BL8080 - HIGH INTEGRATED PWM CONTROLLER

BELLING

General Description

1 OB Output of the drive, connects this pin to the base of the external power transistor.

2 OE Connects this pin to the emmiter of the external power transistor.

The power supply.

Key Features

Low start up current.
Easy programmable frequency.
Compact SOT23-6 package.
Universal voltage range: 85VAC -264VAC.
Thermal shutdown.
Cycle by cycle current limit.
Slope current drive.
Low standby power consumption.

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BL8080 high integrated pwm controller by BELLING - Datasheet Preview

Datasheet Details

Part number	BL8080
Manufacturer	BELLING
File Size	307.50 KB
Description	HIGH INTEGRATED PWM CONTROLLER
Datasheet	BL8080 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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BL8080 GENERAL DISCRIPTION The BL8080 is a PWM controller designed to drive high voltage NPN transistors. It integrates an oscillator, cycle-by-cycle current limit, thermal protection and over voltage protection, great reducing the number of external components and system level cost. Compared to conventional controller, BL8080 has a significantly smaller startup current of less than 20uA, which allows large startup resistor that enabes further power saving. The frequency can be adjusted from an external capcitor. At light load condition the frequency of BL8080 can be varied according to the load, which improves the light load efficiency.