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TPS54331DR
IC REG BUCK ADJ 3A 8-SOIC
Texas Instruments
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Design a Custom BoardAbout This Component
Synchronous buck converter with adjustable output voltage from 0.8V to 5.5V and 3A continuous current capability. Operates from 4.5V to 18V input with integrated high and low-side MOSFETs. Suitable for automotive, industrial, and consumer power supply applications requiring compact form factor and high efficiency.
Package: SOIC-8 (3.9×4.9mm) · 8 pins
Why does this need a breakout?
An 8-pin SOIC with 1.27mm pitch is too fine for breadboards and hand-soldering without a microscope. A breakout board routes these pins to standard 0.1" headers, enabling rapid prototyping and reliable connections for op-amps, transceivers, and small power MOSFETs without requiring reflow equipment.
Specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | TPS54331DR |
| Package | SOIC-8 (3.9×4.9mm) |
| Pin Count | 8 |
| Current - Output | 3A |
| Frequency - Switching | 570kHz |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Topology | Buck |
| Voltage - Input (Max) | 28V |
| Voltage - Input (Min) | 3.5V |
| Voltage - Output (Max) |
What's Included
BILL OF MATERIALS
- 1x TPS54331DR soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS
WIDTH
< 0.9" (straddles breadboard)
PITCH
2.54mm standard
SOLDER
Lead-free, reflow assembled
FINISH
FR4, lead-free HASL