SY5814A Datasheet Single Stage Buck Pfc Controller

Manufacturer: Silergy

Overview: Application Notes:SY5814A Single Stage Buck PFC Controller For LED Lighting Preliminary datasheet.

Datasheet Details

Part number	SY5814A
Manufacturer	Silergy
File Size	536.98 KB
Description	Single Stage Buck PFC Controller
Datasheet	SY5814A-Silergy.pdf

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.

Ordering Information SY5814.
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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.

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