National Semiconductor LP3962ES-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.24 | $9.24 |
| 15+ | $2.13 | $31.95 |
| 25+ | $2.08 | $52.00 |
| 50+ | $1.96 | $98.00 |
| 100+ | $1.73 | $173.00 |
| N+ | $0.35 | 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) | 2.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.55V @ 1.5A |
| Current - Output | 1.5A |
| 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 LP3962ES-2.5/NOPB is a robust low-dropout linear regulator from National Semiconductor, offering a fixed 2.5V output at up to 1.5A. With a typical dropout of 550mV and quiescent current of 9mA, it balances efficiency and performance for medium-to-high current applications. The TO-263 (DDPAK-5) package ensures excellent thermal performance, making it suitable for industrial, automotive, and networking power supplies.
- High Current Capacity: 1.5A output supports power-hungry digital loads like FPGAs and processors.
- Excellent Thermal Management: TO-263 package dissipates heat effectively, ensuring reliability under load.
- Low Dropout Voltage: 550mV dropout allows operation from 3.3V rails with headroom.
- Stable Output: Fixed 2.5V output with tight regulation for sensitive logic circuits.
High-Current Digital Rails
With 1.5A output capability and 550mV dropout, this regulator is ideal for powering FPGAs, DSPs, or ASIC cores that require a stable 2.5V supply from a 3.3V bus.
Post-Regulation for Switching Converters
Use after a buck converter to reduce output ripple and provide a clean 2.5V rail for mixed-signal circuits, leveraging the low noise characteristics of linear regulation.
Industrial Control Systems
The TO-263 package offers excellent thermal dissipation for 24V industrial environments, providing a reliable 2.5V supply for microcontrollers and interface logic.
Networking Equipment
For routers and switches, the LP3962ES-2.5 ensures stable power for high-speed SerDes and PHY chips, where voltage accuracy is critical for signal integrity.
Automotive Infotainment
In car audio or navigation systems, this LDO provides a robust 2.5V rail for processors, with the DDPAK package handling under-hood temperature variations.
Test and Measurement Instruments
Precision instruments require low-noise supplies; this regulator delivers 1.5A with minimal ripple, suitable for bench-top multimeters and oscilloscopes.
- Q: What is the output voltage of the LP3962ES-2.5?
- A: It provides a fixed 2.5V output.
- Q: What is the maximum output current?
- A: The LP3962ES-2.5 can deliver up to 1.5A of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V up to 7V (absolute maximum).
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 550mV at 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 9mA.
- Q: What package is available?
- A: It is available in a TO-263 (DDPAK-5) package.
LP3962ES-2.5/NOPB.pdf
- Q: What is the output voltage of the LP3962ES-2.5?
- A: It provides a fixed 2.5V output.
- Q: What is the maximum output current?
- A: The LP3962ES-2.5 can deliver up to 1.5A of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V up to 7V (absolute maximum).
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 550mV at 1.5A load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 9mA.
- Q: What package is available?
- A: It is available in a TO-263 (DDPAK-5) package.
