Texas Instruments LM1117DTX-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.41 | $1.41 |
| 15+ | $1.36 | $20.40 |
| 25+ | $1.33 | $33.25 |
| 50+ | $1.26 | $63.00 |
| 100+ | $1.11 | $111.00 |
| N+ | $0.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 13.8V |
| Voltage Dropout (Max) | 1.2V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 5 mA |
| Current - Supply (Max) | 10 mA |
| PSRR | 75dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Supplier Device Package | TO-252-3 |
| ROHS |  |
The LM1117DTX-ADJ/NOPB is a versatile adjustable low-dropout linear regulator from Texas Instruments. It offers an output voltage range from 1.25V to 13.8V, set by two external resistors, with a maximum output current of 800mA. The dropout voltage is a low 1.2V at full load, and the quiescent current is 5mA. With excellent PSRR of 75dB at 120Hz, it provides clean, stable power for a wide variety of applications. The TO-252-3 package offers good thermal performance, making it suitable for both prototyping and production.
- Adjustable Output Flexibility: Output voltage can be set from 1.25V to 13.8V with two resistors, making it suitable for a wide range of custom power supply needs.
- Proven, Reliable Design: Based on the industry-standard LM1117 architecture, known for its robustness and long-term reliability.
- Excellent Ripple Rejection: The 75dB PSRR at 120Hz effectively filters low-frequency noise, ideal for audio and precision measurement equipment.
- High Current Capability: The 800mA output current can power a wide range of loads, from small microcontrollers to analog circuits.
Variable Power Supplies
The LM1117DTX-ADJ/NOPB is ideal for building adjustable bench power supplies. By using external resistors, the output can be set anywhere from 1.25V to 13.8V, making it a versatile tool for prototyping and testing.
Custom Voltage Rails
For systems requiring non-standard voltages like 2.5V, 3.0V, or 3.8V, this adjustable LDO provides the flexibility to create custom rails with just two resistors, eliminating the need for multiple fixed-voltage regulators.
Post-Regulation with Precision
In precision analog circuits, the adjustable output allows for fine-tuning the supply voltage to optimize performance. The 75dB PSRR at 120Hz ensures clean power for audio and instrumentation amplifiers.
Battery Chargers
The adjustable output can be set to the exact float voltage required for charging various battery chemistries, such as 4.2V for Li-ion or 13.8V for lead-acid batteries, providing a simple charging solution.
Industrial Process Control
In industrial settings, this regulator can power sensors and transmitters with custom voltage requirements. The TO-252 package ensures reliable thermal performance in harsh environments.
- Q: What is the output voltage of the LM1117DTX-ADJ/NOPB?
- A: It is an adjustable LDO with an output voltage range from 1.25V up to 13.8V, set by external resistors.
- Q: What is the maximum output current?
- A: The maximum output current is 800mA.
- Q: What is the reference voltage?
- A: The reference voltage is 1.25V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 5mA.
- Q: What package is available?
- A: It is available in a TO-252-3 (DPAK) package.
LM1117DTX-ADJ/NOPB.pdf
- Q: What is the output voltage of the LM1117DTX-ADJ/NOPB?
- A: It is an adjustable LDO with an output voltage range from 1.25V up to 13.8V, set by external resistors.
- Q: What is the maximum output current?
- A: The maximum output current is 800mA.
- Q: What is the reference voltage?
- A: The reference voltage is 1.25V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 5mA.
- Q: What package is available?
- A: It is available in a TO-252-3 (DPAK) package.
