Texas Instruments LP3883ESX-1.2
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $21.84 | $21.84 |
| 15+ | $5.45 | $81.75 |
| 25+ | $5.33 | $133.25 |
| 50+ | $5.03 | $251.50 |
| 100+ | $4.44 | $444.00 |
| N+ | $0.89 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Obsolete |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.42V @ 3A |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 30 μA |
| Current - Supply (Max) | 8 mA |
| PSRR | 80dB ~ 65dB (120Hz ~ 1kHz) |
| 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 LP3883ESX-1.2 from National Semiconductor is a high-current 3A low dropout linear regulator with a fixed 1.2V output. It features an ultra-low 30 µA quiescent current and excellent PSRR (80dB at 120Hz), making it ideal for powering FPGAs, ASICs, and DSPs. The DDPAK/TO-263-5 package ensures efficient heat dissipation.
- High Output Current: 3A capability supports demanding digital loads.
- Ultra-Low Quiescent Current: 30 µA reduces standby power in always-on systems.
- Excellent PSRR: 80dB at 120Hz filters ripple from switching supplies.
- Low Dropout: 0.42V at 3A maximizes efficiency from low-voltage inputs.
FPGA Core Supplies
3A output at 1.2V powers high-current FPGA cores, with low dropout ensuring stable operation from a 1.8V rail.
High-Performance ASICs
Provides clean, regulated 1.2V for ASICs in networking and computing, with 80dB PSRR at 120Hz.
Server Motherboards
Supports memory and logic circuits requiring high current, with 30 µA quiescent current for standby efficiency.
Telecom Base Stations
Delivers reliable 1.2V to DSPs and FPGAs in harsh environments, with robust thermal performance in TO-263 package.
Industrial Control Systems
Powers PLCs and motor controllers, ensuring precise voltage regulation under varying loads.
Automotive Infotainment
High current capability supports advanced driver assistance systems (ADAS) processors.
- Q: What is the output voltage?
- A: Fixed 1.2V output.
- Q: What is the maximum current?
- A: 3A.
- Q: What is the input voltage range?
- A: Not specified in provided data; check datasheet.
- Q: What is the dropout voltage?
- A: 0.42V at 3A.
- Q: What is the quiescent current?
- A: 30 µA.
- Q: What is the package?
- A: DDPAK/TO-263-5.
- Q: What is the output voltage?
- A: Fixed 1.2V output.
- Q: What is the maximum current?
- A: 3A.
- Q: What is the input voltage range?
- A: Not specified in provided data; check datasheet.
- Q: What is the dropout voltage?
- A: 0.42V at 3A.
- Q: What is the quiescent current?
- A: 30 µA.
- Q: What is the package?
- A: DDPAK/TO-263-5.

LP3883ESX-1.2.pdf