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Home > Embedded ICs > Embedded - Microcontroller Unit (MCU) > TPS548B22RVFR
Texas Instruments

TPS548B22RVFR

TPS548B22RVFR

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TPS548B22RVFR Overview

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Description

The TPS548B22 device is a compact single buck converter with adaptive on-time,D-CAP3 mode control. It is designed for high accuracy, high efficiency, fast transient response,ease-of-use, low external component count, and space-conscious power systems.

This device features full differential sense, TI integrated FETs with a high-sideon-resistance of 4.1mΩ and a low-side on-resistance of 1.9 mΩ. The device alsofeatures accurate 0.5%, 0.9-V reference with an ambient temperature range between –40°C and +125°C.Competitive features include: very low external component count, accurate load regulation and lineregulation, output voltage setpoint accuracy, auto-skip or FCCM mode operation, and internalsoft-start control.

The TPS548B22device is available in 7 mm × 5 mm, 40-pin, LQFN-CLIP (RVF) package (RoHs exempt).

Features

  • Conversion Input Voltage Range (PVIN): 1.5 V to 18V
  • Input Bias Voltage (VDD) Range: 4.5 V to 22 V
  • Output Voltage Range: 0.6 V to 5.5 V
  • Integrated, 4.1-mΩand 1.9-mΩ Power MOSFETs With 25-A Continuous Output Current
  • Voltage Reference0.6 V to 1.2 V in 50-mV Steps Using VSEL Pin
  • ±0.5%,0.9-VREF Tolerance Range: –40°C to +125°C JunctionTemperature
  • True Differential Remote Sense Amplifier
  • D-CAP3? Control Loop to Support Large Bulk Capacitors and/or SmallMLCCs Without External Compensation
  • Adaptive On-Time Control With 4 SelectableFrequency Settings: 425 kHz, 650 kHz, 875 kHz and 1.05 MHz
  • Temperature Compensated and with Programmable Positive and Negative Current Limitand OC Clamp
  • Choice of Hiccup or Latch-Off OVP or UVP
  • VDDUVLO External Adjustment by Precision EN Hysteresis
  • Prebias Start-upSupport
  • Eco-Mode and FCCM Selectable
  • Full Suite of FaultProtection and PGOOD
  • 7 mm × 5 mm × 1.5 mm, 40-Pin, Stack Clipped LQFN-CLIP Package

Specifications

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