SY8511B 1.2A Asynchronous Step Down Regulator

Silergy

Description

Application Note: SY8511B High Efficiency, 200kHz, 100V Input, 1.2A Asynchronous Step Down Regulator General .
The SY8511B is a high efficiency, current mode adaptive constant OFF time controlled asynchronous step-down DC/DC converter capable of delivering 1.

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Datasheet Specifications

Part number: SY8511B
Manufacturer: Silergy
File Size: 822.87 KB
Datasheet: SY8511B-Silergy.pdf
Description: 1.2A Asynchronous Step Down Regulator

Features

* Low RDS(ON) for Internal N-channel Power FET:1Ω
* 4.5-100V Input Voltage Range
* 1.2A Output Current Capability
* 200kHz Pseudo Constant Switching Frequency
* Internal Soft-start Limits the Inrush Current
* Hic-cup Mode Output Short Circuit Protectio

Applications

* Non-isolated Telecommunication Buck Regulator
* Secondary High Voltage Post Regulator
* Automotive Systems
* Electric Bicycle CBS RBS VIN CIN 5 IN 1 BS 6 LX ON/ OFF 4 EN FB 3 GND 2 L1 VOUT R1 C4 (opt. ) COUT R2 Figure1. Schematic Diagram Efficiency

SY8511B Distributors

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SY8511B 1.2A Asynchronous Step Down Regulator Silergy

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