Texas Instruments LP3965ES-ADJ-TI
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $13.52 | $13.52 |
| 15+ | $3.11 | $46.65 |
| 25+ | $3.04 | $76.00 |
| 50+ | $2.87 | $143.50 |
| 100+ | $2.54 | $254.00 |
| N+ | $0.51 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| 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) | 0.55V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 9 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | 60dB ~ 40dB (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 | DDPAK/TO-263-5 |
The LP3965ES-ADJ-TI from Texas Instruments is an adjustable low dropout linear regulator capable of delivering 1.5A. With a typical output of 5.1V and a dropout of just 0.55V at full load, it efficiently regulates from higher input rails. The DDPAK/TO-263-5 package ensures excellent heat dissipation, making it suitable for high-current industrial and audio applications. Its adjustable output provides design flexibility.
- High Output Current: 1.5A capability supports power-hungry loads like FPGAs and DSPs.
- Low Dropout: 0.55V at 1.5A minimizes power loss and heat generation.
- Adjustable Output: Allows precise voltage setting via external resistors.
- Excellent Thermal Performance: DDPAK package dissipates heat effectively for reliable operation.
High-Current FPGA Power
The 1.5A output and low 0.55V dropout make it ideal for powering FPGA core logic from 5V rails, ensuring stable operation under dynamic loads.
Audio Amplifier Supplies
With adjustable output up to 5.1V, it powers analog audio circuits, providing clean, low-noise supply for high-fidelity amplifiers.
Industrial Motor Controllers
The TO-263 package dissipates heat efficiently, making it suitable for motor control DSPs requiring 1.5A at 5V.
Telecom Line Cards
It regulates 5V for line drivers and transceivers, with the adjustable feature allowing fine-tuning for different logic families.
Battery Chargers
In charging circuits, it provides a regulated 5.1V for charging ICs, ensuring accurate voltage for lithium-ion batteries.
Test & Measurement Equipment
Precision instruments use this LDO for stable 5V rails, with the low dropout maintaining regulation during brownout conditions.
- Q: What is the output voltage of the LP3965ES-ADJ-TI?
- A: It is an adjustable LDO with a typical output of 5.1V (set by external resistors).
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The reference voltage is 1.216V; input voltage must be higher than output plus dropout.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.55V at 1.5A load.
- Q: What is the quiescent current?
- A: Quiescent current is 9 mA.
- Q: What package is available?
- A: It comes in a DDPAK/TO-263-5 package for excellent thermal performance.
- Q: What is the output voltage of the LP3965ES-ADJ-TI?
- A: It is an adjustable LDO with a typical output of 5.1V (set by external resistors).
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The reference voltage is 1.216V; input voltage must be higher than output plus dropout.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.55V at 1.5A load.
- Q: What is the quiescent current?
- A: Quiescent current is 9 mA.
- Q: What package is available?
- A: It comes in a DDPAK/TO-263-5 package for excellent thermal performance.

LP3965ES-ADJ-TI.pdf