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LM1117MPX-ADJ/NOPB Breakout
IC REG LIN ADJ 800MA SOT-223
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Design a Custom BoardAbout This Component
The LM1117 is an adjustable low-dropout linear regulator capable of delivering 800 mA with a 1.2 V dropout at full load. Output voltage is programmable from 1.25 V to 13.8 V using two external resistors, with ±1% accuracy guaranteed by a Zener-trimmed bandgap reference. Includes current limiting and thermal shutdown protection; commonly used in industrial power supplies, servo drives, and network equipment.
Package: SOT-223-3 · 3 pins
Why does this need a breakout?
SOT-223 three-pin regulators and transistors are difficult to hand-solder due to tight 1.5mm pitch and heat-sinking requirements. A breakout board brings standard 0.1" header spacing, eliminating soldering challenges and enabling immediate breadboard prototyping without rework or micro-soldering tools.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | LM1117MPX-ADJ/NOPB |
| Package | SOT-223-3 |
| Pin Count | 3 |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 5 mA |
| Current - Supply (Max) | 10 mA |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Voltage Dropout (Max) | 1.2V @ 800mA |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Max) | 13.8V |
| Voltage - Output (Min/Fixed) | 1.25V |
What's Included
BILL OF MATERIALS
- 1x LM1117MPX-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
WIDTH
< 0.9" (straddles breadboard)
PITCH
2.54mm standard
SOLDER
Lead-free, reflow assembled
FINISH
FR4, lead-free HASL