GND

SW

TPS562219

TPS563219

VIN

PG

1

2

3

4

VBST

EN

VFB

SS

8

7

6

5

EN

V = 50 mV / div (ac coupled)

O

Time = 200 µsec / div

I = 500 mA / div

O

Load step = 0.5 A - 1.5 A

Slew rate = 500 mA / µsec

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TPS562219, TPS563219

SLVSCM7A – FEBRUARY 2015 – REVISED AUGUST 2015

TPS56x219 4.5-V to 17-V Input, 2-A, 3-A Synchronous Step-Down Voltage Regulator

in 8 Pin SOT-23

1 Features

3 Description

The TPS562219 and TPS563219 are simple, easy-to-

1

•

TPS562219: 2-A Converter With Integrated

use, 2-A, 3 -A synchronous step-down converters in 8

133-m

Ω and 80-mΩ FETs

pin SOT-23 package.

•

TPS563219: 3-A Converter With Integrated

The devices are optimized to operate with minimum

68-m

Ω and 39-mΩ FETs

external component counts and also optimized to

•

D-CAP2™ Mode Control with 650-kHz Switching

achieve low standby current.

Frequency

These switch mode power supply (SMPS) devices

•

Input Voltage Range: 4.5 V to 17 V

employ D-CAP2™ mode control providing a fast

•

Output Voltage Range: 0.76 V to 7 V

transient

response

and

supporting

both

low

•

650-kHz Switching Frequency

equivalent series resistance (ESR) output capacitors

such as specialty polymer and ultra-low ESR ceramic

•

Low Shutdown Current Less than 10 µA

capacitors

with

no

external

compensation

•

1% Feedback Voltage Accuracy (25°C)

components.

•

Startup from Pre-Biased Output Voltage

The devices always operate in continuous conduction

•

Cycle By Cycle Overcurrent Limit

mode, which reduces the output ripple voltage in light

•

Hiccup-mode Under Voltage Protection

load compared to discontinuous conduction mode .

The TPS562219 and TPS563219 are available in a 8-

•

Non-latch OVP, UVLO and TSD Protections

pin 1.6 × 2.9 (mm) SOT (DDF) package, and

•

Adjustable Soft Start

specified from –40°C to 85°C of ambient temperature.

•

Power Good Output

Device Information(1)

2 Applications

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Digital TV Power Supply

TPS562219

DDF(8)

1.60 mm × 2.90 mm

TPS563219

•

High Definition Blu-ray Disc™ Players

•

Networking Home Terminal

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

the end of the datasheet.

•

Digital Set Top Box (STB)

4 Simplified Schematic

TPS562219 Transient Response

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.