TPS53915RVER

1 Features

• Integrated 13.8– and 5.9-mΩ MOSFETs Support 12-A Continuous Output Current

• Adjustments Available Through PMBus™SWIFT™ – Voltage Margin and Adjustment

– Soft-Start Time

– Power-On Delay

– VDD UVLO Level

– Fault Reporting

– Switching Frequency

• Supports All Ceramic Output Capacitors

• Reference Voltage 600 mV ±0.5% Tolerance

• Output Voltage Range: 0.6 V to 5.5 V 

• D-CAP3™ Control Mode With Fast Load-Step Response

• Auto-Skipping Eco-Mode™ for High Light-Load Efficiency

• FCCM for Tight Output Ripple and Voltage Requirements

• Eight Selectable Frequency Settings from 200 kHz to 1 MHz

• 3.5 mm × 4.5 mm, 28-Pin, QFN Package

• Server and Cloud-Computing Point-of-Load (POL) Products

• Broadband, Networking, and Optical Communications Infrastructure

• I/O Supplies

• Supported at the WEBENCH™ Design Center

3 Description

The TPS53915 is a small-sized, synchronous buck converter with an adaptive on-time D-CAP3 control

mode. The device offers ease-of-use and low external-component count for space-conscious power

systems.

This device features high-performance integrated MOSFETs, accurate 0.5% 0.6-V reference, and an integrated boost switch. Competitive features include very-low external-component count, fast loadtransient response, auto-skip mode operation, internal soft-start control, and no requirement for compensation. The device also features programmability and fault report via PMBus™ to simplify the power supply design.

A forced continuous conduction mode helps meet tight voltage regulation accuracy requirements for performance DSPs and FPGAs. The TPS53915 is available in a 28-pin QFN package and is specified from –40°C to 85°C ambient temperature.

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