ADP3811 - Secondary Side/ Off-Line Battery Charger Controllers

Product Overview

Analog Devices

Datasheet Details

Part number	ADP3811
Manufacturer	Analog Devices
File Size	457.51 KB
Description	Secondary Side/ Off-Line Battery Charger Controllers
Datasheet	ADP3811 Datasheet
Additional preview pages of the ADP3811 datasheet.

Product details

Description

Secondary Side, Off-Line Battery Charger Controllers ADP3810/ADP3811 off-line applications, the output directly drives the diode side of an optocoupler to give isolated feedback control of a primary side PWM.The circuitry includes two gain (gm) stages, a precision 2.0 V reference, a control input buffer, an Undervoltage Lock Out (UVLO) comparator, an output buffer and an overvoltage comparator.The current limit amplifier senses the voltage drop across an external sense resistor to control the

Features

Programmable Charge Current High Precision Battery Voltage Limit Precision 2.000 V Reference Low Voltage Drop Current Sense: 300 mV Full Scale Full Operation in Shorted and Open Battery Conditions Drives Diode-Side of Optocoupler Wide Operating Supply Range: 2.7 V to 16 V Undervoltage Lockout SO-8 Package ADP3810 Internal Precision Voltage Divider for Battery Sense Four Final Battery Voltage Options Available: 4.2 V, 8.4 V, 12.6 V, 16.8 V ADP3811 Adjustable Final Battery Voltage.

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Published: Mar 23, 2005 |