ADP3089 - 1A Buck Regulator

Analog Devices

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Datasheet Details

Part number	ADP3089
Manufacturer	Analog Devices
File Size	109.95 KB
Description	1A Buck Regulator
Datasheet	ADP3089_AnalogDevices.pdf

ADP3089 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 |