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NJM2842 Datasheet(PDF) 7 Page - New Japan Radio

Part # NJM2842
Description  Very Low Output Low Dropout Regulator
PDF  11 Pages
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJM2842 Datasheet(HTML) 7 Page - New Japan Radio

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NJM2842
- 7 -
Ver.2011-02-18
-50
-40
-30
-20
-10
0
0
250
500
750
1000
1250
1500
Output Current : Io(mA)
NJM2842_1.2V
Load Regulation vs. Output Current
@:Ta=25
o
C
Vin=2.2V
Vbias=2.5V
Cin=Co=4.7uF(Ceramic)
Cbias=1uF(Ceramic)
0
500
1000
1500
2000
2500
3000
01
23
45
67
NJM2842_1.2V
Peak Output Current vs. Input Voltage
@:Ta=25
o
C
VBIAS=2.5V
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
Input Voltage : V IN(V)
0
2
4
6
8
10
0
1
23
45
67
NJM2842_1.2V
Quiescent Current v.s. Input Voltage
@:Ta=25
o
C
Vbias=CNT=2.5V
Output is open.
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF
(Ceramic)
Input Voltage : V IN(V)
0
200
400
600
800
1000
01
2
3
45
6
7
NJM2842_1.2V
Quiescent Current v.s. Input Voltage
@:Ta=25
o
C
Vin=2.2V
Vcnt=1.6V
Output is open.
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF
(Ceramic)
Input Voltage : V BIAS(V)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
200
400
600
800
1000
1200
Output Current:Io(mA)
@:Ta=25
o
C
Vbias=2.5V
Cin=Co=4.7uF(Ceramic)
Cbias=1uF(Ceramic)
NJM2842_1.2V
Dropout Voltage vs. Output Current
0
20
40
60
80
100
0.001
0.01
0.1
1
10
100
1000
Output Current : Io(mA)
NJM2842_1.2V
Output Noise Voltage vs. Output Current
@:Ta=25
o
C
VIN=2.2V
VBIAS=CNT=2.5V
Cin=Co=4.7uF
Cbias=0.1uF



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