TPS51211 - Texas Instruments

TPS51211 Single Synchronous Step-Down Controller

The TPS51211 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. A small package with minimal pin-count saves space on the PCB, while a dedicated EN pin and pre-set frequency minim.

Features

1
•2 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
• 290-kHz, Adaptive On-Time D-CAP™ MODE Control
• 4700 ppm/°C RDS(on) Current Sensing
• Internal 1-ms Voltage Servo Soft-start
• 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 DESCRIPTION The TPS51211 is a small-sized single buck controller.