Texas Instruments LM1117LD-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.36 | $1.36 |
| 15+ | $1.32 | $19.80 |
| 25+ | $1.29 | $32.25 |
| 50+ | $1.22 | $61.00 |
| 100+ | $1.07 | $107.00 |
| N+ | $0.21 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | LM1117-3.3 |
| 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) | 3.3V |
| 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 | 8-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
| ROHS |  |
The LM1117LD-3.3/NOPB is a fixed 3.3V low-dropout linear regulator from Texas Instruments, capable of sourcing 800mA. With a dropout of 1.2V at full load, it operates efficiently from 5V or 12V supplies. The 8-WSON package provides excellent thermal dissipation for continuous high-current loads. Its 75dB PSRR at 120Hz ensures superior ripple rejection, making it a dependable choice for industrial, networking, and audio applications requiring a stable and clean 3.3V power source.
- High Output Current: 800mA capability supports multiple ICs and peripherals.
- Excellent Ripple Rejection: 75dB PSRR at 120Hz cleans up noisy input rails.
- Robust Thermal Package: 8-WSON (4x4) dissipates heat effectively for reliable operation.
- Wide Input Range: Accepts 4.5V to 15V, flexible for various system rails.
Post-Regulation for Switching Supplies
The 75dB PSRR at 120Hz effectively attenuates ripple from AC-DC converters, providing a clean 3.3V rail for audio codecs and precision ADCs.
Multi-Rail Industrial Controllers
With 800mA capability, this LDO powers logic ICs, relays, and small motors from a 5V or 12V bus, simplifying power distribution in PLCs.
Networking Equipment
Stable 3.3V output for Ethernet PHYs and switches, with the 8-WSON package dissipating heat efficiently in enclosed routers.
Test and Measurement Instruments
The low output noise and high PSRR make it suitable for powering reference voltage circuits in benchtop multimeters.
Automotive Infotainment (Non-Q1)
For aftermarket head units, this regulator provides a robust 3.3V rail for DSPs and display controllers from a 12V battery line.
LED Lighting Control Boards
Powers microcontroller and PWM drivers in smart lighting, with 800mA headroom for multiple peripheral ICs.
- Q: What is the output voltage?
- A: The LM1117LD-3.3/NOPB provides a fixed 3.3V output.
- 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 from 4.5V to 15V, allowing use with 5V, 9V, or 12V rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at 800mA load, requiring a minimum input of 4.5V for 3.3V output.
- Q: What is the quiescent current?
- A: The quiescent current is 5mA, typical for higher-current regulators.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4mm) package, offering good thermal performance.
LM1117LD-3.3/NOPB.pdf
- Q: What is the output voltage?
- A: The LM1117LD-3.3/NOPB provides a fixed 3.3V output.
- 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 from 4.5V to 15V, allowing use with 5V, 9V, or 12V rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at 800mA load, requiring a minimum input of 4.5V for 3.3V output.
- Q: What is the quiescent current?
- A: The quiescent current is 5mA, typical for higher-current regulators.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4mm) package, offering good thermal performance.
