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SG6741A - Highly-Integrated Green-Mode PWM Controller

Description

The highly integrated SG6741A series of PWM controllers provides several

Features

  • High-voltage Startup Low Operating Current: 4mA Linearly Decreasing PWM Frequency to 18kHz Frequency Hopping to Reduce EMI Emissions Peak-current-mode Control Cycle-by-cycle Current Limiting Leading-edge Blanking (LEB) Synchronized Slope Compensation GATE Output Maximum Voltage Clamp: 18V VDD Over-voltage Protection (Auto Restart) VDD Under-voltage Lockout (UVLO) Internal Open-loop Protection Constant Power Limit (Full.

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Part Number Description
SG6741 Highly-Integrated Green-Mode PWM Controller
SG6742 Highly-Integrated Green-Mode PWM Controller
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SG6742ML Highly Integrated Green-Mode PWM Controller

Full PDF Text Transcription

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SG6741A — Highly Integrated Green-Mode PWM Controller April 2008 SG6741A — Highly Integrated Green-Mode PWM Controller Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ High-voltage Startup Low Operating Current: 4mA Linearly Decreasing PWM Frequency to 18kHz Frequency Hopping to Reduce EMI Emissions Peak-current-mode Control Cycle-by-cycle Current Limiting Leading-edge Blanking (LEB) Synchronized Slope Compensation GATE Output Maximum Voltage Clamp: 18V VDD Over-voltage Protection (Auto Restart) VDD Under-voltage Lockout (UVLO) Internal Open-loop Protection Constant Power Limit (Full AC Input Range) Description The highly integrated SG6741A series of PWM controllers provides several features to enhance the performance of flyback converters.
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