Product Summary

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 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 MAX5035 delivers up to 1A output current. The output current may be limited by the maximum power dissipation capability of the package. External shutdown is included, featuring 10μA (typ) shutdown current. The MAX5035A/B/C versions have fixed output voltages of 3.3V, 5V, and 12V, respectively, while the MAX5035D/E versions have an adjustable output voltage from 1.25V to 13.2V.

The MAX5035 is available in space-saving 8-pin SO and 8-pin plastic DIP packages and operates over the automotive (-40°C to +125°C) temperature range.


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Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MAX5035BASA+
MAX5035BASA+

Maxim Integrated Products

DC/DC Switching Converters 1A 76V MAXPower Step-Down

Data Sheet

0-1: $5.62
1-25: $3.77
25-50: $2.73
50-100: $2.70
MAX5035BASA+T
MAX5035BASA+T

Maxim Integrated Products

DC/DC Switching Converters 1A 76V MAXPower Step-Down

Data Sheet

0-2080: $2.32
2080-2500: $2.32