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FAN7621B - PFM Controller

Datasheet Summary

Description

The FAN7621B is a pulse frequency modulation controller for high-efficiency half-bridge resonant converters.

Offering everything necessary to build a reliable and robust resonant converter, the FAN7621B simplifies designs and improves productivity, while improving performance.

Features

  • Variable Frequency Control with 50% Duty Cycle for Half-bridge Resonant Converter Topology High Efficiency through Zero Voltage Switching (ZVS) Fixed Dead Time (350ns) Up to 300kHz Operating Frequency Pulse Skipping for Frequency Limit (Programmable) at Light-Load Condition Remote On/Off Control using CON Pin Protection Functions: Over-Voltage Protection (OVP), Overload Protection (OLP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AO.

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Datasheet preview – FAN7621B

Datasheet Details

Part number FAN7621B
Manufacturer Fairchild Semiconductor
File Size 1.03 MB
Description PFM Controller
Datasheet download datasheet FAN7621B Datasheet
Additional preview pages of the FAN7621B datasheet.

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Full PDF Text Transcription

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FAN7621B — PFM Controller for Half-Bridge Resonant Converters July 2010 FAN7621B PFM Controller for Half-Bridge Resonant Converters Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ Variable Frequency Control with 50% Duty Cycle for Half-bridge Resonant Converter Topology High Efficiency through Zero Voltage Switching (ZVS) Fixed Dead Time (350ns) Up to 300kHz Operating Frequency Pulse Skipping for Frequency Limit (Programmable) at Light-Load Condition Remote On/Off Control using CON Pin Protection Functions: Over-Voltage Protection (OVP), Overload Protection (OLP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) Description The FAN7621B is a pulse frequency modulation controller for high-efficiency half-bridge resonant converters.
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