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
TYPICAL CHARACTERICTICS
NJM2842_1.2V
Output Voltage vs. Input Voltage
1.5
1.4
1.3
Io=0A
@:Ta=25oC
V BIAS=CNT =2. 5V
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
1.2
1.1
Io=100mA
1
Io=500mA
0.9
Io=800mA
0.8
Io=1000mA
0.7
0.8
1
1.2
1.4
1.6
1.8
2
2.2
Input Voltage : V IN(V)
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
NJM2842_1.2V
Output Voltage vs. Output Current
25˚ C
150˚ C
-50˚ C
@:Vin=2.2V
Vbias=Vcont=2.5V
Cin=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
Co=4.7uF(Ceramic)
500
1000
1500
2000
Output Current:Io(mA)
2500
NJM2842_1.2V
Control Current vs. Control Voltage
20
@:Ta=25oC
V IN=2. 2V
V BIAS=2.5V
Cin=Co=4.7uF(Ceramic)
15
Cbias=0.1uF(Ceramic)
Io=0mA
Rc=0Ω
10
Rc=50k Ω
5
Rc=100k Ω
0
0
0.5
1
1.5
2
2.5
3
Control Voltage : Vcont(V)
-6-
NJM2842_1.2V
Output Voltage vs. Input Voltage
1.5
1
Io=0A
0.5
0
0
@:Ta=25oC
V IN=2. 2V
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
0.5
1
1.5
2
2.5
3
Input Voltage : V BIAS(V)
NJM2842_1.2V
Ground Pin Current vs. Output Current
1
@:Ta=25oC
V IN=2. 2V
CNT=Vbias=2.5V
0.8
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
0.6
0.4
0.2
0
0
200
400
600
800
1000
1200
Output Current : Io(mA)
NJM2842_1.2V
Output Voltage vs. Control Voltage
1.5
Rc=0Ω
1
Rc=50k Ω
0.5
0
0
Rc=100k Ω
@:Ta=25oC
V IN=2. 2V
V BIAS=2.5V
Cin=Co=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
Io=0mA
0.5
1
1.5
2
2.5
3
Control Voltage : Vcont(V)
Ver.2011-02-18
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