Reset Hold Time
" Ripple Rejection
" Quiescent Current
" Output Voltage Monitor type
" Open Collector Output
" Internal Thermal Overload Protection
" Bipolar Technology
" Package Outline
GND
V
V
OR
IN
V
2.9V
3.3V
5.0V
Low Dropout Voltage Regulator with Reset
OUT
V
2.3V
2.9V
4.3V
Cd
DET
Vo 1.0%
V
td = 10mS 1.0mS
70dB typ. (f =1kHz)
I
SOT-89 -5
Q
RT
= 250 A (typ.)
1.0%
Reference
Bandgap
! PIN CONFIGURATION
! PACKAGE OUTLINE
NJM2805U
Thermal
Protection
NJM2805U
5
1
2
2
4
3
NJM2805
PIN FUNCTION
1.V
2.GND
3.Cd
4.V
5.V
OUT
OR
IN
V
OUT
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NJM2805 Summary of contents

Page 1

... Low Dropout Voltage Regulator with Reset ! GENERAL DISCRIPTION The NJM2805 is a low dropout voltage regulator with reset function. It provides up to 300mA of logic supply, and the reset function monitors output voltage of the regulator with 1% accuracy suitable for local power supply and reset for small micro controller and other logic chips ...

Page 2

... NJM2805 ! ABSOLUTE MAXIMUM RATINGS PARAMETER Input Voltage Power Dissipation Operating Temperature Storage Temperature ! ELECTRICAL CHARACTERISTICS (V =Vo+1V, C =0.1 F, Co=1 F Co=2 2.6V Ta= PARAMETER SYMBOL Quiescent Current Regulator Block Output Voltage Output Current Line Regulation ∆Vo/∆V Load Regulation ∆Vo/∆Io Dropout Voltage Ripple Rejection Output Voltage ∆ ...

Page 3

... TIMING CHART RTH [ When the pull-up of the V OR Ver.2004-01- carried out to V through resistance. IN NJM2805 ...

Page 4

... NJM2805 ! TEST CIRCUIT TYPICAL APPLICATIONS V IN 0 NJM2805 GND NJM2805 GND 1 OUT OUT OUT 1.0 F 100k V OR Ver.2004-01-19 ...

Page 5

... Ver.2004-01-19 NJM2805 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights ...

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