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LTC4090

Part Number	LTC4090
Manufacturer	Linear Technology Corporation
Description	USB Power Manager
Published	Jan 11, 2009
Detailed Description	FEATURES n Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V Supply (60V Max) n 2A Output Hi...
Datasheet	LTC4090 PDF File

Overview

FEATURES n Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V Supply (60V Max) n 2A Output High Voltage Buck Regulator with Bat-Track™ Adaptive Output Control (LTC4090) n Internal 215mW Ideal Diode Plus Optional External Ideal Diode Controller Provides Low Loss PowerPath™ When External Supply/ USB Not Present n Load Dependent Charging from USB Input Guarantees Current Compliance n Full Featured Li-Ion Battery Charger n 1.
5A Maximum Charge Current with Thermal Limiting n NTC Thermistor Input for Temperature Qualified Charging n Tiny (3mm × 6mm × 0.
75mm) 22-Pin DFN Package APPLICATIONS n HDD-Based Media Players n Personal Navigation Devices n Other USB-Based Handheld...

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