ADP1870 - Synchronous Buck Controller

Product Overview

Analog Devices

Datasheet Details

Part number	ADP1870
Manufacturer	Analog Devices
File Size	1.71 MB
Description	Synchronous Buck Controller
Datasheet	ADP1870 Datasheet
Additional preview pages of the ADP1870 datasheet.

Product details

Description

The ADP1870/ADP1871 are versatile current-mode, synchronous step-down controllers that provide superior transient response, optimal stability, and current-limit protection by using a constant on-time, pseudo-fixed frequency with a programmable currentlimit, current-control scheme.

Features

Power input voltage range: 2.95 V to 20 V On-board bias regulator Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 kHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1871 only) Resistor-programmable current-sense gain Thermal overload protection Short-circuit protection Precision enable input Integrated bootstrap diode for high-side drive Starts into.

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Published: Jul 6, 2011 |