TMI3252.pdf• 140mΩ/70mΩ Low RDS(ON) internal FETs
• High Efficiency Synchronous-Mode Operation
• Wide Input Range:4.5V to 18V
• Output Voltage from
0.8V(TMI3252)
0.6V(TMI3252S)
0.756(TMI3252T)
• 600kHz Switch Frequency
• Up to 2A 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
• 2A Converter Integrated 140m and 84m FETs
• Input Supply Voltage Range : 4.5V to 17V
• Maximum Output Voltage Range : 7V
• Advanced Constant On-Time (ACOTTM) Control
Ultrafast Transient Response
Optimized for Low-ESR Ceramic Output Capacitors
• High Accuracy Feedback Reference Voltage : Typ.±1%
• Optional for Operation Modes :
Automatically Power Saving Mode (PSM)(RT6252A)
Forced PWM Mode (RT6252B)
• Fixed Switching Frequency : 580kHz
• Enable Control and Internally Fixed Soft-Start
• Safe Start-Up from Pre-biased Output
• Input Under-Voltage Lockout (UVLO)
• Output Under-Voltage Protection (UVP) with Hiccup Mode
• High- /Low-side MOSFET OCP and OTP Function
• RoHS Compliant and Halogen Free
