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TPS54331DDAR Breakout
IC REG BUCK ADJ 3A 8-SOIC
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£4.71
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Design a Custom BoardAbout This Component
Synchronous buck regulator with 3A peak output current and adjustable output voltage from 0.8V to 5.5V. Features integrated high-side and low-side MOSFETs, operates from 4.5V to 28V input, and includes current limit and thermal shutdown protection. Ideal for point-of-load power conversion in telecom, industrial, and automotive applications.
Package: SOIC-8-1EP (3.9×4.9mm, EP) · 8 pins
Why does this need a breakout?
8-pin SOIC with exposed pad is difficult to hand-solder reliably due to tight 1.27mm pitch and thermal management requirements. A breakout board brings pins to standard 0.1" spacing for breadboard prototyping while providing proper pad routing and thermal dissipation for audio amplifiers and gate drivers.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | TPS54331DDAR |
| Package | SOIC-8-1EP (3.9×4.9mm, EP) |
| 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) | 25V |
| Voltage - Output (Min/Fixed) | 0.8V |
What's Included
BILL OF MATERIALS
- 1x TPS54331DDAR 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