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MAX5035 - 1A / 76V / High-Efficiency MAXPower Step-Down DC-DC Converter

General Description

The MAX5035 easy-to-use, high-efficiency, high-voltage, step-down DC-DC converter operates from an input voltage up to 76V and consumes only 270µA quiescent current at no load.

Key Features

  • o Wide 7.5V to 76V Input Voltage Range o Fixed (3.3V, 5V, 12V) and Adjustable (1.25V to 13.2V) Versions o 1A Output Current o Efficiency Up to 94% o Internal 0.4Ω High-Side DMOS FET o 270µA Quiescent Current at No Load, 10µA Shutdown Current o Internal Frequency Compensation o Fixed 125kHz Switching Frequency o Thermal Shutdown and Short-Circuit Current Limit o 8-Pin SO and PDIP Packages OOrrddeerriinngg IInnffoorrmmaattiioonn PART PIN- OUTPUT TEMP RANGE.

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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.

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EVALUATION KIT AVAILABLE AVAILABLE MAX5035 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter General Description The MAX5035 easy-to-use, high-efficiency, high-voltage, step-down DC-DC converter operates from an input voltage up to 76V and consumes only 270µA quiescent current at no load. 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 MAX5035 includes internal frequency compensation simplifying circuit implementation. The device uses an internal lowon-resistance, high-voltage, DMOS transistor to obtain high efficiency and reduce overall system cost.