LTC3677-3 - Highly Integrated Portable Product PMIC

Features
  • Full Featured Li-Ion/Polymer Charger/PowerPath™ Controller with Instant-On Operation
  • 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
  • 1.5A Maximum Charge Current with Thermal Limiting
  • Battery Float Voltage: 4.2V
  • 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
Typical Application

Applications
  • PNDs, DMB/DVB-H, Digital/Satellite Radio, Media Players
  • Portable Industrial/Medical Products
  • Other USB-Based Handheld Products
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC3677EUFF-3#PBF4x7 QFN-44E$6.96$4.58
LTC3677EUFF-3#TRPBF4x7 QFN-44E$4.64
Datasheet
Reliability Data
Related Product
LTC3677-3 - Highly Integrated Portable Product PMIC
R457 - Reliability Data
LTC3677-3 Footprints and Symbols