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Specifications
Part NumberTPS5401
ManufacturerTexas Instruments
TypeStep-Down DC/DC Converter
Input Voltage5.5–36 V
Output Voltage1.22 V – Vin adj
Output Current1 A
Switching Freq500 kHz
PackageSOT-23-5
Operating Temp−40°C to +125°C
Efficiency~87% at 5V/1A
RoHSYes
Vin5.5–36 V
Vout1.22–36 V
Iout1 A
Fsw500 kHz
Quiescent75 µA
ENEnable pin
FBFeedback / voltage set
BootstrapSingle cap bootstrap
Part NumberTPS5401
Orderable Qty1 pcs – 10,000+ pcs
Price (1–9 pcs)Contact for quote
Price (10–99 pcs)Contact for quote
Price (100–499 pcs)Contact for quote
Price (500+ pcs)Best pricing available
Lead Time (stock)3–7 business days
PackagingTray / Tape & Reel (T&R)
Export ControlEAR99 (No license required)
Product Description

The TPS5401 is a 1A Wide-Vin Buck · 5.5–36V · SOT-23-5 · TI Light Load from Texas Instruments, widely used in UAV and drone applications.

This component is a popular choice among drone engineers for its reliability, performance, and industry ecosystem support. UAVCHIP maintains stock of TPS5401 for rapid global fulfillment.

Key Features

  • Part Number: TPS5401
  • Manufacturer: Texas Instruments
  • Type: Step-Down DC/DC Converter
  • Input Voltage: 5.5–36 V
  • Output Voltage: 1.22 V – Vin adj
  • Output Current: 1 A
UAV Applications
3.3V Rail
Compact 3.3V from 4S LiPo flight controller
Sensor Power
Regulated 3.3V for GPS/IMU supply
AIO Board
Tiny 1A converter for whoop AIO board design
GNSS Module
GNSS module supply from 5V USB
Similar Products (Power Management IC)

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