SG6858_09 FAIRCHILD [Fairchild Semiconductor], SG6858_09 Datasheet
SG6858_09
Related parts for SG6858_09
SG6858_09 Summary of contents
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SG6858 Low-Cost, Green-Mode, PWM Controller for Flyback Converters Features Green-Mode PWM Supports the ”Blue Angel” Standard Low Startup Current: 10µA (Maximum) Low Operating Current: 2.5mA Leading-Edge Blanking (LEB) Constant Output Power Limit Built-in Synchronized Slope Compensation Current-Mode Operation Cycle-by-Cycle Current ...
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Typical Application L EMI AC Input Filter N 5 VDD SG6858 FB 2 GND Block Diagram OVP 25V Internal VDD 5(2) BIAS UVLO 16.5V/11.5V SOT(DIP) © 2008 Fairchild Semiconductor Corporation SG6858 • Rev. ...
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Marking Information Pin Configuration 1 GND SOT - 26 Pin Definitions Pin # Name Description DIP-8 SSOT- GATE 2 5 VDD SENSE ...
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Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure ...
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Electrical Characteristics V =15V, T =-40°C ~+125° Symbol Parameter V Section DD V Continuously Operating Voltage DD-OP V Turn-On Threshold Voltage DD-ON V Turn-Off Voltage DD-OFF I Startup Current DD-ST I Operating Supply Current DD- ...
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Typical Performance Characteristics Turn-On Threas hold Voltage (V Tem perature 17.5 17.0 16.5 16.0 15.5 -40 -25 - Tem perature (℃) Figure 6. Turn-On Threshold Voltage (V vs. Temperature Startup Current(I DD ...
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Typical Performance Characteristics Green-M ode Entry FB Voltage(V Temperature 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 -40 -25 - Tem perature (℃) Figure 12. Green Mode Entry FB Voltage (V vs. Temperature Leading-Edge Blank ing Time ...
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Operation Description SG6858 devices integrate many useful designs into one controller for low-power switch-mode power supplies. The following descriptions highlight some of the features of the SG6858 series. Startup Operation The startup current is only 10µA. Low startup current allows ...
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V Over-Voltage Protection (OVP) DD Integrated V over-voltage protection prevents damage DD due to over-voltage conditions. When the V the internal threshold due to abnormal conditions, PWM output is turned off until the V DD UVLO, then starts again. Over-voltage ...
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Typical Application Circuit (Flyback Converter for Printer Application) Fairchild Application Devices Adapter SG6858 1A/250V R XC1 XC 1MΩ AC Input R XC2 1MΩ 0.22µF/300V N R FR103 10µF/50V VDD + D C 1.2Ω VDD N A 100kΩ ...
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Physical Dimensions Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or ...
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Physical Dimensions (Continued) 5.08 MAX 0.33 MIN (0.56) 2.54 NOTES: UNLESS OTHERWISE SPECIFIED A) THIS PACKAGE CONFORMS TO JEDEC MS-001 VARIATION BA B) ALL DIMENSIONS ARE IN MILLIMETERS. C) DIMENSIONS ARE EXCLUSIVE OF BURRS, MOLD FLASH, AND TIE BAR EXTRUSIONS. ...
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Fairchild Semiconductor Corporation SG6858 • Rev. 1.2.4 13 www.fairchildsemi.com ...