Description

SEPIC/Boost Converter with 2A, 70V Switch, 9A Quiescent Current, POR and Watchdog Timer Features: Wide Input Voltage Range of ~1V to 60V (2.5V to 32V for Start-Up) Low Ripple Burst Mode® Operation 9μA IQ at 12VIN to 5.0VOUT Output Ripple (<10mV Typ.) Dual Supply Pins: Improves Efficiency Reduces Minimum Supply Voltage to ~1V after Start-Up to Extend Battery Life Integrated 2A/70V Power Switch Programmable Watchdog Timer Can Operate When VIN Supply Is Removed Programmable Power-On Reset Timer (POR) with RST Functional for Input Supply Down to 1.3V FMEA Fault Tolerant in TSSOP Package Fixed Frequency PWM, SEPIC/BOOST/FLYBACK Topologies Programmable Switching Frequency: 250kHz to 1.5MHz UVLO Programmable on SWEN and RSTIN Pins Soft-Start Programmable with One Capacitor Small 20-Lead QFN or 20-Lead TSSOP Packages