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1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
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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. The FAN7621B includes a highside gate-drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft-start, and built-in protection functions. The high-side gate-drive circuit has a common-mode noise cancellation capability, which guarantees stable operation with excellent noise immunity. Using th
Title
PFM Controller for Half-Bridge Resonant Converter
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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 (AOCP), Internal Thermal Shutdown (TSD)
Applications
● PDP and LCD TVs
● Desktop PCs and Servers
● Adapters
● Telecom Power Supplies
● Video Game Consoles
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. The FAN7621B includes a high-side gate-drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft-start, and built-in protection functions. The high-side gate-drive circuit has a common-mode noise cancellation capability, which guarantees. stable. operation with excellent noise immunity. Using the zero-voltage-switching (ZVS) technique dramatically reduces the switching losses and efficiency is significantly improved. The ZVS also reduces the switching noise noticeably, which allows a small-sized Electromagnetic Interference (EMI) filter.
The FAN7621B can be applied to various resonant converter topologies; such as series resonant, parallel resonant, and LLC resonant converters.
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6 buyer reviews from Philippines
Kim Benedict Chua
Length of registration:3 years
Got it in very good packaging. Will test and hopefully it will work well. Thank you!
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03/17/2021
Ramon R. Reyes
Length of registration:12 years
works good! fm DU1FV
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03/27/2017
Norman Tayo
Length of registration:10 years
THANK YOU...GOT THE ITEM QUICKLY.
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02/06/2017
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Warranty
All UTSOURCE purchases have a 60 days money back return policy, plus a 90 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
FAN7621B
FAN7621B has several brands around the world that may have alternate names for FAN7621B due to regional differences or acquisition. FAN7621B may also be known as the following names:
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Stock Status: 10000
Minimum: 2
Total Price:
Unit Price:144.66707
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