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.
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.