NJM2881 查看數據表（PDF） - Japan Radio Corporation
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NJM2881 Datasheet PDF : 10 Pages
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NJM2881/82
ELECTRICAL CHARACTERISTICS
(Vo≤2.0V version: VIN=Vo+1V, CIN=0.1µF, Co=2.2µF: Vo≥1.9V (Co=4.7µF: Vo≤1.8V), Cp=0.01µF, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
Output Voltage
Vo
Io=30mA
-1.0%
Quiescent Current
IQ
Io=0mA, except ICONT
-
Quiescent Current
at Control OFF
IQ(OFF)
VCONT=0V
-
Output Current
Io
Vo-0.3V
300
Line Regulation
∆Vo/∆VIN VIN=Vo+1V ∼ Vo+6V, Io=30mA
-
Load Regulation
∆Vo/∆Io Io=0 ∼ 300mA
-
Ripple Rejection
RR
ein=200mVrms,f=1kHz,Io=10mA,
Vo=1.8V version
-
Average Temperature
Coefficient of Output Voltage
∆Vo/∆Ta Ta=0 ∼ 85°C, Io=10mA
-
Output Noise Voltage
VNO
f=10Hz ∼ 80kHz, Io=10mA, Vo=1.8V version
-
Control Voltage for ON-state
VCONT(ON)
1.6
Control Voltage for OFF-state
VCONT(OFF)
-
The above specification is a common specification for all output voltages.
Therefore, it may be different from the individual specification for a specific output voltage.
TYP.
-
120
-
400
-
-
80
± 50
20
-
-
MAX.
+1.0%
180
100
-
0.10
0.03
-
UNIT
V
µA
nA
mA
%/V
%/mA
dB
- ppm/°C
-
µVrms
-
V
0.6
V
TEST CIRCUIT
IIN
A
VIN
VIN
VOUT
0.1µF
NJM2881/82
ICONT
A
V VCONT
CONTROL
NOISE
BYPASS
GND
1.0µF *4
(ceramic)
IOUT
VOUT
V
Cp=0.01µF
*4 1.9V ≤ Vo ≤ 2.6V version: Co=2.2µF(ceramic)
Vo ≤ 1.8V version: Co=4.7µF(ceramic)
Ver.2004-12-22
-3-
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