TPS51218 Datasheet PDF

●DESCRIPTION

●The TPS51218 is a small-sized single buck controller with adaptive on-time D-CAP™ mode. The device is suitable for low output voltage, high current, PC system power rail and similar point-of-load (POL) power supply in digital consumer products.

●FEATURES

●• Wide Input Voltage Range: 3 V to 28 V

●• Output Voltage Range: 0.7 V to 2.6 V

●• Wide Output Load Range: 0 to 20A+

●• Built-in 0.5% 0.7 V Reference

●• D-CAP™ Mode with 100-ns Load Step Response

●• Adaptive On Time Control Architecture With 4 Selectable Frequency Setting

●• 4700 ppm/°C RDS(on) Current Sensing

●• Internal 1-ms Voltage Servo Softstart

●• Pre-Charged Start-up Capability

●• Built in Output Discharge

●• Power Good Output

●• Integrated Boost Switch

●• Built-in OVP/UVP/OCP

●• Thermal Shutdown (Non-latch)

●• SON-10 (DSC) Package

●APPLICATIONS

●• Notebook Computers

●• I/O Supplies

●• System Power Supplies