National Semiconductor LP3892ESX-1.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.84 | $7.84 |
| 15+ | $1.80 | $27.00 |
| 25+ | $1.76 | $44.00 |
| 50+ | $1.67 | $83.50 |
| 100+ | $1.47 | $147.00 |
| N+ | $0.29 | 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) | 1.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.5V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 30 µA |
| Current - Supply (Max) | 8 mA |
| PSRR | 80dB ~ 65dB (120Hz ~ 1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| 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 LP3892ESX-1.5/NOPB is a fixed 1.5V low dropout linear regulator capable of delivering 1.5A. It features an ultra-low quiescent current of 30 µA, making it ideal for battery-powered applications. With a dropout voltage of 0.5V at full load and excellent PSRR of 80dB at 120Hz, it provides a clean, stable output for sensitive low-voltage circuits. The TO-263 (DDPAK-5) package ensures good thermal performance.
- Ultra-Low Quiescent Current: 30 µA significantly extends battery life in portable devices.
- High PSRR: 80dB at 120Hz provides excellent noise rejection for sensitive analog and digital circuits.
- Low Dropout: 0.5V at 1.5A allows efficient operation with minimal headroom.
- High Current Capability: 1.5A output supports demanding low-voltage loads.
Low-Voltage Digital Cores
Modern processors and FPGAs operate at 1.5V core voltages. The LP3892ESX-1.5/NOPB provides a stable 1.5A supply with ultra-low quiescent current, ideal for battery-powered and energy-efficient designs.
Battery-Powered IoT Devices
With only 30 µA quiescent current, this LDO is perfect for IoT sensors and wearables where standby power is critical. It extends battery life while providing clean power to the microcontroller.
High-Performance Audio DACs
Audio DACs require low-noise power supplies. The 80dB PSRR at 120Hz effectively rejects power supply noise, ensuring high-fidelity audio output.
Portable Medical Devices
In battery-operated medical monitors, this regulator powers low-voltage digital and analog circuits. Its low quiescent current and high PSRR ensure reliable, noise-free operation.
Telecom and Networking Equipment
For line cards and switches, this LDO provides a clean 1.5V rail for high-speed ASICs and SerDes, with excellent noise immunity.
- Q: What is the output voltage of the LP3892ESX-1.5/NOPB?
- A: The fixed output voltage is 1.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.5V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 30 µA.
- Q: What is the PSRR performance?
- A: PSRR is 80dB at 120Hz and 65dB at 1kHz.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
- Q: What is the output voltage of the LP3892ESX-1.5/NOPB?
- A: The fixed output voltage is 1.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.5V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 30 µA.
- Q: What is the PSRR performance?
- A: PSRR is 80dB at 120Hz and 65dB at 1kHz.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.

LP3892ESX-1.5/NOPB.pdf