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US1651 Datasheet - Unisonic Technologies

US1651-UnisonicTechnologies.pdf

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Datasheet Details

Part number:

US1651

Manufacturer:

Unisonic Technologies

File Size:

171.73 KB

Description:

Primary-side regulation pwm power switch.

US1651, PRIMARY-SIDE REGULATION PWM POWER SWITCH

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.

The device integrates PWM controller to enhance the performance of discontinuous conduction mode (DCM) flyback conv

US1651 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

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