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NJW4185 Datasheet(PDF) 3 Page - New Japan Radio

Part # NJW4185
Description  High Voltage Io=500mA Low Dropout Regulator
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJW4185 Datasheet(HTML) 3 Page - New Japan Radio

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NJW4185
- 3 -
Ver.2013-04-17
ELECTRICAL CHARACTERISTICS
Unless otherwise noted, VO≥3.0V: VIN=VO+1V, CIN=1.0µF, CO=2.2µF, Ta=25°C
VO<3.0V: VIN=4.0V, CIN=1.0µF,Co=4.7µF, Ta=25°C
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Output Voltage
VO
IO =30mA
-1.0%
-
+1.0%
V
Quiescent Current
IQ
IO =0mA, except ICONT
-
55
90
µA
Quiescent Current
at Control OFF
IQ(OFF)
VCONT=0V
-
-
1
µA
Output Current
IO
VO × 0.9
500
-
-
mA
Line Regulation
∆VO/∆VIN
VIN = VO+1V to 40V, IO=30mA (VO≥3V)
VIN = 4V to 40V, IO=30mA (VO<3V)
-
-
0.03
%/V
Load Regulation
∆VO/∆IO
IO=0mA to 500mA
-
-
0.006
%/mA
VO=3.3V
-
62
-
VO=5.0V
-
60
-
VO=8.0V
-
55
-
Ripple Rejection
RR
VIN = VO+1V ,ein=200mVrms,
f=1kHz, IO =10mA
VO=15V
-
50
-
dB
Dropout Voltage(*3)
∆VIO
IO=300mA
-
0.27
0.42
V
Average Temperature
Coefficient of Output Voltage
∆VO/∆Ta
Ta=0 to 85
°C, IO =30mA
-
±50
-
ppm/
°C
Control Current
ICONT
VCONT=1.6V
-
1
3
µA
Control Voltage for ON-state
VCONT(ON)
1.6
-
-
V
Control Voltage for OFF-state
VCONT(OFF)
-
-
0.6
V
(*3):The output voltage excludes under 3.8V
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.
POWER DISSIPATION vs. AMBIENT TEMPERATURE
NJW4185DL3 PowerDissipation
(Topr=-40~+85°C,Tj=150°C)
0
500
1000
1500
2000
2500
3000
3500
-50
-25
0
25
50
75
100
125
150
Temperature : Ta(°C)
on 4 layers board
on 2 layers board


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