onsemi LM1117MPX-33NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.09 | $1.09 |
| 15+ | $1.06 | $15.90 |
| 25+ | $1.04 | $26.00 |
| 50+ | $0.98 | $49.00 |
| 100+ | $0.86 | $86.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.2V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | 64dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | 0°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223 |
| ROHS |
The LM1117MPX-33NOPB is a fixed 3.3V low dropout regulator delivering 800mA. With 1.2V dropout and 64dB PSRR, it provides clean, stable power from 5V or 4.5V inputs. The SOT-223 package supports efficient heat dissipation. Ideal for logic, RF, and industrial applications.
- 800mA output: Handles high-current digital loads with ease.
- 1.2V dropout: Operates from 4.5V input, reducing thermal stress.
- 64dB PSRR: Filters supply noise for sensitive circuits.
- SOT-223 package: Compact with good thermal performance.
3.3V Logic Supply
Powers 3.3V microcontrollers, FPGAs, and logic ICs with 800mA capacity and 64dB PSRR for stable operation.
Wireless Modules
Regulates 3.3V for Wi-Fi, Bluetooth, and LoRa modules, ensuring clean power for RF transceivers.
Automotive Infotainment
Provides 3.3V rail for display controllers and audio DSPs, with dropout margin for battery voltage dips.
Industrial Control Systems
Supplies 3.3V to PLC I/O and sensor interfaces, maintaining regulation under load transients.
Consumer Electronics
Powers set-top boxes and smart home hubs, delivering reliable 3.3V from 5V rails.
Test and Measurement
Provides low-noise 3.3V for precision instruments, leveraging 64dB PSRR to reduce interference.
- Q: What is the output voltage?
- A: Fixed 3.3V output.
- Q: Maximum output current?
- A: 800mA.
- Q: Input voltage range?
- A: Requires input above 4.5V for regulation (3.3V + 1.2V dropout).
- Q: Dropout voltage?
- A: 1.2V at 800mA load.
- Q: Quiescent current?
- A: 10 mA.
- Q: Package?
- A: SOT-223.
- Q: What is the output voltage?
- A: Fixed 3.3V output.
- Q: Maximum output current?
- A: 800mA.
- Q: Input voltage range?
- A: Requires input above 4.5V for regulation (3.3V + 1.2V dropout).
- Q: Dropout voltage?
- A: 1.2V at 800mA load.
- Q: Quiescent current?
- A: 10 mA.
- Q: Package?
- A: SOT-223.

LM1117MPX-33NOPB.pdf