5-Pack LM1117 ADJ LDO Voltage Regulator IC SOT-223 Package
5-Pack LM1117 ADJ LDO Voltage Regulator IC SOT-223 Package
5-Pack LM1117IMPX-ADJ Low Dropout Linear Voltage Regulator – SOT-223 Package
Get reliable, stable voltage regulation with this 5-piece set of LM1117IMPX-ADJ/NOPB integrated circuit chips. Designed in the compact SOT-223 surface-mount package, these adjustable low dropout (LDO) linear regulators are ideal for powering sensitive electronics in embedded systems, development boards, power supplies, and DIY electronics projects. Each chip is brand new and sourced directly from quality-controlled production runs.
Key Features
- Part Number: LM1117IMPX-ADJ/NOPB
- Type: Adjustable Low Dropout (LDO) Linear Voltage Regulator
- Package: SOT-223 (surface-mount)
- Quantity: 5 pieces per order
- Condition: Brand New
- High-Concern Chemicals: None (RoHS-compatible)
- Application: Microcontrollers, FPGA boards, sensor modules, power supply circuits, and general-purpose voltage regulation
Why Choose the LM1117 ADJ?
The LM1117 series is a trusted industry-standard LDO regulator with a low dropout voltage, making it efficient even when input and output voltages are close together. The adjustable (ADJ) variant gives you the flexibility to set your desired output voltage using external resistors, making it perfect for custom power supply designs. The SOT-223 package provides excellent thermal performance in a small footprint.
Specifications at a Glance
- Dropout Voltage: ~1.2V at 800mA (typical)
- Output Current: Up to 800mA
- Adjustable Output: Set via external resistor divider
- Operating Temperature: 0°C to +125°C
- Package: SOT-223 (4-lead surface mount)
Common Applications
- Arduino, Raspberry Pi, and microcontroller power rails
- Sensor and module power supply regulation
- Custom PCB and embedded system designs
- Battery-powered device power management
- Lab and prototyping bench supplies
Made in Mainland China.
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Frequently Asked Questions
Q: What does the LM1117IMPX-ADJ/NOPB voltage regulator do?
A: The LM1117IMPX-ADJ is an adjustable low dropout (LDO) linear voltage regulator integrated circuit. It regulates an input voltage down to a stable, user-defined output voltage determined by an external resistor network. It is widely used to power microcontrollers, sensors, and other electronics that require a clean, stable supply voltage.
Q: What is the SOT-223 package and why does it matter?
A: SOT-223 is a surface-mount transistor package with four leads and an exposed tab for improved heat dissipation. It offers a compact footprint suitable for modern PCB designs while providing better thermal performance than smaller packages like SOT-23, making it ideal for applications drawing up to 800mA of output current.
Q: Are these LM1117 chips brand new and genuine?
A: Yes. Each of the 5 chips in this pack is brand new, manufactured under standard quality control processes. The /NOPB suffix indicates the parts are lead-free and RoHS-compatible, containing no high-concern chemicals.
Q: How do I set the output voltage of the LM1117 ADJ variant?
A: The output voltage is set using two external resistors connected between the output and adjust pins. By selecting the appropriate resistor values and following the formula in the LM1117 datasheet, you can dial in virtually any output voltage within the chip's specified operating range.