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MAX17598 - (MAX17598 / MAX17599) Active Clamp Current-Mode PWM Controllers

Description

The MAX17598/MAX17599 low IQ, active clamp currentmode PWM controllers contain all the control circuitry required for the design of wide-input isolated/non-isolated forward-converter industrial power supplies.

Features

  • S Active Clamp, Peak Current-Mode Forward PWM Controller S 20FA Startup Current in UVLO S 4.5V to 36V Input-Supply Operating Range (MAX17599) S Programmable Input Undervoltage Lockout S Programmable Input Overvoltage Protection S Programmable 100kHz to 1MHz Switching Frequency S Switching Frequency Synchronization S Programmable Frequency Dithering for Low EMI Spread-Spectrum Operation S Programmable Dead Time S Adjustable Soft-Start S Programmable Slope Compensation S Fast Cycle-by-.

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Full PDF Text Transcription

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www.DataSheet.co.kr 19-6179; Rev 0; 1/12 EVALUATION KIT AVAILABLE MAX17598/MAX17599 Low IQ, Wide-Input Range, Active Clamp Current-Mode PWM Controllers General Description The MAX17598/MAX17599 low IQ, active clamp currentmode PWM controllers contain all the control circuitry required for the design of wide-input isolated/non-isolated forward-converter industrial power supplies. The MAX17598 is well-suited for universal input (rectified 85V AC to 265V AC) or telecom (36V DC to 72V DC) power supplies. The MAX17599 is optimized for low-voltage industrial supplies (4.5V DC to 36V DC). The devices include an AUX driver that drives an auxiliary MOSFET (clamp switch) that helps implement the active-clamp transformer reset topology for forward converters.
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