HT71782
Overview
The HT71782 is a high-power density, fully integrated synchronous boost converter with a 16mΩ power switch and a 18mΩ rectifier switch to provide a high efficiency and small size solution in portable systems. The HT71782 has wide input voltage range from 2.7 V to 20V to support applications with single cell and two cell Lit.
- Input voltage range VIN: 2.7V to 20V
- Output voltage range VOUT: 4.5V to 20V
- Programmable switch peak current limit: up to 15A
- High Efficiency 93% (VIN = 7.4V, VOUT=15.5V, IOUT =1.5A)
- 2 modulation mode available: PFM or FPWM mode at light load
- Two modes of with fast or slow tr/tf for EMI solution
- 1.0μA current consumption during shutdown
- Adjustable switching frequency: 200k to 1.0MHz
- Programmable soft start
- Output overvoltage protection (at 22V), cycle-bycycle overcurrent protection, thermal shutdown protection
