NJM2842 Ver la hoja de datos (PDF) - Japan Radio Corporation
Número de pieza
componentes Descripción
Lista de partido
NJM2842 Datasheet PDF : 11 Pages
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NJM2842
NJM2842_1.2V
Ripple Rejection Ratio v.s. Frequency
120
100
Io=0mA Io=10mA
Io=500mA
Io=100mA
Io=1000mA
80
60 @:Ta=25oC
Cin=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
Co=4.7uF(Ceramic)
V IN=2. 2V
40
V BIAS=3.5V
ebias=200m Vrms
10
100
1K
10K
Frequency : f (Hz)
100K
NJM2842_1.2V
Ripple Rejection(Vin-Vout) vs. Output Current
100
90
f=1KHz
80
70
f=10KHz
60
50
@:Ta=25oC
40
V IN=2. 2V
V BIAS=2.5V
ein=200mVrms
30
Cin=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
Co=4.7uF(Ceramic)
20
0.001
0.01
0.1
1
10
100
1000
Output Current : Io(mA)
NJM2842_1.2V
Control Voltage vs.Temperature
2
1.5
1
@:Vin=2.2V
0.5 Vbias=2.5V
Io=30mA
Cin=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
Co=4.7uF(Ceramic)
0
-50
0
50
100
150
Temperature Ta(°C)
-8-
NJM2842_1.2V
Ripple Rejection(Vbias-Vout) vs. Output Current
100
90
f=1KHz
80
70
60
50
@:Ta=25oC
V IN=2. 2V
40
V BIAS=3.5V
ein=200mVrms
Cin=0.1uF(Ceramic)
30
Cbias=4.7uF(Ceramic)
Co=4.7uF(Ceramic)
f=10KHz
20
0.001
0.01
0.1
1
10
100
Output Current : Io(mA)
1000
NJM2842_1.2V
Equivalent Serise Resistance vs. Output Current
100
@:Cbias=0.1uF(Ceramic)
Cin=4.7uF(Ceramic)
Co=4.7uF(Ceramic)
V IN=1. 3V-5.5V
V BIAS=2.5V-5.5V
10
STABLE REGION
1
0.1
0.01
0.001
0.01
0.1
1
10
100
103
Output Current : Io(mA)
1.25
NJM2842_1.2V
Output Voltage vs.Temperature
1.225
1.2
1.175
1.15
-50
@:Vbias=Vcont=2.5V
Vin=2.2V
Io=30mA
Cin=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
Co=4.7uF(Ceramic)
0
50
100
150
Temperature Ta(°C)
Ver.2011-02-18
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