Texas Instruments LM1117IDTX-ADJ/J7002947
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 13.8V |
| Voltage Dropout (Max) | 1.3V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | 75dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°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 |
| ROHS |
The LM1117IDTX-ADJ is a fixed 13.8V linear regulator from Texas Instruments, delivering up to 800mA with a low dropout of 1.3V. Its excellent PSRR of 75dB at 120Hz ensures clean, stable output for noise-sensitive applications. Packaged in a TO-252 form factor, this LDO offers reliable performance in a compact design.
- Fixed 13.8V Output: Eliminates the need for external resistor networks, simplifying design.
- Excellent Ripple Rejection: 75dB PSRR at 120Hz ensures clean power for sensitive electronics.
- Low Dropout: 1.3V dropout at 800mA improves efficiency in tight voltage margin systems.
- Surface-Mount Package: TO-252 package supports automated assembly and space-saving layouts.
Fixed 13.8V Power Rails
Ideal for applications requiring a stable 13.8V supply, such as radio transceivers and automotive accessories.
Noise-Sensitive Audio Circuits
With 75dB PSRR at 120Hz, this regulator effectively filters ripple from rectified AC, ensuring clean audio power.
Industrial Control Systems
Fixed output simplifies design in PLCs and industrial sensors where 13.8V is a standard rail.
Communication Equipment
Provides stable power for RF amplifiers and base stations, reducing interference from power supply noise.
Battery Charging Circuits
Can be used as a regulated source for charging 12V lead-acid batteries with proper current limiting.
LED Lighting Systems
Powers high-brightness LED arrays requiring a constant 13.8V supply with minimal ripple.
- Q: What is the output voltage?
- A: This device has a fixed output voltage of 13.8V.
- Q: What is the maximum output current?
- A: The maximum output current is 800mA.
- Q: What is the input voltage range?
- A: The input voltage must be at least 1.25V above the output.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.3V at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR?
- A: The power supply rejection ratio is 75dB at 120Hz.
- Q: What is the output voltage?
- A: This device has a fixed output voltage of 13.8V.
- Q: What is the maximum output current?
- A: The maximum output current is 800mA.
- Q: What is the input voltage range?
- A: The input voltage must be at least 1.25V above the output.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.3V at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR?
- A: The power supply rejection ratio is 75dB at 120Hz.

LM1117IDTX-ADJ/J7002947.pdf