Texas Instruments LM1117DTX-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.56 | $2.56 |
| 15+ | $1.18 | $17.70 |
| 25+ | $1.15 | $28.75 |
| 50+ | $1.09 | $54.50 |
| 100+ | $0.96 | $96.00 |
| N+ | $0.19 | 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 | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| 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-1.8/NOPB from National Semiconductor is a robust, fixed-output LDO linear regulator delivering a stable 1.8V at up to 800mA. Featuring a low dropout of 1.2V and excellent 75dB PSRR at 120Hz, it is ideal for noise-sensitive applications. The TO-252-3 package ensures efficient heat dissipation, making it a reliable choice for a wide range of power management tasks.
- High Output Current: 800mA capability supports a wide range of digital and analog loads.
- Excellent Noise Rejection: 75dB PSRR at 120Hz ensures clean output, ideal for audio and precision analog circuits.
- Low Dropout: 1.2V dropout allows operation with minimal headroom, improving efficiency.
- Thermal Efficiency: TO-252 package provides superior heat dissipation for reliable high-current operation.
FPGA and DSP Core Supplies
The 800mA output current and 1.8V output are well-suited for powering the core logic of FPGAs and DSPs, providing a stable and reliable supply rail.
Post-Regulation for Switching Converters
Its 75dB PSRR at 120Hz effectively filters switching noise from a buck converter, delivering a clean analog supply for sensitive circuits.
Motherboard and Peripheral Power
Ideal for generating a dedicated 1.8V rail for DDR memory termination or I/O interfaces on motherboards and embedded systems.
Networking Equipment
Provides a robust 1.8V supply for Ethernet PHYs and switch ICs, ensuring reliable data transmission with low noise.
Industrial Automation
With its high current capability, it can power multiple sensors and actuators in industrial control systems, offering stable operation in harsh environments.
- Q: What is the output voltage of the LM1117DTX-1.8/NOPB?
- A: This LDO provides a fixed 1.8V output voltage.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not fully specified in the provided data; the typical input is 1.8V, but the maximum input is not given.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at an 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What is the package type?
- A: It is available in a TO-252-3 (DPAK) package.
LM1117DTX-1.8/NOPB.pdf
- Q: What is the output voltage of the LM1117DTX-1.8/NOPB?
- A: This LDO provides a fixed 1.8V output voltage.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not fully specified in the provided data; the typical input is 1.8V, but the maximum input is not given.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at an 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 5 mA.
- Q: What is the package type?
- A: It is available in a TO-252-3 (DPAK) package.
