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ADP1621 - Current-Mode Step-Up DC/DC Controller

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Analog Devices

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ADP1621 Current-Mode Step-Up DC/DC Controller by Analog Devices - Datasheet Preview — Datasheet preview – ADP1621

Datasheet Details

Part number	ADP1621
Manufacturer	Analog Devices
File Size	684.38 KB
Description	Current-Mode Step-Up DC/DC Controller
Datasheet	ADP1621 Datasheet
Additional preview pages of the ADP1621 datasheet.

Product details

Description

The ADP1621 is a fixed-frequency, pulse-width modulation (PWM), current-mode, step-up converter controller.

Features

92% efficiency (no sense resistor required) ±1.0% initial accuracy IC supply voltage range: 2.9 V to 5.5 V Power-input voltage as low as 1.0 V Capable of high supply input voltage (>5.5 V) with an external NPN or a resistor VIN UVLO and 35 mA shunt regulator External slope compensation with 1 resistor Programmable operating frequency (100 kHz to 1.5 MHz) with 1 resistor Lossless current sensing for switch-node voltage 30 V Synchronizable to.

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Published: Jan 14, 2007 |