NJM2389 Просмотр технического описания (PDF) - Japan Radio Corporation
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NJM2389 Datasheet PDF : 10 Pages
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NJM2387/89
NJM2389
ELECTRICAL CHARACTERISTICS (VIN=15V, VO=10V, Io=0.5A, R1=1kΩ, CIN=0.33µF, Co=22µF, Ta=25°C)
Measurement is to be conducted is pulse testing.
PARAMETER
SYMBOL
CONDITIONS
MIN. TYP. MAX. UNIT
Input Voltage
Output Voltage
Reference Voltage
Line Regulation
Load Regulation
Average Temperature
Coefficient of Output Voltage
Quiescent Current
Dropout Voltage
Ripple Rejection
VIN
VOUT
Vref
∆Vo/∆VIN
∆Vo/∆Io
∆Vo/∆T
IQ
∆VI-O
RR
-
-
-
VIN=VO+1V ∼ VO+17V
VIN=VO+2V,Io=0A ∼ 1.0A
Tj=0 ∼ +125°C
Io=0A
Io=0.5A
Vin=Vo+2V, ein=0.5Vrms
ein=0.5Vrms, f=120Hz
3.8
1.5
1.235
-
-
-
-
-
52
-
-
1.26
0.04
0.2
± 0.02
-
0.2
65
35
20
1.285
0.16
1.4
-
5
0.5
-
V
V
V
%/V
%/A
%/°C
mA
V
dB
THERMAL CHARACTERISTICS
Thermal Resistance
Junction-to-Ambient Temperature
Junction to case
θja
θjc
60
5
°C/W
POWER DISSIPATION vs. AMBIENT TEMPERATURE
NJM2389F
(Topr=-40~+85°C,Tj=+150°C,PD=18W(TC<50°C))
20
18
16
Infinuit Heat Sink
14
12
10
8
6
4
Without Heat Sink
2
0
-50
-25
0
25
50
75
100
Ambient Temperature Ta(°C)
-4-
Ver.2004-12-22
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