Datasheet4U Logo Datasheet4U.com

ADP3089 Datasheet 1A Buck Regulator

Manufacturer: Analog Devices

📥 Download Datasheet

General 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 efficiency, excellent dynamic response, and is very simple to use.

The ADP3089’s 1 MHz switching frequency allows for small, inexpensive external components, and the current mode control loop is simple to compensate and eases noise filtering.

Overview

PRELIMINARY TECHNICAL DATA a Preliminary Technical Data.

Key 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.

More Datasheets from Analog Devices

Part Number Description
ADP3088 1 MHz/ 750 mA Buck Regulator
ADP3000 Adjustable High Frequency Switching Regulator
ADP3020 High-Efficiency Notebook Computer PowerSupply Controller
ADP3025 High Efficiency Dual Output Power Supply Controller
ADP3026 High-Efficiency Notebook Computer Power Supply Controller
ADP3031 PWM Boost Switching Regulator
ADP3041 TFT LCD Panel Power-Module
ADP3050 1A High Voltage Step-Down Switching Regulator
ADP3051 PWM Step Down DC-DC
ADP3110 12V MOSFET Driver