National Semiconductor LP3961ES-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.36 | $6.36 |
| 15+ | $1.46 | $21.90 |
| 25+ | $1.43 | $35.75 |
| 50+ | $1.35 | $67.50 |
| 100+ | $1.19 | $119.00 |
| N+ | $0.24 | 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) | 7V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.35V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 9 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | - |
| 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 LP3961ES-1.8/NOPB is a fixed 1.8V low dropout linear regulator capable of delivering 800mA of output current. Its low dropout voltage of 0.35V ensures efficient operation even with minimal input-to-output headroom. Housed in a TO-263 (DDPAK-5) package, this regulator provides a robust and reliable power solution for a wide range of applications requiring a stable low-voltage rail.
- High Current Capacity: Delivers up to 800mA, suitable for powering demanding digital loads.
- Low Dropout Voltage: 0.35V dropout at full load improves efficiency and extends battery life.
- Stable Fixed Output: Provides a precise 1.8V output, eliminating the need for external resistors.
- Robust Package: The TO-263 (DDPAK-5) package offers excellent thermal performance for high-power dissipation.
High-Current Core Power Supply
With an 800mA output capability and a low 0.35V dropout, the LP3961ES-1.8/NOPB is ideal for powering digital cores, FPGAs, and DSPs that require a stable 1.8V rail from a 2.5V or 3.3V input supply.
Post-Regulation for Switching Converters
Use this LDO after a DC-DC converter to provide a clean, low-noise 1.8V supply for sensitive analog and mixed-signal circuits, effectively reducing ripple and switching noise.
Battery-Powered Portable Devices
The low dropout voltage maximizes battery life by allowing the battery to discharge deeper before the regulator drops out, making it suitable for portable instruments and handheld equipment.
Networking and Telecom Equipment
Provide a reliable 1.8V rail for high-speed ASICs and SerDes transceivers in networking gear, where tight voltage regulation and high current are critical for signal integrity.
Industrial Control Systems
In industrial environments, this regulator offers a robust and thermally efficient solution (TO-263 package) for powering microcontrollers and sensors from a regulated 3.3V bus.
- Q: What is the output voltage of the LP3961ES-1.8/NOPB?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA 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.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
LP3961ES-1.8/NOPB.pdf
- Q: What is the output voltage of the LP3961ES-1.8/NOPB?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA 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.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
