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

Oct 12, 2026

TPS563201 and TPS563208 are simple, easy-to-use 3A synchronous step-down converters in a SOT-23 (DDC) package, designed to minimize external component count while achieving low standby current. They use the D-CAP2 control scheme for fast transient response and support low-ESR output capacitors without external compensation. TPS563201 operates in pulse-skip mode and TPS563208 in continuous current mode, with wide 4.5V to 17V input and 0.76V to 7V output ranges.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages30

Reading Time1 h 16 min

AccessFree to download

1 Features

2 Applications

3 Description

4 Pin Configuration and Functions

5 Specifications

5.1 Absolute Maximum Ratings

5.2 ESD Ratings

5.3 Recommended Operating Conditions

5.4 Thermal Information

5.5 Electrical Characteristics

5.6 Typical Characteristics

6 Detailed Description

7 Application and Implementation

8 Device and Documentation Support

9 Revision History

10 Mechanical, Packaging, and Orderable Information

TPS563201, TPS563208 SLVSD90B – DECEMBER 2015 – REVISED SEPTEMBER 2024 TPS56320x 4.5V to 17V Input, 3A Synchronous Step-Down Voltage Regulator in SOT-23 1 Features • TPS563201 and TPS563208 3A converter integrated 95mΩ and 57mΩ FETs • D-CAP2 ™ control scheme with fast transient response • Input voltage range: 4.5V to 17V • Output voltage range: 0.76V to 7V • Pulse-skip mode (TPS563201) or continuous current mode (TPS563208) • 580kHz switching frequency • Low shutdown current less than 20µA • 2% feedback voltage accuracy (25°C) • Startup from prebiased output voltage • Cycle-by-cycle overcurrent limit • Hiccup-mode overcurrent protection • Non-latch UVP and TSD protections • Fixed soft start: 1.0ms • Create a custom design using the TPS56320x with the WEBENCH® Power Designer 2 Applications • Digital TV power supply • High definition Blu-ray ™ disc players • Networking home terminal • Digital Set Top Box (STB) • Surveillance CIN Copyright © 2017, Texas Instruments Incorporated Simplified Schematic 3 Description The TPS563201 and TPS563208 are simple, easy-touse, 3A synchronous step-down converters in SOT-23 package. The devices are designed to operate with minimum external component counts and also designed to achieve low standby current. These switch mode power supply (SMPS) devices employ D-CAP2 control scheme providing a fast transient response and supporting both low equivalent series resistance (ESR) output capacitors such as specialty polymer and ultra-low ESR ceramic capacitors with no external compensation components. The TPS563201 operates in pulse skip mode, which maintains high efficiency during light load operation. The TPS563201 and TPS563208 are available ina 6-pin 1.6mm × 2.9mm SOT (DDC) package, and specified from a –40°C to 125°C junction temperature. Device Information | PART NUMBER | MODE | PACKAGE(1) | PACKAGE
SIZE(2) | | --- | --- | --- | --- | | TPS563201 | ECO | DDC (SOT, 6) | 1.6mm × 2.9mm | | TPS563208 | FCCM | | | (1) (2) Efficiency For more information, see Section 10. The package size (length × width) is a nominal value and includes pins, where applicable. 0.001 0.005 0.02 0.05 0.1 0.2 0.5 1 2 3 Output Current (A) D023 TPS563201 Efficiency 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. Table of Contents 1 Features............................................................................ 1 2 Applications..................................................................... 1 3 Description....................................................................... 1 4 Pin Configuration and Functions...................................3 5 Specifications.................................................................. 4 5.1 Absolute Maximum Ratings........................................ 4 5.2 ESD Ratings............................................................... 4 5.3 Recommended Operating Conditions.........................4 5.4 Thermal Information....................................................5 5.5 Electrical Characteristics.............................................6 5.6 Typical Characteristics................................................ 7 6 Detailed Description...................................................... 10 6.1 Overview................................................................... 10 6.2 Functional Block Diagram......................................... 10 6.3 Feature Description...................................................10 6.4 Device Functional Modes.......................................... 12 7 Application and Implementation.................................. 13 7.1 Application Information............................................. 13 7.2 Typical Application................

FAQs

What input and output voltage ranges do the TPS563201 and TPS563208 support?

They support an input voltage range of 4.5V to 17V and an output voltage range of 0.76V to 7V.

How do TPS563201 and TPS563208 differ in operating mode?

TPS563201 operates in pulse-skip mode for high efficiency at light load, while TPS563208 operates in continuous current mode.

What protections and control features are included?

They include cycle-by-cycle overcurrent limiting with hiccup-mode overcurrent protection, non-latch UVP and TSD protections, and a D-CAP2 control scheme for fast transient response.

Oct 12, 2026

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