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LTC3567 Datasheet High Effi ciency USB Power Manager Plus 1A Buck-Boost Converter

Manufacturer: Linear Technology (now Analog Devices)

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General Description

Power Manager n High Efficiency Switching PowerPath™ Controller with Bat-Track™ Adaptive Output Control n Programmable USB or Wall Current Limit (100mA/500mA/1A) n Full Featured Li-Ion/Polymer Battery Charger n “Instant-On” Operation with a Discharged Battery n 1.5A Maximum Charge Current n Internal 180mΩ Ideal Diode Plus External Ideal Diode Controller Powers Load in Battery Mode n Low No-Load IQ When Powered from BAT (<30μA) 1A Buck-Boost DC/DC n High Efficiency (1A IOUT) n 2.25MHz Constant Frequency Operation n Low No-Load Quiescent Current (~13μA) n Zero Shutdown Current n I2C Control of All Functions The LTC®3567 is a highly integrated power management and battery charger IC for Li-Ion/Polymer battery applications.

It includes a high efficiency current limited switching PowerPath manager with automatic load prioritization, a battery charger, an ideal diode, and a high efficiency synchronous buck-boost switching regulator.

Designed specifically for USB applications, the LTC3567’s switching power manager automatically limits input current to a maximum of either 100mA or 500mA for USB or 1A for adapter-powered applications.

Overview

LTC3567.

Key Features

  • High Efficiency USB Power Manager Plus 1A Buck-Boost Converter with I2C Control.

More Datasheets from Linear Technology (now Analog Devices)

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LTC3563 Synchronous Step-Down DC/DC Converter
LTC3564 Synchronous Step-Down Regulator
LTC3565 Synchronous Step-Down DC/DC Converter
LTC3566 High Effi ciency USB Power Manager Plus 1A Buck-Boost Converter
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LTC3569 Triple Buck Regulator