SC2542EVB Ver la hoja de datos (PDF) - Semtech Corporation

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SC2542EVB

High Performance Wide Input Range Dual Synchronous Buck Controller

Semtech Corporation 

SC2542

POWER MANAGEMENT

Pin Descriptions (Cont.)

Pin #

25

26

27

28

-

Pin Name

PWRGD

ROSC

5VSBY

AGND

THERMAL

PAD

Pin Function

Open collector output. Pulls low when eigher output is below the power good threshold level.

An external resistor connected from this pin to AGND sets oscillator frequency.

5V regulator output. Disabled when ENABLE is pulled low.

Analog signal ground.

Pad for heatsinking purposes. Connect to ground plane using multiple vias. Not connected

internally.

 2005 Semtech Corp.

7

www.semtech.com

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