Features

• Robust Constant On Time (RCOTTM) Control

with fast transient response

• Input Voltage Range: 2.85V to 16V with

external bias, or 4V to 16V with internal bias

• Output Voltage Range: 0.6V to 5.5V for

RS53319L, 0.9V to 5.5V for RS53319H. 90%

max duty cycle

• 20A continuous output current

• Excellent load and line regulations with 0.5%

voltage accuracy

• Differential Remote Sensing

• Mode Selection Between Pulse Skip and CCM

at Light Load

• Programmable soft-start time

• 1.0μA Current into VIN Pin during Shutdown

• Programmable Switch Valley Current Limit

• Adjustable Switching Frequency: 600kHz,

800kHz, 1000kHz and 2.2MHz

• Non-latch OCP, UVP, UVLO and OTP. Latchoff

OVP

• 3mm x 4mm 21-Pin QFN Package

• RoHS compliant and Green