USRB01 HIGH PRECISION CC/CV PRIMARY SIDE SWITCH

Unisonic Technologies

Description

UNISONIC TECHNOLOGIES CO., LTD USRB01 Preliminary LINEAR INTEGRATED CIRCUIT HIGH PRECISION CC/CV PRIMARY SIDE SWITCH * .
The UTC USRB01 is a primary controller for charger and adapter applications.

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Datasheet Specifications

Part number: USRB01
Manufacturer: Unisonic Technologies
File Size: 190.39 KB
Datasheet: USRB01-UnisonicTechnologies.pdf
Description: HIGH PRECISION CC/CV PRIMARY SIDE SWITCH

Features

* including Cycle-by-cycle current limiting, output over voltage protection, VDD over voltage protection, feedback loop open protection, short circuit protection, leading edge blanking, OTP, VDD under voltage lockout, etc. SOP-8
* FEATURES
* ±5% constant voltage regulation at universal AC i

Applications

* The controlled variable is transferred by an auxiliary winding from the secondary to the primary side. The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. The UTC USRB01 operates in primary-side sensing and regulation. Opto-co

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