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SC1565 Datasheet(PDF) 4 Page - Semtech Corporation

Part No. SC1565
Description  VERY LOW DROPOUT 1.5 AMP REGULATOR WITH ENABLE
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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SC1565 Datasheet(HTML) 4 Page - Semtech Corporation

 
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© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
VERY LOW DROPOUT 1.5 AMP
REGULATOR WITH ENABLE
SC1565
October 3, 2000
4
PIN DESCRIPTIONS
Pin Name
Pin Functiom
ADJ
This pin, when grounded, sets the output voltage to that set by the internal feedback resistors. If ex-
ternal feedback resistors are used, the output voltage will be (See Application Circuit):
EN
Enable Input. Pulling this pin below 0.4V turns the regulator off, reducing the quiescent current to a
fraction of its operating value. The device will be enabled if this pin is left open. Connect to VIN if not
being used.
GND
Reference ground. Use all four pins on the SO-8 device for heatsinking. Use the tab on the TO-220
devices for heatsinking.
VIN
Input voltage. For regulation at full load, the input to this pin must be between (VO + 0.7V) and 5.5V.
Minimum VIN = 2.2V.
VO
This pin is the power output of the device.
Volts
R2
R2)
(R1
1.200
VO
+
=
*
*
BLOCK DIAGRAM
* Not on 3-lead TO-220


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