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SG1577A

Fairchild Semiconductor
Part Number SG1577A
Manufacturer Fairchild Semiconductor
Description Dual Synchronous DC/DC Controller
Published May 8, 2011
Detailed Description SG1577A — Dual Synchronous DC/DC Controller September 2009 SG1577A Dual Synchronous DC/DC Controller Features ƒ ƒ ƒ ƒ ...
Datasheet PDF File SG1577A PDF File

SG1577A
SG1577A

Overview
SG1577A — Dual Synchronous DC/DC Controller September 2009 SG1577A Dual Synchronous DC/DC Controller Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ Integrated Two Sets of MOSFET Drivers Two Independent PWM Controllers Constant Frequency Operation: Free-running Fixed Frequency Oscillator Programmable: 61kHz to 340kHz Maximum Input Supply Voltage: 15V Programmable Output as Low as 0.
7V Internal Error Amplifier Reference Voltage: 0.
7V±1.
5% Two Soft-Start / EN Functions Programmable Over-Current Protection (OCP) 30V HIGH Voltage Pin for Bootstrap Voltage Output Over-Voltage Protection (OVP) 20-Pin SOP Description The SG1577A is a high-efficiency, voltage-mode, dualchannel, synchronous DC/DC PWM controller fo...


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