L1481T-5 L1481 JUL-15-2002 L148T-5

L1481T-5 Low Power-Loss Voltage Regulators TO-220 FEATURES Low power-loss(Dropout voltage:Max.0.5 V@ IO=1A) Line-up for 5V and 9V

NIKO-SEM L1481T-5 L1481T-5 Low Power-Loss Voltage Regulators TO-220 FEATURES 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 ± 1 0 . 0 5 M A X . 1 . 2 ) 0 . 2 2 . 8 5 ± 0 . 2 7 . 6 ± 3 . 6 ± 0 . 2 0 . 2 4 - ( 3 . 4 ± 0 . 5 0 . 2 ± E p o x y r e s i n 1 5 . 5 2 9 . 1 M A X . N I K O L 1 4 8 1 T - X X X X X X X X X 1 4 . 1 M I N . 0 . 2 ) 4 - ( 0 . 6 5 ± 4 . 5 M A X . ( 1 . 5 ) 4 - ( 1 . 1 5 ± 0 . 2 ) ( 0 . 6 ) 3 - ( 2 . 5 ) APPLICATIONS ( ) : T y p i c a l d i m e n s i o n s 1 2 3 4 I n t e r n a l c o n n e c t i o n d i a g r a m Power supplies for varies electronic equipment such as AV, OA equipment 1 2 1 2 S p e c i f i c I C 3 4 4 D C D C G N O N i n p u t ( V i n ) o u t p u t ( V o ) D / O F F c o n t r o l t e r m i n a l ( V c ) 3 TYPICAL APPLICATION U1 L1481 L1481 Vin C1 Vout 2 3 1 C2 4 330uF/16V 100uF/25V ON/OFF signal High or Open: Output ON Low: Output OFF - Basic Adjustable Regulator Circuit - 1 JUL-15-2002 JUL-15-2002 NIKO-SEM L1481T-5 L1481T-5 Low Power-Loss Voltage Regulators TO-220 ABSOLUTE MAXIMUM RATINGS Input Supply Voltage, VIN(1) On/Off Control Terminal Voltage, VCTRL(1) Power Dissipation 20V 20V Operating Ambient Temperature Range 1.4W(No Heat Sink) Storage Temperature Range Lead Temperature (Soldering, 10 Seconds) 15W(Infinite heat sink) Junction Temperature(2) 150°C Output Current -20 to 80 °C -40 to 150 °C 260 °C 2A (1) All are open except GND and applicable terminals (2) Overheat protection may operate at 125