National Semiconductor LP3855ESX-5.0/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 |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.38V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 3 mA |
| Current - Supply (Max) | 10 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) |
The LP3855ESX-5.0/NOPB is a fixed 5.0V low dropout linear regulator capable of delivering 1.5A. Its low 0.38V dropout voltage and 73dB PSRR make it ideal for noise-sensitive applications. The TO-263 package ensures efficient heat dissipation for continuous operation.
- High Accuracy: Fixed 5.0V output with tight regulation for reliable digital logic operation.
- Low Dropout: 0.38V at 1.5A maximizes efficiency by allowing operation close to the output voltage.
- Excellent Noise Rejection: 73dB PSRR at 120Hz filters supply ripple for clean power.
- Thermal Efficiency: TO-263 package dissipates heat effectively for sustained 1.5A loads.
5V Digital Logic Power
Provides a stable 5.0V rail for microcontrollers, FPGAs, and digital ICs, with a low 0.38V dropout ensuring regulation even with supply fluctuations.
Post-Regulation for Switching Supplies
Clean up noisy DC-DC converter output with 73dB PSRR at 120Hz, reducing ripple for sensitive analog loads.
Industrial Sensor Interfaces
Delivers 1.5A for multiple sensors and transducers, maintaining accurate 5V bias for measurement circuits.
Automotive Infotainment
Robust TO-263 package handles thermal stress in vehicle cabins, powering 5V logic for head units and displays.
Networking Equipment
Powers 5V PHY and switch ICs with low noise, ensuring reliable data transmission in routers and switches.
Battery-Powered Instruments
With 3mA quiescent current, it extends battery life in portable meters while providing a stable 5V reference.
- Q: What is the output voltage of the LP3855ESX-5.0/NOPB?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of continuous 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 0.38V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is 3 mA.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
LP3855ESX-5.0/NOPB.pdf
- Q: What is the output voltage of the LP3855ESX-5.0/NOPB?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of continuous 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 0.38V at a 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is 3 mA.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
