LTC3577-4 Datasheet (PDF) Download
Linear Technology
LTC3577-4

Description

The LTC®3577-3/LTC3577-4 are highly integrated power management ICs for single cell Li-Ion/Polymer battery applications. It includes a PowerPath manager with automatic load prioritization, a battery charger, an ideal diode, input overvoltage protection and numerous other internal protection features.

Key Features

  • Triple Adjustable High Efficiency Step-Down Switching Regulators (800mA, 500mA, 500mA IOUT)
  • I2C Adjustable SW Slew Rates for EMI Reduction
  • High Temperature Battery Voltage Reduction Improves Safety and Reliability
  • Overvoltage Protection Controller for USB (VBUS)/Wall Inputs Provide Protection to 30V
  • Pushbutton ON/OFF Control with System Reset
  • Dual 150mA Current Limited LDOs
  • Start-Up Timing compatible with SiRF Atlas IV Processor
  • Small 4mm × 7mm 44-Pin QFN Package