National Semiconductor LP3883ES-1.2/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $18.32 | $18.32 |
| 15+ | $4.21 | $63.15 |
| 25+ | $4.12 | $103.00 |
| 50+ | $3.89 | $194.50 |
| 100+ | $3.44 | $344.00 |
| N+ | $0.69 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| 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 LP3883ES-1.2/NOPB is a high-performance 3A low dropout linear regulator from National Semiconductor, offering a fixed 1.2V output. It features an exceptionally low dropout voltage of 0.42V at full load and an ultra-low quiescent current of 30 µA, making it ideal for battery-powered and high-efficiency applications. Its superior PSRR ensures clean power for sensitive electronics.
- Ultra-Low Dropout: 0.42V at 3A maximizes efficiency and allows operation from very low input voltages.
- Ultra-Low Quiescent Current: 30 µA quiescent current is ideal for battery-powered devices, extending operational life.
- High PSRR: 80dB at 120Hz provides excellent ripple rejection for noise-sensitive applications.
- High Current: 3A output capability supports demanding digital loads.
Low-Voltage Digital Cores
With a 1.2V output and 3A capability, the LP3883ES-1.2/NOPB is perfect for powering the latest low-voltage FPGAs and processors.
Battery-Powered IoT Devices
The ultra-low 30 µA quiescent current significantly extends battery life in always-on IoT sensors and wearables.
High-Performance Audio Equipment
Its excellent PSRR of 80dB at 120Hz ensures a clean, noise-free supply for high-fidelity audio DACs and op-amps.
Precision Analog Circuits
The low dropout and high PSRR make it ideal for powering precision references and ADCs where voltage stability is critical.
Portable Medical Devices
Reliable, low-noise power is essential for medical monitors; this regulator provides both with minimal power loss.
- Q: What is the output voltage of the LP3883ES-1.2/NOPB?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.42V at 3A.
- Q: What is the quiescent current?
- A: The quiescent current is extremely low at 30 µA.
- Q: What is the PSRR?
- A: The power supply rejection ratio is 80dB at 120Hz and 65dB at 1kHz.
- Q: What is the output voltage of the LP3883ES-1.2/NOPB?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.42V at 3A.
- Q: What is the quiescent current?
- A: The quiescent current is extremely low at 30 µA.
- Q: What is the PSRR?
- A: The power supply rejection ratio is 80dB at 120Hz and 65dB at 1kHz.

LP3883ES-1.2/NOPB.pdf