US1651 PRIMARY-SIDE REGULATION PWM POWER SWITCH

Unisonic Technologies

Description

UNISONIC TECHNOLOGIES CO., LTD US1651 Preliminary PRIMARY-SIDE REGULATION PWM POWER SWITCH CMOS IC * .
The UTC US1651 is a primary control switch mode charger and adapter applications.

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Datasheet Specifications

Part number: US1651
Manufacturer: Unisonic Technologies
File Size: 171.73 KB
Datasheet: US1651-UnisonicTechnologies.pdf
Description: PRIMARY-SIDE REGULATION PWM POWER SWITCH

Features

* including Cycle-by-cycle current limiting, VDD over voltage protection, VDD clamp, OTP, leading edge blanking, VDD under voltage lockout, etc. SOP-8
* FEATURES
* Programmable CV and CC regulation
* Primary-side sensing and regulation with No TL431 and opto-coupler
* Multi-mode oper

Applications

* The controlled variable is transferred by an auxiliary winding from the secondary to the primary side. The device integrates PWM controller to enhance the performance of discontinuous conduction mode (DCM) flyback converters. The UTC US1651 operates in primary-side sensing and regulation. Opto-coup

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US1651 PRIMARY-SIDE REGULATION PWM POWER SWITCH Unisonic Technologies

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