Texas Instruments LM1117T-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.21 | $1.21 |
| 15+ | $1.17 | $17.55 |
| 25+ | $1.14 | $28.50 |
| 50+ | $1.08 | $54.00 |
| 100+ | $0.95 | $95.00 |
| N+ | $0.19 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| 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 | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
| ROHS |  |
The LM1117T-ADJ/NOPB from Texas Instruments is an adjustable low dropout linear regulator in a TO-220-3 package. It delivers up to 800mA with a dropout voltage of 1.2V at full load. The output voltage can be set from 1.25V to 13.8V using two external resistors, offering design flexibility. With 75dB PSRR at 120Hz, it provides excellent ripple rejection. This through-hole regulator is a versatile choice for a wide range of power supply applications.
- Adjustable Output: Voltage can be set from 1.25V to 13.8V, covering a wide range of applications.
- High Ripple Rejection: 75dB PSRR at 120Hz ensures clean DC output from rectified sources.
- Through-Hole Package: TO-220-3 is easy to solder and mount on heatsinks for high-power dissipation.
- Proven Reliability: A long-standing industry-standard design with robust thermal protection.
Adjustable Bench Power Supplies
The adjustable output from 1.25V to 13.8V makes it ideal for prototyping and lab equipment where variable voltages are needed.
Post-Regulation for Switching Converters
Using it after a DC-DC converter reduces output ripple and noise, providing a clean supply for sensitive analog circuits.
Battery Chargers
The adjustable output allows precise voltage setting for charging Li-ion (4.2V) or lead-acid (13.8V) batteries with current limiting.
Audio Preamplifiers
With 75dB PSRR at 120Hz, it provides a quiet, hum-free supply rail for op-amp circuits and phono stages.
FPGA and DSP Core Supplies
Adjustable output can be set to 1.8V or 2.5V for core logic, with 800mA capacity for moderate-power devices.
- Q: What is the output voltage of the LM1117T-ADJ/NOPB?
- A: It is an adjustable regulator; the output voltage can be set from 1.25V up to 13.8V using external resistors.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V typical at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What is the PSRR performance?
- A: PSRR is 75dB at 120Hz, providing excellent low-frequency ripple rejection.
LM1117T-ADJ/NOPB.pdf
- Q: What is the output voltage of the LM1117T-ADJ/NOPB?
- A: It is an adjustable regulator; the output voltage can be set from 1.25V up to 13.8V using external resistors.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V typical at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What is the PSRR performance?
- A: PSRR is 75dB at 120Hz, providing excellent low-frequency ripple rejection.
