LTC4425 Datasheet PDF

FEATURES

n 50mΩ Ideal Diode from VIN to VOUT n Smart Charge Current Profile Limits Inrush Current n Internal Cell Balancer (No External Resistors) n Programmable Output Voltage (LDO Mode) n Programmable VIN to VOUT Current Limit n Continuous Monitoring of VIN to VOUT Current via PROG Pin n Low Quiescent Current: 20μA n VIN Power Fail, PGOOD Indicator n 2.45V/2.7V Cell Protection Shunts (4.9V/5.4V SuperCap Max Top-Off Voltage) n 3A Peak Current Limit, Thermal Limiting n Tiny Application Circuit, 3mm × 3mm × 0.75mm DFN and 12-Lead MSOP Packages

APPLICATIONS

n High Peak Power Battery/USB Powered Equipment n Industrial PDAs n Portable Instruments/Monitoring Equipment n Power Meters, SuperCap Backup Circuits n PC Card/USB Modems L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. LTC4425 Linear SuperCap Charger with Current-Limited Ideal Diode