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SG6846LDZ Datasheet (PDF) - List of Unclassifed Manufacturers

SG6846LDZ Datasheet PDF - List of Unclassifed Manufacturers
Part # SG6846LDZ
Download  SG6846LDZ Download

File Size   3217.73 Kbytes
Page   14 Pages
Manufacturer  ETC1 [List of Unclassifed Manufacturers]
Direct Link  
Logo ETC1 - List of Unclassifed Manufacturers
Description Highly-Integrated Green-Mode PWM Controller

SG6846LDZ Datasheet (PDF)

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SG6846LDZ Datasheet PDF - List of Unclassifed Manufacturers

Part # SG6846LDZ
Download  SG6846LDZ Click to download

File Size   3217.73 Kbytes
Page   14 Pages
Manufacturer  ETC1 [List of Unclassifed Manufacturers]
Direct Link  
Logo ETC1 - List of Unclassifed Manufacturers
Description Highly-Integrated Green-Mode PWM Controller

SG6846LDZ Datasheet (HTML) - List of Unclassifed Manufacturers

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SG6846LDZ Product details

[System General Corp.]



DESCRIPTION

The highly integrated SG6846 series of PWM controllers provides several features to enhance the performance of flyback converters. To minimize standby power consumption, a proprietary green-mode function provides off-time modulation to continuously decrease the switching frequency under light-load conditions. Under zero-load conditions, the power supply enters burst-mode. This completely shuts off PWM output. The output restarts just before the supply voltage drops below the UVLO lower limit. This green-mode function enables power supplies to easily meet international power conservation requirements.



FEATURES

■ Two-level OCP with 96mS delay time

■ Peak-current-mode operation with cycle-by-cycle current limiting

■ PWM frequency continuously decreasing w/ burst mode at light loads

■ Low start-up current (8uA)

■ Low operating current (3.7mA)

■ VDD over-voltage protection (OVP)

■ AC input brownout protection with hysteresis

■ Programmable over-temperature protection (OTP)

■ Constant power limit over universal AC input range

■ Internal latch circuit for OTP, OVP, OCP

■ Very few external components



APPLICATIONS

General-purpose switch mode power supplies and flyback power converters, including:

■ Power adapters

■ Open-frame SMPS

■ Specifically fit for SMPS with surge-current output, such as for printers, scanners, motor drivers, etc.



 




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