Output Current (A)

0.001

0.005

0.02

0.05 0.1

0.2

0.5

1

2 3

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

D023

TPS563201

VIN

SW

GND

1

2

3

4

5

6

EN

VBST

EN

VFB

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TPS563201, TPS563208

SLVSD90 – DECEMBER 2015

TPS56320x 4.5-V to 17-V Input, 3-A Synchronous Step-Down Voltage Regulator in SOT-23

1 Features

3 Description

The TPS563201 and TPS563208 are simple, easy-to-

1

•

TPS563201 and TPS563208 3-A Converter

use, 3 A synchronous step-down converters in SOT-

Integrated 95-m

Ω and 57-mΩ FETs

23 package.

•

D-CAP2™ Mode Control with fast transient

The devices are optimized to operate with minimum

response

external component counts and also optimized to

•

Input Voltage Range: 4.5 V to 17 V

achieve low standby current.

•

Output Voltage Range: 0.76 V to 7 V

These switch mode power supply (SMPS) devices

•

Pulse-skip mode (TPS563201) or Continuous

employ D-CAP2 mode control providing a fast

Current Mode (TPS563208)

transient

response

and

supporting

both

low-

•

580-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

•

2% Feedback Voltage Accuracy (25 ºC)

components.

•

Startup from Pre-Biased Output Voltage

TPS563201 operates in pulse skip mode, which

•

Cycle-by-Cycle Overcurrent Limit

maintains high efficiency during light load operation.

•

Hiccup-mode Overcurrent Protection

The TPS563201 and TPS563208 are available in a 6-

pin 1.6-mm × 2.9-mm SOT (DDC) package, and

•

Non-Latch UVP and TSD Protections

specified

from

a

–40°C

to

125°C

junction

•

Fixed Soft Start: 1.0 ms

temperature.

2 Applications

Device Information(1)

•

Digital TV Power Supply

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

High Definition Blu-ray™ Disc Players

TPS563201

DDC (6)

1.60 mm × 2.90 mm

TPS563208

•

Networking Home Terminal

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

•

Digital Set Top Box (STB)

the end of the data sheet.

•

Surveillance

Simplified Schematic

TPS563201 Efficiency

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.