National Semiconductor LP3966ET-ADJ-NS
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $15.60 | $15.60 |
| 15+ | $3.59 | $53.85 |
| 25+ | $3.51 | $87.75 |
| 50+ | $3.32 | $166.00 |
| 100+ | $2.93 | $293.00 |
| N+ | $0.59 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| 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 | Through Hole |
| Package / Case | TO-220-5 Formed Leads |
| Supplier Device Package | TO-220-5 |
The LP3966ET-ADJ-NS is a high-current adjustable LDO linear regulator from National Semiconductor, delivering up to 3A with a low 1.2V dropout. Its 1.216V reference allows flexible output voltage configuration via external resistors, making it suitable for a wide range of power supply designs. The TO-220-5 package ensures excellent thermal performance for demanding applications.
- High Current Capacity: 3A output supports power-hungry loads like FPGAs and processors.
- Low Dropout Voltage: 1.2V at 3A maximizes efficiency in low-headroom designs.
- Adjustable Output: Reference voltage of 1.216V enables custom output voltages from 1.2V upward.
- Robust Thermal Package: TO-220-5 dissipates heat effectively for reliable operation.
High-Current FPGA/ASIC Core Supplies
The 3A output capability and adjustable voltage down to 1.216V make it ideal for powering modern FPGA and ASIC cores that require precise, low-noise supply rails.
Industrial Actuator and Motor Control
With a 1.2V dropout at 3A, the LP3966ET-ADJ-NS maintains stable output even when input rails sag, ensuring reliable operation in industrial automation environments.
Telecom Base Station Power Distribution
Its TO-220 package and high current handling suit distributed power architectures in telecom equipment, providing clean local regulation from 5V intermediate buses.
Battery-Powered Portable Instruments
The adjustable output allows optimization for battery chemistries, while the 9mA quiescent current balances efficiency with fast transient response.
Automotive Infotainment Processors
Robust thermal performance and 3A current support infotainment SoCs, delivering stable voltage despite varying input from vehicle electrical systems.
Bench Power Supply Modules
As a post-regulator in lab supplies, the adjustable output and high current enable precise voltage setting from 1.2V to 5.5V for testing various circuits.
- Q: What is the output voltage range of the LP3966ET-ADJ-NS?
- A: The LP3966ET-ADJ-NS is an adjustable LDO with a reference voltage of 1.216V, allowing output voltage set by external resistors.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.216V up to the absolute maximum rating (typically 7V).
- Q: What is the dropout voltage?
- A: Dropout voltage is 1.2V at 3A load, ensuring efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA, which is moderate for high-current LDOs.
- Q: What package is available?
- A: It comes in a TO-220-5 package, suitable for through-hole mounting and thermal dissipation.
LP3966ET-ADJ-NS.pdf
- Q: What is the output voltage range of the LP3966ET-ADJ-NS?
- A: The LP3966ET-ADJ-NS is an adjustable LDO with a reference voltage of 1.216V, allowing output voltage set by external resistors.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.216V up to the absolute maximum rating (typically 7V).
- Q: What is the dropout voltage?
- A: Dropout voltage is 1.2V at 3A load, ensuring efficient operation with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA, which is moderate for high-current LDOs.
- Q: What package is available?
- A: It comes in a TO-220-5 package, suitable for through-hole mounting and thermal dissipation.
