MAX5033AUSA+ Datasheet PDF - Maxim Integrated

The MAX5033AUSA+ is a 500mA, 76V, high efficiency, MAXPower step down DC to DC converter in 8 pin NSOIC package. It is easy to use, high efficiency, high voltage, step down DC to DC converter operates from an input voltage up to 76V. This pulse width modulated (PWM) converter operates at a fixed 125KHz switching frequency at heavy loads and automatically switches to pulse skipping mode to provide low quiescent current and high efficiency at light loads. The MAX5033 includes internal frequency compensation simplifying circuit implementation. The device uses an internal low on-resistance, high voltage, DMOS transistor to obtain high efficiency and reduce overall system cost. This device includes undervoltage lockout, cycle-by-cycle current limit, hiccup-mode output short-circuit protection and thermal shutdown. The MAX5033 delivers up to 500mA output current.

● Supply voltage range is 7.5V to 76V

● Operating temperature range from 0°C to 85°C

● Fixed output voltage of 3.3V

● Quiescent current of 270µA at no load and shutdown current of 10µA

● Internal 0.4ohm high side DMOSFET

● Internal frequency compensation

● Efficiency up to 86%