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SG6842J Datasheet - System General

SG6842J - Highly-Integrated Green-Mode PWM Controller

The hi ghly i ntegrated S G6842J se ries of P WM controllers provides se veral feat ures t o enhance t he performance of flyback converters.

To m inimize standby p ower co nsumption, a proprietary green-mode fun ction pro vides of f-time modulation t o co ntinuously dec rease t he swi tching TYPICA

Product Specification Highly-Integrated Green-Mode PWM Controller SG6842J frequency at l ight-load co nditions.

To a void acoustic-noise p roblem, t he m inimum PWM frequency set abo ve 20kHz.

T his green-mode f unction e nables t he power supp ly to easily meet in ternational power conservation r equirements.

To further re duce p ower consumption, SG 6842J is m anufactured by usi ng the BiCMOS process.

This allows the lowest start-up current around 8uA, and the operating current is only 4mA.

A

SG6842J Features

* Green-mode PWM Controller Low Start-Up Current (8uA) Low Operating Current (4mA) Programmable PWM frequency with Jittering Peak-current-mode Operation Cycle-by-Cycle Current Limiting Synchronized Slope Compensation Leading-Edge Blanking Constant Output Power Limit (Full AC Input Range) VDD Over Volt

SG6842J-SystemGeneral.pdf

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Datasheet Details

Part number:

SG6842J

Manufacturer:

System General

File Size:

1.35 MB

Description:

Highly-integrated green-mode pwm controller.

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