MAX17020 Datasheet Dual Quick-PWM Step-Down Controller

Manufacturer: Maxim Integrated (now Analog Devices)

MAX17020 dual quick-pwm step-down controller by Maxim Integrated (now Analog Devices) - Datasheet Preview

Datasheet Details

Part number	MAX17020
Manufacturer	Maxim Integrated (now Analog Devices)
File Size	692.58 KB
Description	Dual Quick-PWM Step-Down Controller
Datasheet	MAX17020 Datasheet

General Description

The MAX17020 is a dual Quick-PWM™ step-down power-supply (SMPS) controller with synchronous rectification, intended for main 5V/3.3V or I/O 1.5V/1.05V power generation in battery-powered systems.

Lowside MOSFET sensing provides a simple low-cost, highly efficient current sense for valley current-limit protection.

Combined with the output overvoltage and undervoltage protection

Overview

19-4118; Rev 2; 2/09 KIT ATION EVALU E L B A AVAIL Dual Quick-PWM Step-Down Controller with Low-Power LDO, RTC.

Key Features

this current limit ensures robust output supplies. The 5V/3.3V or 1.5V/1.05V SMPS outputs can save power by operating in pulse-skipping mode or in ultrasonic mode to avoid audible noise. Ultrasonic mode forces the controller to maintain switching frequencies greater than 20kHz at light loads. An internal 100mA linear regulator can be used to either generate the 5V bias needed for power-up or other lower power “always-on” suspend supplies. An independent bypass input allows automatic bypassing o.

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