NIKO-SEM
FEATURES
Low Power-Loss Voltage Regulators
L1481T-5
TO-220
Low power-loss(Dropout voltage:Max.0.5 V@ IO=1A) Line-up for 5V and 9V output type Compact resin package(TO-220 package) High-precision output voltage type (Output voltage precision: ±3.0%) Built-in ON/OFF control function Built-in overcurrent protection, overheat protection, ASO protection circuit Lead forming type is also available.
4.6 ± 10.05MAX. 4-( 0.2 1.2) 2.85 ±
0.2 0.2
0.2
7.6
29.1MAX.
NIKO L1481T-X XXXXXXXX
3.6 ± 3.4 ± 0.2 0.5 Epoxy resin (1.5) 4-(1.15 ± 0.2) 4.5MAX. (0.6) 4-(0.65 ± 0.2) 3-(2.5)
±
APPLICATIONS
1
14.1MIN.
():Typical dimensions
2 3 4
Power supplies for varies electronic equipment such as AV, OA equipment
Internal connection diagram
1 2 1 2 Specific IC 3 4 4 3
DC DC GN ON D
input(Vin) output(Vo) /OFF control terminal(Vc)
TYPICAL APPLICATION
U1 L1481 Vin C1 100uF/25V 1 3 2 4 C2 330uF/16V Vout
ON/OFF signal High or Open: Output ON Low: Output OFF
- Basic Adjustable Regulator Circuit -
15.5
±
1
JUL-15-2002
NIKO-SEM
Low Power-Loss Voltage Regulators
L1481T-5
TO-220
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage, VIN(1) On/Off Control Terminal Voltage, VCTRL(1) Power Dissipation Junction Temperature(2) Output Current
(1) All are open except GND and applicable terminals (2) Overheat protection may operate at 125
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