NJM2842 Ver la hoja de datos (PDF) - Japan Radio Corporation
Número de pieza
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NJM2842 Datasheet PDF : 11 Pages
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NJM2842
2000
NM2842_1.2V
Short Circuit Current vs.Temperature
1500
1000
500
@:Vin=2.2V
Vbias=Vcont=2.5V
Cin=4.7uF(Ceramic)
Cbias=0.1uF(Ceramic)
Co=4.7uF(Ceramic)
0
-50
0
50
100
150
Temperature Ta(°C)
3.5
3
2.5
2
1.5
1
0.5
0
-0.5 0
NJM2842_1.2V
ON/OFF Transient Response
4
Control Voltage
2
0
@:Ta=25°C
VIN=2.2V
-2
VBIAS=2.5V
Co=4.7uF
-4
Io=30mA
Output Voltage
-6
-8
-10
4
8
12
16
20 -12
Time:t(ms)
NJM2842_1.2V
Line transient Response(Vbias Fixed)
1.32
5
1.30
Input Voltage
4
1.28
3
1.26
2
@:Ta=25°C
1.24
Vcont=VBIAS=2.5V
1
Co=4.7uF
Io=30mA
1.22
Output Voltage
0
1.20
-1
1.18
-2
1.16 0
0.4
0.8
1.2
1.6
2 -3
Time:t(ms)
- 10 -
NJM2842_1.2V
ON/OFF Transient Response Without Load
3.5
4
Control Voltage
3
2
2.5
0
@:Ta=25°C
2
VIN=2.2V
-2
VBIAS=2.5V
1.5
Co=4.7uF
-4
Io=0mA
1
-6
0.5
-8
Output Voltage
0
-10
-0.5
0
2
4
6
Time:t(s)
-12
8
10
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05 0
NJM2842_1.2V
Load transient Response
1500
1000
500
Output Current
0
-500
Output Voltage
@:Ta=25°C
VIN=2.2V
VBIAS=2.5V
Co=4.7uF
Io=500-
-1000
-1500
-2000
40
80
120
160
200 -2500
Time:t(µs)
NJM2842_1.2V
Line transient Response(Vin Fixed)
1.32
6
@:Ta=25°C
1.30
VIN=2.2V
5
Co=4.7uF
Io=30mA
1.28
Input Voltage
4
1.26
3
1.24
2
1.22
1
Output Voltage
1.20
0
1.18
-1
1.16 0
0.4
0.8
1.2
1.6
2 -2
Time:t(ms)
Ver.2011-02-18
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