SG6859 - Fairchild

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

SG6859
Manufacturer

Fairchild
ChipWorker Part#

CW566806593
Description

Low Cost Green-Mode PWM Controller for Flyback Converters
Documentation

Datasheet

SG6859 Global Supplier

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SG6859 Specifications

Attribute	Attribute Value

Part Number	SG6859
Manufacturer	Fairchild
ChipWorker Part#	CW566806593
Documentation	Datasheet
	expand all
Product Lifecycle Status	Unknown

Product Description

DESCRIPTION
This highly integrated PWM controller provides several special enhancements designed to meet the low standby-power needs of low-power SMPS. To minimize standby power consumption, the proprietary green-mode function provides off-time modulation to linearly decrease the switching frequency under light-load conditions. This green-mode function enables the power supply to easily meet even the strictest power conservation requirements.
FEATURES
■ Green-Mode PWM
■ Supports the “Blue Angel” Standard
■ Low Start-up Current (9uA)
■ Low Operating Current (3mA)
■ Leading-Edge Blanking
■ Constant Output Power Limit
■ Universal Input
■ Built-in Synchronized Slope Compensation
■ Current Mode Operation
■ Cycle-by-cycle Current Limiting
■ Under Voltage Lockout (UVLO)
■ Programmable PWM Frequency with Frequency Hopping
■ VDD Over Voltage Protection (Auto Restart)
■ Gate Output Voltage Clamped at 17V
■ Low Cost
■ Few External Components Required
■ Small SOT-26 and Dip 8 Packages
APPLICATIONS
General-purpose switching mode power supplies and flyback power converters, such as
■ Battery chargers for cellular phones, cordless phones, PDAs, digital cameras, and power tools
■ Power adapters for ink jet printers, video game consoles, and portable audio players
■ Open-frame SMPS for TV/DVD standby and other auxiliary supplies, home appliances, and consumer electronics
■ Replacements for linear transformers and RCC SMPS
■ PC 5V standby power.

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Ordering Information

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These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
- Please check the technical specifications of the products when ordering.
- MOQ is the minimum order quantity required to purchase each part.
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- If you need a detailed invoice or a tax identifier, please contact us.
- Delivery will take between 1 to 2 weeks after the shipment is sent to your country.
- Your order will be processed only after the invoice has been paid.
- The tracking number will be sent to you after the order is shipped. (It may take up to 24 hours for the information to be available from the carrier.) View more >
- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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