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Home > Embedded ICs > Embedded - Microcontroller Unit (MCU) > TPS53353DQPR
Texas Instruments

TPS53353DQPR

TPS53353DQPR

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TPS53353DQPR Overview

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.

Features

  • 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

Specifications

Circuit Diagram

TPS53353DQPR

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