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