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TPS568215 - 8-A Synchronous Step-Down SWIFT Converter

General Description

• Integrated 19-mΩ and 9.4-mΩ MOSFETs • Selectable FSW of 400 kHz, 800 kHz, and 1.2 MHz • Adjustable current limit settings with hiccup re-start • 0.6-V ±1% reference voltage across full temperature range • Optional external 5-V bias support for enhanced efficiency • D-CAP3™ control mode for fast transient response • Selectable forced continuous conduction mode (FCCM) for tight output voltage ripple or autoskipping Eco-mode™ for high light-load efficiency • 0.6-V to 5.5-V output voltage range • Supports all ceramic capacitors • Monotonic start-up into pre-biased outputs • Adjustable soft start with a default 1-ms soft-start time • –40°C to 150°C operating junction temperature • Small 3.5-mm × 3.5-mm HotRod™ QFN package • Pin-to-pin compatible with 8-A TPS568231 and 12-A TPS56C231 and TPS56C215 • Supported at the WEBENCH® design center 2 Applications • Server and storage • Set top box, high-end DTV • Telecom and networking, point-of-load (POL) • IPCs, factory automation The TPS568215 is TI's smallest, monolithic, 8-A, synchronous buck converter with an adaptive ontime D-CAP3™ control mode.

The device integrates low RDS(on) power MOSFETs that enable high efficiency and offers ease-of-use with minimum external component count for space-conscious power systems.

Overview

TPS568215 SLVSDI8C – OCTOBER 2016 – REVISED AUGUST 2023 TPS568215 4.

Key Features

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