600kHz, 18V, 5A Synchronous COT Step-Down Converter, TMI3255S Replace RT6254.
FEATURES

• 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

PIN CONFIGUTION
优势替代
RT6254 RT6254.pdf

No.13864

FEATURES

• 4.5V to 18V Input Voltage Range

• 4A Output Current

• Constant-on-Time Mode to Enables Fast Transient Response

• Low Output Ripple and Allows Ceramic Output Capacitor

• 500kHz Switching Frequency

• High Efficient Internal Power MOSFET Switch

   Optimized for Lower Duty Cycle Applications

• Integrated 48mΩ/25mΩ MOSFETs

• Adjustable Output Voltage from 0.6V to 5V

• Internal Soft-Start (1.5ms typ.)

• Built-In UVP/OTP

• Power Good Indicator (90%)

• Input Under Voltage Lockout

• TSOT-23-6 (FC) and TSOT-23-8 (FC) Packages


PIN CONFIGUTION
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