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TPS53353

AKTIV

Hocheffizienter 1,5 bis 15 V, 20-A-SWIFT™ Synchron-Abwärtswandler mit Eco-Mode™

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open-in-new Alternativen vergleichen
Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung.
TPS54KB20 AKTIV Synchroner 25-A-Abwärtswandler (4-V- bis 16-V-Eingang) mit differentieller Fernerfassung Optimized for higher current in a smaller form factor
TPS548B23 AKTIV Synchroner Abwärtswandler, 4 V bis 16 V Eingangsspannung, 20 A Higher efficiency in a smaller package

TPS53353

AKTIV
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Produktdetails

Rating Catalog Topology Buck Iout (max) (A) 20 Vin (max) (V) 15 Vin (min) (V) 1.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Adjustable current limit, Enable, Forced PWM, Light-load efficiency, Overcurrent protection, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, UVLO Fixed Control mode D-CAP Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00032 Duty cycle (max) (%) 90
Rating Catalog Topology Buck Iout (max) (A) 20 Vin (max) (V) 15 Vin (min) (V) 1.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Adjustable current limit, Enable, Forced PWM, Light-load efficiency, Overcurrent protection, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, UVLO Fixed Control mode D-CAP Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00032 Duty cycle (max) (%) 90
LSON-CLIP (DQP) 22 30 mm² (6 mm × 5 mm)
  • New product available: TPS548B28 16-V, 20-A synchronous-buck converter with remote sense
  • Conversion input voltage range: 1.5 V to 15 V
  • VDD input voltage range: 4.5 V to 25 V
  • 92% efficiency from 12 V to 1.5 V at 20 A
  • Output voltage range: 0.6 V to 5.5 V
  • 5-V LDO output
  • Supports single-rail input
  • Integrated power MOSFETs with 20 A of continuous output current
  • Auto-skip Eco-mode™ for light-load efficiency
  • < 10-µA shutdown current
  • D-CAP™ mode with fast transient response
  • Selectable switching frequency from 250 kHz to 1 MHz with external resistor
  • Selectable auto-skip or PWM-only operation
  • Built-in 1% 0.6-V reference
  • 0.7-ms, 1.4-ms, 2.8-ms, and 5.6-ms selectable internal voltage servo soft start
  • Integrated boost switch
  • Precharged start-up capability
  • Adjustable overcurrent limit with thermal compensation
  • Overvoltage, undervoltage, UVLO, and overtemperature protection
  • Supports all ceramic output capacitors
  • Open-drain power-good indication
  • Incorporates NexFET™ power block technology
  • 22-pin QFN package with PowerPAD™
  • For SWIFT™ power products documentation, see http://www.ti.com/swift
  • New product available: TPS548B28 16-V, 20-A synchronous-buck converter with remote sense
  • Conversion input voltage range: 1.5 V to 15 V
  • VDD input voltage range: 4.5 V to 25 V
  • 92% efficiency from 12 V to 1.5 V at 20 A
  • Output voltage range: 0.6 V to 5.5 V
  • 5-V LDO output
  • Supports single-rail input
  • Integrated power MOSFETs with 20 A of continuous output current
  • Auto-skip Eco-mode™ for light-load efficiency
  • < 10-µA shutdown current
  • D-CAP™ mode with fast transient response
  • Selectable switching frequency from 250 kHz to 1 MHz with external resistor
  • Selectable auto-skip or PWM-only operation
  • Built-in 1% 0.6-V reference
  • 0.7-ms, 1.4-ms, 2.8-ms, and 5.6-ms selectable internal voltage servo soft start
  • Integrated boost switch
  • Precharged start-up capability
  • Adjustable overcurrent limit with thermal compensation
  • Overvoltage, undervoltage, UVLO, and overtemperature protection
  • Supports all ceramic output capacitors
  • Open-drain power-good indication
  • Incorporates NexFET™ power block technology
  • 22-pin QFN package with PowerPAD™
  • For SWIFT™ power products documentation, see http://www.ti.com/swift

TPS53353 is a D-CAP™ mode, 20-A synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and space-conscious power systems.

