TMI3255S.pdf? 39mΩ/20mΩ Low RDS(ON) internal FETs
? High Efficiency Synchronous-Mode Operation
? Wide Input Range: 4.5V to 18V
? Feedback Voltage Accuracy 0.6V±1.5%
? 600kHz Switch Frequency Typical
? Up to 5A Output Current
? COT control to achieve fast transient responses
? Power Save Mode at Light Load
? Integrated internal compensation
? Stable with Low ESR Ceramic Output Capacitors
? Over Current Protection with Hiccup Mode
? Thermal Shutdown
? Inrush Current Limit and Soft Start
? Build in Input Over Voltage Protection
? Available in SOT23-6 Package
? Input Supply Voltage Range : 4.5V to 18V
? Output Current : 5A
? Advanced Constant On-Time (ACOTTM) Control for
Ultrafast Transient Response
? Steady Switching Frequency : 500kHz
Forced PWM Mode (RT6255B)
Pulse-Skipping Mode (PSM) at Light Load (RT6255A)
? Optimized for Low-ESR Ceramic Output Capacitors
? Programmable Output Voltage : 0.6V to 5V
? Internal 45mΩ Switch and 23mΩ Synchronous Rectifier
? Cycle-by-Cycle Current Limit Protection
? Internal Soft-Start (Typ 1.5ms) or Externally Adjustable,
Pre-biased Compatible Soft-Start
(Only for Option with SS Pin)
? Power Good Indicator (90%)
(Only for Option with PGOOD Pin)
? Output Under-Voltage Protection (UVP)
? Over-Temperature Protection (OTP)
? Input Under-Voltage Lockout (UVLO)
?Available in TSOT-23-6 (FC) and TSOT-23-8 (FC) Packages
