TPS53219A

1

2

3

4

12

11

10

TRIP

EN

VFB

RF

SW

DRVL

VDRV

5

9

MODE

VREG

6

VDD

7

GND

8

PGND

16

PGOOD

15

NC

14

VBST

13

DRVH

UDG-11273

CSD86350

VIN

VIN

TG

TGR

SW

SW

SW

BG

PGND

Pad

VREG

EN

VDD

Product

Folder

Sample &

Buy

Technical

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Tools &

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Reference

Design

TPS53219A

SLUSAU4A – DECEMBER 2011 – REVISED DECEMBER 2015

TPS53219A Wide Input Voltage, Eco-Mode™, Single Synchronous Step-Down Controller

1 Features

2 Applications

1

•

Conversion Input Voltage Range: 3 V to 28 V

•

Storage Computers

•

VDD Input Voltage Range: 4.5 V to 25 V

•

Server Computers

•

Output Voltage Range: 0.6 V to 5.5 V

•

Multi-Function Printers

•

Wide Output Load Range: 0 A to > 20 A

•

Embedded Computing

•

Built-In 0.6-V (±0.8%) Reference

3 Description

•

Built-In LDO Linear Voltage Regulator

The TPS53219A device is a small-sized single buck

•

Auto-Skip Eco-Mode™ for Light-Load Efficiency

controller

with

adaptive

ON-time

D-CAP

mode

•

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

control. The device is suitable for low output voltage,

high current, PC system power rail and similar point-

•

Adaptive ON-Time Control Architecture with 8

of-load (POL) power supplies in digital consumer

Selectable Frequency Settings

products. The small package and minimal pin-count

•

save space on the PCB, while the dedicated EN pin

•

0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms Selectable

and pre-set frequency selections simplify the power

Internal Voltage Servo Soft-Start

supply design. The skip-mode at light load conditions,

•

Pre-Charged Start-Up Capability

sensing supports low-loss and high efficiency, over a

•

Built-In Output Discharge

broad load range. The conversion input voltage (high-

•

Open-Drain Power Good Output

side FET drain voltage) range is between 4.5 V and

25 V, and the output voltage range is between 0.6 V

•

Integrated Boost Switch

and 5.5 V. The TPS53219A is available in a 16-pin,

•

Built-In OVP/UVP/OCP

QFN package specified from –40°C to 85°C.

•

Thermal Shutdown (Non-Latch)

•

3-mm × 3-mm QFN, 16-Pin (RGT) Package

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

TPS53219A

QFN (16)

3.00 mm × 3.00 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Schematic

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.