NJM2842 データシートの表示（PDF） - Japan Radio Corporation
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NJM2842 Datasheet PDF : 11 Pages
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NJM2842_1.2V
Load Regulation vs. Output Current
0
-10
-20
-30
-40 @:Ta=25oC
Vin=2.2V
Vbias=2.5V
Cin=Co=4.7uF(Ceramic)
Cbias=1uF(Ceramic)
-50
0
250
500
750
1000
Output Current : Io(mA)
1250
1500
NJM2842_1.2V
Quiescent Current v.s. Input Voltage
10
@:Ta=25oC
Vbias=CNT=2.5V
Output is open.
8
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF (Ceramic)
6
4
2
0
0
1
2
3
4
5
6
7
Input Voltage : V IN(V)
NJM2842_1.2V
Dropout Voltage vs. Output Current
0.8
@:Ta=25oC
V bias=2. 5V
0.7
Cin=Co=4.7uF(Ceramic)
Cbias=1uF(Ceramic)
0.6
0.5
0.4
0.3
0.2
0.1
0
0
200
400
600
800
1000
1200
Output Current:Io(mA)
Ver.2011-02-18
NJM2842
NJM2842_1.2V
Peak Output Current vs. Input Voltage
3000
2500
2000
1500
1000
500
@:Ta=25oC
V BIAS=2.5V
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
0
0
1
2
3
4
5
6
7
Input Voltage : V IN(V)
1000
800
600
NJM2842_1.2V
Quiescent Current v.s. Input Voltage
@:Ta=25oC
Vin=2.2V
Vcnt=1.6V
Output is open.
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF (Ceramic)
400
200
0
0
1
2
3
4
5
6
7
Input Voltage : V BIAS(V)
NJM2842_1.2V
Output Noise Voltage vs. Output Current
100
@:Ta=25oC
V IN=2. 2V
80
V BIAS=CNT =2. 5V
Cin=Co=4.7uF
Cbias=0.1uF
60
40
20
0
0.001
0.01
0.1
1
10
100
1000
Output Current : Io(mA)
-7-
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