Datasheet Linear Technology LTC3677EUFF-3#PBF — Datenblatt

LTC3677-3
Highly Integrated
Portable Product PMIC
Description Features Full Featured Li-Ion/Polymer Charger/PowerPathв„ў
Controller with Instant-On Operatio Triple Adjustable High Efficiency Step-Down
Switching Regulators (800mA, 500mA, 500mA IOUT)
n I2C Adjustable SW Slew Rates for EMI Reductio High Temperature Battery Voltage Reduction
Improves Safety and Reliability
n Overvoltage Protection Controller for USB (V
BUS)/Wall
Inputs Provide Protection to 30V
n 1.5A Maximum Charge Current with Thermal Limiting
n Battery Float Voltage: 4.2V
n Pushbutton ON/OFF Control with System Reset
n Dual 150mA Current Limited LDOs
n Start-Up Timing Compatible with SiRF Atlas IV
Processor
n Small 4mm Г— 7mm 44-Pin QFN Package
n Applications PNDs, DMB/DVB-H, Digital/Satellite Radio, Media Players
n Portable Industrial/Medical Products
n Other USB-Based Handheld Products
n The LTCВ®3677-3 is a highly integrated power management
IC for single-cell Li-Ion/Polymer battery applications. …