ADP3089 - 1A Buck Regulator

Product Overview

Analog Devices

Datasheet Details

Part number	ADP3089
Manufacturer	Analog Devices
File Size	109.95 KB
Description	1A Buck Regulator
Datasheet	ADP3089 Datasheet
Additional preview pages of the ADP3089 datasheet.

Product details

Description

IN IN 1 MHz, 1 A Buck Regulator ADP3089 FUNCTIONAL BLOCK DIAGRAM SW CURRENT SENSE PWM 1MHz AMP COMPARATOR S Q R DRV PROTECTION LOGIC (ILIM, OT) ERROR AMP gm RUN/STOP COMPARATORS FB SOFT-START TIMER COMP GND GND + REF 1.245V VIN 10µF 0.1µF IN IN ADP3089 SW SW DRV FB 10µH 1N5817 53.6kΩ + 10µF 120kΩ VOUT 1.8V@1A The ADP3089 is a high frequency, non-synchronous PWM step-down DC-DC regulator with an integrated 1.5 A power switch in a space-saving chip scale package.It provides high effici

Features

1 MHz PWM Frequency Ultrasmall 8-lead 3×3 Sq. mm Chip Scale Package Automatic PWM to Power Saving Mode at Light Load Fully Integrated 1.5 A Power Switch 3% Output Regulation Accuracy over Temperature, Line, and Load 100% Duty Cycle Operation www. DataSheet4U. com Simple Compensation Output Voltage: 1.25 V to 11.5 V Input Voltage: up to 12 V Small Inductor and MLC Capacitors Low Quiescent Current while Pulse Skipping Thermal Shutdown Fully Integrated Soft Start Cycle-by-cycle Current Limit.

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Published: Jun 2, 2008 |