TPS51117 Datasheet Single Synchronous Step-Down Controller

Manufacturer: Texas Instruments

TPS51117 single synchronous step-down controller by Texas Instruments - Datasheet Preview

Datasheet Details

Part number	TPS51117
Manufacturer	Texas Instruments
File Size	1.32 MB
Description	Single Synchronous Step-Down Controller
Download	TPS51117 Download (PDF)

General Description

The TPS51117 device is a cost-effective, synchronous buck controller for POL voltage regulation in notebook PC applications.

The controller is dedicated for the operation of the Adaptive OnTime D-CAP mode.

This mode provides ease-of-use, low external component count, and fast transient response.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS51117 SLVS631C – DECEMBER 2005 – REVISED MAY 2015 TPS51117 Single Synchronous Step-Down Controller.

Key Features

1 High Efficiency, Low Power Consumption, 4.5-μA Typical Shutdown Current.
Fixed Frequency Emulated On-Time Control, Adjustable from 100 kHz to 550 kHz.
D-CAP™ Mode With 100-ns Load Step Response.
< 1% Initial Reference Accuracy.
Output Voltage Range: 0.75 V to 5.5 V.
Wide Input Voltage Range: 1.8 V to 28 V.
Selectable Auto-Skip/PWM-Only Operation.
Temperature Compensated (4500 ppm/°C) Low-Side RDS(on) Overcurrent Sensing.

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