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LM2575SX-ADJ/NOPB Breakout
IC REG BUCK ADJ 1A TO263
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£7.35
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Design a Custom BoardAbout This Component
Adjustable step-down switching regulator with 1A output current in a TO-263 package. Features integrated 75Ω power switch, operates from 4-40V input, and requires minimal external components. Commonly used in battery-powered equipment, industrial controls, and embedded systems requiring regulated lower voltage rails from higher input supplies.
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 | Texas Instruments |
| Part Number | LM2575SX-ADJ/NOPB |
| Package | TO-263-2 |
| Pin Count | 3 |
| Current - Output | 1A |
| Frequency - Switching | 52kHz |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Topology | Buck |
| Voltage - Input (Max) | 40V |
| Voltage - Input (Min) | 4V |
| Voltage - Output (Max) |
What's Included
BILL OF MATERIALS
- 1x LM2575SX-ADJ/NOPB 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