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LM2576S-5.0 Breakout
IC REG BUCK 3A 5V TO263-5L
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£5.35
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Design a Custom BoardAbout This Component
Monolithic step-down switching regulator with 3A output capacity and fixed 5V output. Features 52kHz fixed-frequency oscillator, ±4% output voltage tolerance, wide 40V input range, and requires minimal external components. Includes cycle-by-cycle current limiting, thermal shutdown, and TTL shutdown capability for efficient DC-DC conversion applications.
Package: TO-263-2 · 3 pins
Why does this need a breakout?
This SMD package requires a breakout board to interface with breadboards and standard prototyping layouts. The three-pin configuration with large copper pad underneath demands reflow soldering or careful hand-soldering to avoid cold joints, making a breakout board with standard 0.1" headers essential for reliable connections. Ideal for power regulators and MOSFETs where thermal performance and ease of iteration matter.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | UMW |
| Part Number | LM2576S-5.0 |
| Package | TO-263-2 |
| Pin Count | 3 |
| Current - Output | 3A |
| Frequency - Switching | 52kHz |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Output Type | Fixed |
| Topology | Buck |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Max) | 5V |
What's Included
BILL OF MATERIALS
- 1x LM2576S-5.0 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