SC1540 Просмотр технического описания (PDF) - Semtech Corporation
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SC1540 Datasheet PDF : 4 Pages
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PRELIMINARY - May 1, 2000
TYPICAL APPLICATION
300mA AND 500mA LOW DROPOUT
VOLTAGE REGULATORS WITH ENABLE
SC1540
SC1540A
VIN
ENABLE SIGNAL
U1 SC1540(A)
VIN
VO
EN GND
C1
10uF
Tantalum
VOUT
C2
10uF min.
Tantalum
NOTES
(1) Input and output capacitors should be located close to the device.
(2) Connect all pins to PCB for optimal thermal characteristics.
(3) Increasing the output capacitor value will improve the overall transient response.
(4) The device is enabled when EN = VIN, and shut down when EN is pulled to ground. EN should not be taken
higher than VIN. A CMOS signal referenced to VIN would be ideal for switching the SC1540(A) on and off.
© 2000 SEMTECH CORP.
3
652 MITCHELL ROAD NEWBURY PARK CA 91320
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