Features
▪ Wide input voltage range: 4.5V to 42V
▪ Adjustable output voltage: 0.8V to 90% of VIN
(limited by minimum off time)
▪ Up to 5A of continuous output current
▪ Default 400kHz switching frequency and
programmable switching frequency range from
200kHz to 800kHz
▪ ±1% Load regulation accuracy from -40°C to
125°C, ±0.5% Load regulation accuracy at 25°C
▪ 95µA typical quiescent current
▪ Internal compensation
▪ Internal 0.5ms soft-start in QFN
▪ External programmable soft-start (HTSSOP)
▪ PFM operation and DEM at light load
▪ Integrated external bias LDO
▪ Power-good indicator
▪ Integrated MOSFET rDS(ON) (typical): 70mΩ/25mΩ
(QFN); 115mΩ/40mΩ (TSSOP)
▪ Cycle-by-cycle peak and valley current limit
▪ Input voltage UVLO and output voltage
undervoltage (short-circuit) protection
▪ Thermal Shutdown
▪ Available in 20 Ld QFN 4mm × 3.5mm and 16 Ld
HTSSOP packages