Datasheet4U Logo Datasheet4U.com

FAN7621S - PFM Controller

General Description

The FAN7621S 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 FAN7621S simplifies designs and improves productivity, while improving performance.

Key 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 Auto-Restart Operation for All Protections with an External LVCC Protection Functions: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD).

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
FAN7621 PFM Controller ON Semiconductor
FAN7631 PFM Controller ON Semiconductor
FAN7688 Advanced Secondary Side LLC Resonant Converter Controller ON Semiconductor
FAN7080-GF085 Half Bridge Gate Driver ON Semiconductor
FAN7083-GF085 High Side Gate Driver ON Semiconductor

Other Datasheets by Fairchild (now onsemi)

Part Number Description
FAN7621 PFM Controller
FAN7621B PFM Controller
FAN7601 Green Current Mode PWM Controller
FAN7601B Green Current Mode PWM Controller
FAN7602 Green Current Mode PWM Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
FAN7621S — PFM Controller for Half-Bridge Resonant Converters July 2010 FAN7621S PFM Controller for Half-Bridge Resonant Converters Features 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 Auto-Restart Operation for All Protections with an External LVCC Protection Functions: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) Description The FAN7621S is a pulse frequency modulation controller for high-efficiency half-bridge resonant converters.