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MAX1820 - WCDMA Cellular Phone 600mA Buck Regulators

This page provides the datasheet information for the MAX1820, a member of the MAX1821 WCDMA Cellular Phone 600mA Buck Regulators family.

Datasheet Summary

Description

The MAX1820/MAX1821 low-dropout, pulse-width-modulated (PWM) DC-DC buck regulators are optimized to provide power to the power amplifier (PA) in WCDMA cell phones; however, they may be applied in many other applications where high efficiency is a priority.

The supply voltage range is from 2.6V to 5.

Features

  • o Dynamically Adjustable Output from 0.4V to 3.4V (MAX1820) o Programmable Output from 1.25V to 5.5V (MAX1821) o SYNC to 13MHz External Clock (MAX1820X) o SYNC to 19.8MHz External Clock (MAX1820Y) o NO SYNC, Internal 1MHz Oscillator (MAX1820Z) o Low Quiescent Current 180µA (typ) in Skip Mode 0.1µA (typ) in Shutdown Mode o No External Schottky Diode Required o 600mA Guaranteed Output Current o 0% to 100% Duty-Cycle Operation o 150mV Dropout at 600mA Load (Including RDC of External Inductor) o µMA.

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Datasheet preview – MAX1820

Datasheet Details

Part number MAX1820
Manufacturer Maxim Integrated Products
File Size 611.15 KB
Description WCDMA Cellular Phone 600mA Buck Regulators
Datasheet download datasheet MAX1820 Datasheet
Additional preview pages of the MAX1820 datasheet.

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Full PDF Text Transcription

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19-2011; Rev 2; 7/02 KIT ATION EVALU E L www.DataSheet4U.com B AVAILA WCDMA Cellular Phone 600mA Buck Regulators Features o Dynamically Adjustable Output from 0.4V to 3.4V (MAX1820) o Programmable Output from 1.25V to 5.5V (MAX1821) o SYNC to 13MHz External Clock (MAX1820X) o SYNC to 19.8MHz External Clock (MAX1820Y) o NO SYNC, Internal 1MHz Oscillator (MAX1820Z) o Low Quiescent Current 180µA (typ) in Skip Mode 0.
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