Texas Instruments LM1117SX-5.0/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 | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Min/Fixed) | 5V |
| 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-263-4, D2PAK (3 Leads + Tab), TO-263AA |
| Supplier Device Package | TO-263 (DDPAK-3) |
| ROHS |  |
The LM1117SX-5.0/NOPB from Texas Instruments is a robust 5V low-dropout linear regulator capable of sourcing 800mA. Its 1.2V dropout at full load and 75dB PSRR at 120Hz make it a reliable choice for post-regulation and noise-sensitive applications. The TO-263 package provides excellent heat dissipation for high-current operation.
- High Output Current: 800mA capability supports power-hungry digital and analog loads.
- Excellent Ripple Rejection: 75dB PSRR at 120Hz ensures clean output from rectified AC sources.
- Robust Thermal Performance: TO-263 package dissipates heat efficiently for continuous operation.
- Proven Reliability: Industry-standard LM1117 architecture with wide availability.
Post-Regulation for Switching Supplies
The 75dB PSRR at 120Hz effectively attenuates ripple from AC-DC converters, providing a clean 5V rail for audio and measurement equipment.
5V Logic Power
With 800mA output, it can power multiple TTL/CMOS logic ICs, FPGAs, and microcontrollers in embedded systems.
Hard Disk Drives and Peripherals
The high current capability makes it suitable for powering motors and control electronics in legacy HDDs and optical drives.
Industrial Control Panels
Provides a stable 5V reference for PLCs, relays, and analog signal conditioning circuits in noisy industrial environments.
Bench Power Supplies
Used as a post-regulator in lab power supplies to deliver clean, adjustable 5V for prototyping and testing.
- Q: What is the output voltage?
- A: The LM1117SX-5.0/NOPB provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA.
- 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 is the PSRR?
- A: It offers 75dB PSRR at 120Hz.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-3) package.
LM1117SX-5.0/NOPB.pdf
- Q: What is the output voltage?
- A: The LM1117SX-5.0/NOPB provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA.
- 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 is the PSRR?
- A: It offers 75dB PSRR at 120Hz.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-3) package.
