L1481T-5 데이터 시트보기 (PDF) - Niko Semiconductor
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L1481T-5 Datasheet PDF : 6 Pages
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NIKO-SEM
Low Power-Loss
Voltage Regulators
L1481T-5
TO-220
ABSOLUTE MAXIMUM RATINGS
z Input Supply Voltage, VIN(1)
20V
z On/Off Control Terminal
20V
Voltage, VCTRL(1)
z Power Dissipation
1.4W(No Heat Sink)
15W(Infinite heat sink)
z Junction Temperature(2)
150°C
zOutput Current
2A
(1) All are open except GND and applicable terminals
(2) Overheat protection may operate at 125<=Tj<=150°C.
z Operating Ambient
Temperature Range
z Storage Temperature
Range
z Lead Temperature
(Soldering, 10 Seconds)
-20 to 80 °C
-40 to 150 °C
260 °C
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, TA = 25 °C.)
Parameter
Symbol
Test Conditions
Typical Limits
Output Voltage
VO (3), IOUT = 1A
5
4.90VMin
5.20VMax
Dropout Voltage
Line Regulation
Load Regulation
Temperature coefficient of
output voltage
ON-state voltage for control
ON-state voltage for control
OFF-state voltage for control
OFF-state voltage for control
Quiescent Current
Ripple Rejection Ratio
VD (5)
REG(LINE) (4), IOUT = 5mA
REG(LOAD) (3), 5mA ≤ IOUT ≤ 2A
TCVO
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
IQ
RA
Tj=0 to 125°C, Io=5mA
(3)
VCTRL=2.7V,(3)
(3)
VCTRL=0.4V,(3)
Io=0A,(3)
Refer to Fig.2 Test Circuit of Ripple
Rejection
0.5%
0.1%
0.5V
2.5%
2.0%
±0.02%/°C
2.0V min
20uA Max
0.8V Max
-0.4mA Max
10mA Max
55dB 45dB (Min)
(3) L148T-5:Vin=7V
(4) L148T-5:Vin=6~12V
(5) Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
(6) In case of opening control terminal, output voltage turns on.
2
JUL-15-2002
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