TPS563201

ACTIVE

4.5 V to 17 V input, 3 A output, synchronous step-down converter in Eco-mode

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Product details

Parameters

Vin (Min) (V) 4.5 Vin (Max) (V) 17 Vout (Min) (V) 0.76 Vout (Max) (V) 7 Iout (Max) (A) 3 Iq (Typ) (uA) 400 Switching frequency (Min) (kHz) 580 Switching frequency (Max) (kHz) 580 Features Enable, Light Load Efficiency, Synchronous Rectification, Soft Start Fixed Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

SOT-23-THN (DDC) 6 5 mm² 2.9 x 1.6 open-in-new Find other Buck converters (integrated switch)

Features

  • TPS563201 and TPS563208 3-A Converter
    Integrated 95-mΩ and 57-mΩ FETs
  • D-CAP2™ Mode Control with fast transient
    response
  • Input Voltage Range: 4.5 V to 17 V
  • Output Voltage Range: 0.76 V to 7 V
  • Pulse-skip mode (TPS563201) or Continuous
    Current Mode (TPS563208)
  • 580-kHz Switching Frequency
  • Low Shutdown Current Less than 10 µA
  • 2% Feedback Voltage Accuracy (25°C)
  • Startup from Pre-Biased Output Voltage
  • Cycle-by-Cycle Overcurrent Limit
  • Hiccup-mode Overcurrent Protection
  • Non-Latch UVP and TSD Protections
  • Fixed Soft Start: 1.0 ms
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Description

The TPS563201 and TPS563208 are simple, easy-to-use, 3 A synchronous step-down converters in SOT-23 package.

The devices are optimized to operate with minimum external component counts and also optimized to achieve low standby current.

These switch mode power supply (SMPS) devices employ D-CAP2 mode control 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.

TPS563201 operates in pulse skip mode, which maintains high efficiency during light load operation. The TPS563201 and TPS563208 are available in a 6-pin 1.6-mm × 2.9-mm SOT (DDC) package, and specified from a –40°C to 125°C junction temperature.

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Technical documentation

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Type Title Date
* Data sheet TPS56320x 4.5-V to 17-V Input, 3-A Synchronous Step-Down Voltage Regulator in SOT-23 datasheet Dec. 01, 2015
User guide TPS563201 Step-Down Converter Evaluation Module User's Guide (Rev. A) Jul. 08, 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) Apr. 08, 2021
Technical article Understanding and managing buck regulator output ripple Jun. 18, 2020
Technical article Advantages of scalability: from Peter Parker to pin-strapping Apr. 30, 2020
Application note The Stability of a D-CAP2TM Converter with Different Kinds of Capacitors Dec. 01, 2019
Technical article Options for reducing the MLCC count for DC/DC switching regulators Sep. 17, 2019
Technical article Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Application note SOT23 Package Thermal Consideration Mar. 02, 2018
Application note Optimize DC-DC Layout for SOT Package to Improve Thermal and Voltage Spike Sep. 27, 2017
Application note Understanding Eco-mode(TM) Operation Dec. 05, 2016
Application note Space Optimized, “Clam Shell” Layout for Step-Down DC/DC Converters Oct. 31, 2016
Application note D-CAP2 Frequency Response Model, based on frequency domain analysis of Fixed On- Jan. 02, 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
49
Description

The TPS563201 is a single, adaptive on-time, D-CAP2™ mode, synchronous buck converter requiring a very low external component count. The D-CAP2 control circuit is optimized for low-ESR output capacitors such as POSCAP, SP-CAP, or ceramic types and features fast transient response with no (...)

Features
  • Supports  5 V, 12 V and 15 V  power bus
  • Synchronous Buck Converter with integrated FETs
  • DCAP2 Control
  • Internal Soft Start
  • 3 A Output Current

Design tools & simulation

SIMULATION MODEL Download
SLVMBD1B.ZIP (100 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

Reference designs

REFERENCE DESIGNS Download
Backlight and LCD Bias Reference Design for 90-Hz Refresh-Rate Virtual/Augmented Reality Displays
TIDA-01635 — This reference design describes the power solution for LCD displays in wearable devices, especially in augmented-reality (AR) and virtual reality (VR) headsets. The high current accuracy backlight driver is achieved by LP8556, which provides high current during small duty cycle synchronized with (...)
document-generic Schematic
REFERENCE DESIGNS Download
Ultra-low Stand-by Power, High-efficiency, DC-DC Power Supply Reference Design for Set-top Box
PMP21065 The PMP21065 Reference design operates off a typical 12V DC input to produce several common rails seen in set top boxes today. The key objectives of the design are to be low-cost, small in size and low stand-by power with high efficiency to help customers meet compliance to new regulatory guidelines (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
SOT-23-THIN (DDC) 6 View options

Ordering & quality

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  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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