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SG1577 Datasheet - Fairchild Semiconductor

SG1577_FairchildSemiconductor.pdf

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Datasheet Details

Part number:

SG1577

Manufacturer:

Fairchild Semiconductor

File Size:

891.50 KB

Description:

Dual synchronous dc/dc controller.

SG1577, Dual Synchronous DC/DC Controller

The SG1577 is a high-efficiency, voltage-mode, dualchannel, synchronous DC/DC PWM controller for two independent outputs.

The two channels are operated out of phase.

The internal reference voltage is trimmed to 0.7V±1.5%.

It is connected to the error amplifier’s positive terminal for voltage feedbac

SG1577 Features

* Integrated Two Sets of MOSFET Drivers Two Independent PWM Controllers Constant Frequency Operation: Free-running Fixed Frequency Oscillator Programmable: 60kHz to 320kHz Wide Range Input Supply Voltage: 8~15V Programmable Output as Lo

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