This device features 5.5-mΩ / 2.2-mΩ integrated MOSFETs, accurate 1%, 0.6-V reference, and integrated boost switch. A sample of competitive features include: a conversion input voltage range from 1.5 V to 15 V, very low external component count, D-CAP™ mode control for super fast transient, auto-skip mode operation, internal soft-start control, selectable frequency, and no need for compensation.

The conversion input voltage ranges from 1.5 V to 15 V, the supply voltage range is from 4.5 V to 25 V, and the output voltage range is from 0.6 V to 5.5 V.

The device is available in 5-mm × 6-mm, 22-pin QFN package and is specified from –40°C to 85°C.

The TPS548B28 is a newer 20A device designed for data center applications with a smaller, Pb-free package.

TPS53353 is a D-CAP™ mode, 20-A synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and space-conscious power systems.

This device features 5.5-mΩ / 2.2-mΩ integrated MOSFETs, accurate 1%, 0.6-V reference, and integrated boost switch. A sample of competitive features include: a conversion input voltage range from 1.5 V to 15 V, very low external component count, D-CAP™ mode control for super fast transient, auto-skip mode operation, internal soft-start control, selectable frequency, and no need for compensation.

The conversion input voltage ranges from 1.5 V to 15 V, the supply voltage range is from 4.5 V to 25 V, and the output voltage range is from 0.6 V to 5.5 V.

The device is available in 5-mm × 6-mm, 22-pin QFN package and is specified from –40°C to 85°C.

The TPS548B28 is a newer 20A device designed for data center applications with a smaller, Pb-free package.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS53353 High-Efficiency 20-A Synchronous Buck SWIFT™ Converter With Eco-mode™ datasheet (Rev. D) PDF | HTML 08.04.2021
Application brief Detailed Comparison Between TPS54KB20 Family and TPS53353 Family PDF | HTML 03.09.2024
Anwendungshinweis Measuring the Bode Plot of D-CAP™, D-CAP2™, and D-CAP3™ DC/DC Converters (Rev. A) PDF | HTML 21.04.2023
Whitepaper Power solution options for data center applications (Rev. A) 27.02.2020
Auswahlhilfe SWIFT DC/DC Converters Selector Guide (Rev. G) 06.02.2019
Anwendungshinweis DC/DC Point-of-load Power Solutions for Wired Networking Switch Systems 11.12.2018
Anwendungshinweis Minimizing Switching Ringing at TPS53355 and TPS53353 Family Devices (Rev. A) 14.11.2018
Anwendungshinweis Analysis and Design of Input Filter for DC-DC Circuit 27.11.2017
Anwendungshinweis Calculating Output Capacitance to Meet Transient and Ripple Requirements 02.05.2017
Anwendungshinweis Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev 25.01.2017
Anwendungshinweis SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 22.02.2016
Anwendungshinweis TPS53319 DCAP Mode with Ripple Injection Modeling Design Consideration 23.10.2014
Anwendungshinweis D-CAP(TM) Mode With All-Ceramic Output Capacitor Application 03.02.2011

Design und Entwicklung

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Evaluierungsplatine

TPS53353EVM-744 — Hocheffizienter 20-A-Synchron-Abwärtswandler mit Eco-Mode-Steuerungsschema – Evaluierungsmodul

The TPS53353EVM-744 is designed to help the user easily evaluate and test the operation and functionality of the TPS53353 buck converter. The EVM converts a 1.5-V to 15-V input voltage to a regulated 1.5-V output voltage that delivers up to 20 A in a 5-mm x 6-mm QFN package. This board includes (...)

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TPS53353 Unencrypted PSpice Transient Model Package (Rev.A) (Rev. B)

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