text.skipToContent text.skipToNavigation


1.5V to 16V Input, 40A SWIFT™ Synchronous Step-Down Converter with AVSO and Diff. Remote Sense


Package | PIN: RVF | 40
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $9.73
10-24 $8.75
25-99 $8.18
100-249 $7.33
250-499 $6.84
500-749 $5.95
750-999 $5.15
1000+ $5.05


  • Conversion Input Voltage Range (PVIN): 1.5 V to 16 V
  • Input Bias Voltage (VDD) Range: 4.5 V to 22 V
  • Output Voltage Range: 0.6 V to 5.5 V
  • Integrated, 2.9-mΩ and 1.2-mΩ Power MOSFETs With 40-A Continuous Output Current
  • Voltage Reference 0.6 V to 1.2 V in 50-mV Steps Using VSEL Pin
  • ±0.5%, 0.9-VREF Tolerance Range: –40°C to +125°C Junction Temperature
  • True Differential Remote Sense Amplifier
  • D-CAP3™ Control Loop
  • Analog AVS Optimization via REFIN_TRK Pin
  • Adaptive On-Time Control with 4 Selectable Frequency Settings: 425 kHz, 650 kHz, 875 kHz, and 1.05 MHz
  • Temperature Compensated and Programmable Current Limit with RILIM and OC Clamp
  • Choice of Hiccup or Latch-Off OVP or UVP
  • VDD UVLO External Adjustment by Precision EN Hysteresis
  • Prebias Start-up Support
  • FCCM Mode During All Operation
  • Full Suite of Fault Protection and PGOOD
  • 7 mm × 5 mm × 1.5 mm, 40-Pin, Stack Clipped LQFN-CLIP Package
  • Create a Custom Design Using the TPS548D21 With the WEBENCH® Power Designer

All trademarks are the property of their respective owners.

Texas Instruments  TPS548D21RVFT

The TPS548D21 device is a compact single buck converter with adaptiveon-time, D-CAP3 mode control. It is designed for high accuracy, high efficiency, fast transientresponse, 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 2.9 mΩ and a low-side on-resistance of1.2 mΩ. The device also features accurate 0.5%, 0.9-V referencewith an ambient temperature range between –40°C and +125°C. Competitive features include: very lowexternal component count, accurate load regulation and line regulation, FCCMmode operation, and internal soft-start control.

The TPS548D21 device is available in 7-mm × 5-mm, 40-pin, LQFN-CLIP(RVF) package (RoHs exempt).