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Utsource Electronic Components Sg6961sz - China

price: 0.48 Dollar US$

1 - Description

The SG6961 is an 8-pin boundary mode PFC controller IC intended for controlling PFC pre-regulators.

The SG6961

provides a controlled on-time to regulate the output DC voltage and achieve natural power factor correction.

The maximum on-time of the external switch is programmable to ensure safe operation during AC brownouts.

An innovative multi-vector error amplifier is built in to provide rapid transient response and precise output voltage clamping.

A built-in circuit disables the controller if the output feedback loop is opened.

The start-up current is lower than 20μA and the operating current is under 4.5mA.

The supply voltage can be up to 20V, maximizing application flexibility.

2 - Features >Boundary Mode PFC Controller

>Low Input Current THD

>Controlled On-Time PWM

>Zero-Current Detection

>Cycle-by-Cycle Current Limiting

>Leading-Edge Blanking Instead of RC Filtering

>Low Start-up Current (10μA Typical)

>Low Operating Current (4.5mA Typical)

>Feedback Open-Loop Protection

>Programmable Maximum On-Time (MOT)

>Output Over-Voltage Clamping Protection

>Clamped Gate Output Voltage 16.5V


Company Contact:


  • Phone: 0755-23959113

  • Address: 10B2,BLOCK B,WORLD TRADE PLAZA,FUHONGA RD.,FUTIAN,SHENZHEN,51803 3 CHINA 电话:0755-23959113, SHENZHEN , GUANGDONG , China

  • Email: Email


Published date: April 18, 2017

  • Business Description: UTSOURCE is an amazing online electronic components store,provides different types such as electronic components , passive components, arm development board, Cell Phone Repair Parts,etc., and various product types,we also provide satisfying one-stop package service for customers.

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