National Semiconductor LP3966ES-ADJ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $18.00 | $18.00 |
| 15+ | $4.14 | $62.10 |
| 25+ | $4.05 | $101.25 |
| 50+ | $3.83 | $191.50 |
| 100+ | $3.38 | $338.00 |
| N+ | $0.68 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Adjustable |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min/Fixed) | 1.216V |
| Voltage - Output (Max) | 5.1V |
| Voltage Dropout (Max) | 1.2V @ 3A |
| Current - Output | 3A |
| 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 | DDPAK/TO-263-5 |
| ROHS |  |
The LP3966ES-ADJ from National Semiconductor is a versatile adjustable low dropout linear regulator capable of delivering up to 3A. The output voltage can be set from 1.216V upward using external resistors, with a typical configuration providing 5.1V. Featuring a dropout of 1.2V at full load and housed in a DDPAK/TO-263-5 package, this regulator offers excellent thermal performance and design flexibility for a wide range of high-current applications.
- Adjustable Output: Set any voltage above 1.216V with external resistors, offering design flexibility.
- High Current: 3A output capability supports demanding loads.
- Low Dropout: 1.2V at 3A minimizes power dissipation.
- Thermal Efficiency: DDPAK/TO-263-5 package ensures effective heat sinking.
- Wide Application Range: Suitable for custom power supplies, battery chargers, and lab equipment.
Adjustable Power Supply Design
The adjustable output allows designers to set any voltage above 1.216V using external resistors, providing flexibility for custom power rails in prototyping and production.
High-Current Variable Voltage Regulator
With 3A capability, this LDO can power adjustable voltage applications such as bench power supplies, variable motor drivers, and tunable RF circuits.
Post-Regulation for Precision References
Use after a switching regulator to create a low-noise, adjustable output for sensitive analog circuits requiring non-standard voltages.
Multi-Rail Systems
In systems with multiple voltage requirements, this adjustable regulator can be configured to provide a secondary rail without redesigning the PCB.
Battery Charging Circuits
The adjustable output is useful for battery charging applications where the charge voltage needs to be precisely set for different battery chemistries.
Laboratory Equipment
Benchtop instruments benefit from the adjustable output and high current capability for powering various test circuits and prototypes.
- Q: What is the output voltage?
- A: The output voltage is adjustable, with a reference voltage of 1.216V. The provided data shows a typical output of 5.1V.
- Q: What is the maximum output current?
- A: The maximum output current is 3A.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; only the reference voltage of 1.216V is given.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at 3A load.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA.
- Q: What package is available?
- A: The device comes in a DDPAK/TO-263-5 package.
LP3966ES-ADJ.pdf
- Q: What is the output voltage?
- A: The output voltage is adjustable, with a reference voltage of 1.216V. The provided data shows a typical output of 5.1V.
- Q: What is the maximum output current?
- A: The maximum output current is 3A.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; only the reference voltage of 1.216V is given.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at 3A load.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA.
- Q: What package is available?
- A: The device comes in a DDPAK/TO-263-5 package.
