SC1563 データシートの表示（PDF） - Semtech Corporation

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SC1563

Very Low Dropout, Low Quiescent 500mA Regulator

Semtech Corporation 

POWER MANAGEMENT

Block Diagram

SC1563

Pin Descriptions

Pin # Pin Name Pin Function

1

SHDN Shutdown Input. Leaving this pin open turns the regulator off, reducing the quiescent current to a

fraction of its operating value (typically < 300nA). The device will be enabled if this pin is pulled below

0.4V. Connect to GND if not being used.

2

GND Reference ground. This pin may be used for heatsinking purposes.

3

ADJ This pin, when grounded, sets the output voltage to that set by the internal feedback resistors. If

external feedback resistors are used, the output voltage will be (See Application Circuit on page 1):

VOUT

=

1.200

(R1+

R2

R2)

Volts

4

OUT This pin is the power output of this device, sourcing up to 500mA.

5

IN

Input voltage. For regulation at full load, the input to this pin must be between (VOUT + 0.7V) and 6.5V.

Minimum VIN = 2.2V.

 2006 Semtech Corp.

5

www.semtech.com

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