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MAX17499 Datasheet Current-Mode PWM Controllers

Manufacturer: Maxim Integrated (now Analog Devices)

Download the MAX17499 datasheet PDF. This datasheet also includes the MAX17500 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (MAX17500_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

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.

The MAX17500 is well suited for universal input (rectified 85V AC to 265V AC) or telecom (-36V DC to -72V DC) power supplies.

Overview

www.DataSheet.co.kr 19-5485; Rev 1; 7/11 KIT ATION EVALU E L B AVAILA Current-Mode PWM Controllers with Programmable Switching.

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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