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MAX17500 - Current-Mode PWM Controllers

General Description

The MAX17499/MAX17500 current-mode PWM controllers contain all the control circuitry required for the design of wide-input-voltage isolated and nonisolated power supplies.

The MAX17499 is well suited for low input voltage (9.5V DC to 24V DC) power supplies.

Key Features

  • o Current-Mode Control o Programmable Switching Frequency Up to 625kHz o Accurate UVLO Threshold (1%) o Open-Drain UVLO Flag Output with Internal Delay o 36V to 72V Telecom Voltage Range o Universal Offline Input Voltage Range Rectified 85V AC to 265V AC (MAX17500) o 9.5V to 24V Input (MAX17499) o Digital Soft-Start o Internal Bootstrap UVLO with Large Hysteresis (MAX17500) o Internal Error Amplifier with 1.5% Accurate Reference o 50µA (typ) Startup Supply Current o 50% Maximum Duty-Cycle Limit.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.DataSheet.co.kr 19-5485; Rev 1; 7/11 KIT ATION EVALU E L B AVAILA Current-Mode PWM Controllers with Programmable Switching Frequency Features o Current-Mode Control o Programmable Switching Frequency Up to 625kHz o Accurate UVLO Threshold (1%) o Open-Drain UVLO Flag Output with Internal Delay o 36V to 72V Telecom Voltage Range o Universal Offline Input Voltage Range Rectified 85V AC to 265V AC (MAX17500) o 9.5V to 24V Input (MAX17499) o Digital Soft-Start o Internal Bootstrap UVLO with Large Hysteresis (MAX17500) o Internal Error Amplifier with 1.