SY5814A Datasheet PDF - Silergy Single Stage Buck PFC Controller Specs

SY5814A - Single Stage Buck PFC Controller

Datasheet Summary

Description

The SY5814A is a single stage Buck PFC controller targeting at LED lighting applications.

It drives the Buck converter in the quasi-resonant mode to achieve higher efficiency.

It keeps the Buck converter in constant on time operation to achieve high power factor.

Features

Ordering Information SY5814.
(.
).
Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 105°C Ordering Number Package type Note SY5814AABC SOT23-6 ----.
Valley turn-on of the MOSFET to achieve low switching losses.
0.3V current sense reference voltage leads to a lower sense resistance thus a lower conduction loss.
Internal high current MOSFET driver: 0.25A sourcing and 0.5A sinking.
Low start up curren.

Datasheet Details

Part number	SY5814A
Manufacturer	Silergy
File Size	536.98 KB
Description	Single Stage Buck PFC Controller
Datasheet	SY5814A Datasheet
Additional preview pages of the SY5814A datasheet.

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Full PDF Text Transcription

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Application Notes:SY5814A Single Stage Buck PFC Controller For LED Lighting Preliminary datasheet General Description The SY5814A is a single stage Buck PFC controller targeting at LED lighting applications. It drives the Buck converter in the quasi-resonant mode to achieve higher efficiency. It keeps the Buck converter in constant on time operation to achieve high power factor. Features Ordering Information SY5814 □(□□)□ Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 105°C Ordering Number Package type Note SY5814AABC SOT23-6 ---- • Valley turn-on of the MOSFET to achieve low switching losses • 0.3V current sense reference voltage leads to a lower sense resistance thus a lower conduction loss. • Internal high current MOSFET driver: 0.25A sourcing and 0.

Published: Jun 9, 2014 |