US1651 - PRIMARY-SIDE REGULATION PWM POWER SWITCH

Product Overview

Unisonic Technologies

Part number	US1651
Manufacturer	Unisonic Technologies
File Size	171.73 KB
Description	PRIMARY-SIDE REGULATION PWM POWER SWITCH
Datasheet	US1651 Datasheet
Additional preview pages of the US1651 datasheet.

The UTC US1651 is a primary control switch mode charger and adapter applications.

The controlled variable is transferred by an auxiliary winding from the secondary to the primary side.

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Programmable CV and CC regulation.
Primary-side sensing and regulation with No TL431 and opto-coupler.
Multi-mode operation for high efficiency.
Adjustable constant current and output power setting.
Power on soft-start time (4ms).
Frequency shuffling and adjustable gate drive greatly improving EMI.
”Extended burst mode control” for improved efficiency and minimum standby design.
Built-in leading edge blanking (LEB).
VDD under voltage lockout.
VDD.

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Published: Mar 12, 2016 |