sg6742tp Fairchild Semiconductor, sg6742tp Datasheet
sg6742tp
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sg6742tp Summary of contents
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Highly Integrated Green-Mode PWM Controller FEATURES High-voltage start-up Low operating current (4mA) Linearly decreasing PWM frequency to 22KHz Frequency jittering to reduce EMI emission Fixed PWM frequency (65KHz) Peak-current-mode control Cycle-by-cycle current limiting Leading-edge blanking Synchronized slope compensation Internal open-loop ...
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... Highly Integrated Green-Mode PWM Controller MARKING INFORMATION DIP SOP P: Z =Lead Free Null=regular package SG6742TP XXXXXXXX: Y: Year; WW: Week XXXXXXXXYWWV V: Assembly Location ORDERING INFORMATION Part Number PWM Frequency Pb-Free Package SG6742SZ 65KHz SG6742DZ (Preliminary) 65KHz PIN DESCRIPTIONS Pin No. Symbol Function Description ...
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Highly Integrated Green-Mode PWM Controller BLOCK DIAGRAM © System General Corp. Version 1.0.1 (IAO33.0083.B0) Product Specification - 3 - www.sg.com.tw • www.fairchildsemi.com SG6742 September 24, 2007 ...
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Highly Integrated Green-Mode PWM Controller ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage DD V Input Voltage to HV Pin HV V Input Voltage to FB, SENSE, CS Pin L P Power Dissipation T < 50° Thermal ...
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Highly Integrated Green-Mode PWM Controller Oscillator Section Symbol Parameter F Frequency in Nominal Mode OSC t Hopping Period HOP F Green-Mode Frequency OSC-G F Frequency Variation vs Frequency Variation vs. Temp. Deviation DT * Hopping off ...
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Highly Integrated Green-Mode PWM Controller Current-Sense Section Symbol Parameter Z Input Impedance SENSE V Current Limit Flatten Threshold Voltage STHFL V Current Limit Valley Threshold Voltage STHVA t Delay to Output PD t Leading-Edge Blanking Time LEB Threshold Voltage for ...
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Highly Integrated Green-Mode PWM Controller TYPICAL CHARACTERISTICS Start-up Current ( Temperature DD- -40 -30 - Temperature (℃) Start Threshold Voltage ( Temperature) DD- ...
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Highly Integrated Green-Mode PWM Controller Frequency in nominal mode ( Temperature OSC -40 -30 - Temperature (℃) Output Current from the RT pin ( Temperature RT 104 ...
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Highly Integrated Green-Mode PWM Controller OPERATION DESCRIPTION Start-up Current For start-up, the HV pin is connected to the line input or bulk capacitor through an external diode and resistor R which are recommended as 1N4007 and 100KΩ. Typical start-up current ...
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Highly Integrated Green-Mode PWM Controller V Over-Voltage Protection DD V over-voltage protection has been built in to prevent DD damage due to abnormal conditions. Once the V voltage is over the over-voltage protection voltage (V ) and lasts for t ...
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Highly Integrated Green-Mode PWM Controller REFERENCE CIRCUIT (12V/5A) F1 CN1 CN1 D4 R3 SG6742 GND GATE VDD C12 SENSE BOM ...
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Highly Integrated Green-Mode PWM Controller PACKAGE INFORMATION 8PINS-DIP( Dimensions Millimeters Symbol Min 0.381 A2 3.175 9.017 E E1 6.223 e L 2.921 eB 8.509 θ˚ 0˚ © System General Corp. ...
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Highly Integrated Green-Mode PWM Controller 8PINS-SOP( Dimensions Millimeter Symbol Min. A 1.346 A1 0.101 4.648 E 3.810 e 1.016 F H 5.791 L 0.406 θ˚ 0° © System General Corp. Version 1.0.1 (IAO33.0083.B0) ...
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Highly Integrated Green-Mode PWM Controller © System General Corp. Version 1.0.1 (IAO33.0083.B0) Product Specification - 14 - www.sg.com.tw • www.fairchildsemi.com SG6742 September 24, 2007 ...