NJM2870 Просмотр технического описания (PDF) - Japan Radio Corporation
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NJM2870 Datasheet PDF : 4 Pages
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NJM2870
s ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
SYMBOL RATINGS UNIT
Input Voltage
Control Voltage
Power Dissipation
Operating Temperature
Storage Temperature
VIN
VCONT
PD
Topr
Tstg
+14
V
+14(note 1)
V
200
mW
−40 ∼ +85
°C
−40 ∼ +125 °C
(note 1)When input voltage is less than +14V, the absolute maximum
control voltage is equal to the input voltage.
s ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1µF, Co=4.7µF, Cp=0.01µF, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Output Voltage
Quiescent Current
Quiescent Current
at Control OFF
Output Current
Line Regulation
Load Regulation
Dropout Voltage
Ripple Rejection
Average Temperature
Coefficient of Output Voltage
Vo Io=30mA
IQ Io=0mA, expect Icont
−2%
−
IQ(OFF) VCONT=0V
−
Io Vo−0.3V
150
∆Vo/∆VIN VIN=Vo+1V ∼ Vo+6V, Io=30mA
−
∆Vo/∆Io Io=0 ∼ 100mA
−
∆VI-O Io=60mA
−
RR
ein=200mVrms,f=1kHz, Io=10mA
VIN=Vo+2V , Vo=3V Version
−
∆Vo/∆Ta Ta=0∼85°C, Io=10mA
−
−
200
−
200
−
−
0.12
60
0.2
+2% V
300 µA
100 nA
− mA
0.10 %/V
0.03 %/mA
0.2 V
− dB
− mV/°C
Output Noise Voltage
Control Voltage for ON-state
Control Voltage for OFF-state
VNO
f=10Hz∼80kHz, Io=10mA,
Vo=3V Version
VCONT(ON)
VCONT(OFF)
−
30
− µVrms
1.6 −
−
V
−
− 0.6 V
(note 2)Please confirm the specification separately because some parameters depend on output voltage.
s TEST CIRCUIT
A IIN
VIN
+
0.1µF
VIN
VOUT
NJM2870
+
4.7µF
IOUT V VOUT
A ICONT
CONTROL
NOISE
BYPASS
V VCONT
GND
Cp=0.01µF
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