Texas Instruments LP3873ES-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.78 | $5.78 |
| 15+ | $5.59 | $83.85 |
| 25+ | $5.47 | $136.75 |
| 50+ | $5.17 | $258.50 |
| 100+ | $4.56 | $456.00 |
| N+ | $0.91 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.2V @ 3A |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 9 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | 73dB ~ 57dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263 (DDPAK-5) |
| ROHS |  |
The LP3873ES-3.3/NOPB from Texas Instruments is a robust 3A linear regulator providing a fixed 3.3V output. With a low dropout of 1.2V at full load and excellent PSRR, it ensures stable power for high-current digital applications. The TO-263 package supports efficient heat dissipation, making it suitable for industrial and automotive systems.
- High Current Capacity: 3A output supports demanding processor and FPGA loads.
- Low Dropout: 1.2V dropout at 3A maximizes efficiency in tight voltage margins.
- Excellent Noise Rejection: 73dB PSRR at 120Hz ensures clean output in noisy environments.
- Thermal Efficiency: TO-263 package provides superior heat dissipation for continuous operation.
FPGA Core Power
Provides a stable 3.3V rail for FPGA I/O and logic, handling up to 3A transient loads with low dropout.
High-Current DSP Supplies
Ideal for DSPs requiring 3.3V at high current, ensuring reliable operation under heavy processing loads.
Server Motherboard Rails
Delivers clean 3.3V for memory and chipset circuits, with PSRR up to 73dB at 120Hz to suppress mains ripple.
Industrial Motor Control
Powers control logic in motor drives, providing robust regulation despite noisy industrial power lines.
Telecom Base Stations
Supplies 3.3V to RF transceivers and baseband processors, maintaining signal fidelity.
Automotive Infotainment
Regulates 3.3V for infotainment processors, offering high current capability for multimedia features.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous current.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (typical).
- Q: What is the dropout voltage?
- A: The dropout voltage is only 1.2V at a full 3A load.
- Q: What is the quiescent current?
- A: The quiescent current is 9mA.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
LP3873ES-3.3/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous current.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (typical).
- Q: What is the dropout voltage?
- A: The dropout voltage is only 1.2V at a full 3A load.
- Q: What is the quiescent current?
- A: The quiescent current is 9mA.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
