Texas Instruments LM1084ISX-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.67 | $2.67 |
| 15+ | $2.59 | $38.85 |
| 25+ | $2.53 | $63.25 |
| 50+ | $2.39 | $119.50 |
| 100+ | $2.11 | $211.00 |
| N+ | $0.42 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 27V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.5V @ 5A |
| Current - Output | 5A |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | 72dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-4, D2PAK (3 Leads + Tab), TO-263AA |
| Supplier Device Package | TO-263 (DDPAK-3) |
| ROHS |  |
The Texas Instruments LM1084ISX-3.3/NOPB is a robust 5A low dropout linear regulator designed for high-current applications requiring a stable 3.3V output. Its low dropout voltage of 1.5V ensures efficient operation even with a modest input-to-output voltage differential. Featuring excellent line and load regulation, this regulator delivers clean, reliable power for sensitive electronics. The TO-263 package provides superior thermal dissipation, making it a dependable choice for demanding industrial, automotive, and networking environments.
- High 5A Output Current: Supports power-hungry loads like FPGAs and processors without needing multiple parallel regulators.
- Low Dropout Voltage (1.5V @ 5A): Enhances efficiency and extends battery life in portable applications by allowing operation closer to the output voltage.
- Excellent PSRR (72dB @ 120Hz): Effectively rejects power supply ripple, ensuring clean and stable output for sensitive analog and digital circuits.
- Robust TO-263 Package: Provides excellent thermal performance, enabling reliable operation at full current in high-temperature environments.
High-Current FPGA and DSP Core Power
The 5A output capability and 3.3V fixed output make it ideal for powering the core voltage of high-performance FPGAs and DSPs that require stable, low-noise power for reliable operation.
5V to 3.3V Point-of-Load Conversion
In systems with a 5V rail, the LM1084ISX-3.3/NOPB provides an efficient and simple solution for generating a 3.3V supply for peripherals, memory, and I/O interfaces, reducing component count.
Post-Regulation for Switching Supplies
Its high PSRR of 72dB at 120Hz effectively filters out ripple and switching noise from a preceding DC-DC converter, delivering clean analog power for sensitive audio or measurement equipment.
Battery-Powered Industrial Equipment
The low dropout voltage maximizes battery life by allowing the battery to discharge deeper before the regulator drops out, making it suitable for portable industrial tools and instruments.
Automotive Infotainment and Telematics
With its robust TO-263 package and high current capability, it can reliably power infotainment processors and telematics modules that demand stable 3.3V power under varying load conditions.
Networking and Communication Infrastructure
For routers, switches, and base stations, this LDO provides a clean and stable 3.3V rail for high-speed transceivers and logic, ensuring signal integrity and system uptime.
- Q: What is the fixed output voltage of the LM1084ISX-3.3/NOPB?
- A: This LDO regulator provides a fixed 3.3V output, ideal for powering 3.3V logic and microcontroller circuits.
- Q: What is the maximum output current?
- A: The LM1084ISX-3.3/NOPB can deliver up to 5A of continuous output current, suitable for high-current loads.
- Q: What is the input voltage range?
- A: The input voltage must be at least 3.3V plus the dropout voltage (1.5V @ 5A), so a minimum of 4.8V is recommended. The absolute maximum input is 30V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.5V at a 5A load, meaning the input must be at least 1.5V above the output to maintain regulation.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA, which is typical for a high-current LDO of this class.
- Q: What package is this device available in?
- A: It comes in a TO-263 (DDPAK-3) surface-mount package, which offers excellent thermal performance for high-power applications.
LM1084ISX-3.3/NOPB.pdf
- Q: What is the fixed output voltage of the LM1084ISX-3.3/NOPB?
- A: This LDO regulator provides a fixed 3.3V output, ideal for powering 3.3V logic and microcontroller circuits.
- Q: What is the maximum output current?
- A: The LM1084ISX-3.3/NOPB can deliver up to 5A of continuous output current, suitable for high-current loads.
- Q: What is the input voltage range?
- A: The input voltage must be at least 3.3V plus the dropout voltage (1.5V @ 5A), so a minimum of 4.8V is recommended. The absolute maximum input is 30V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.5V at a 5A load, meaning the input must be at least 1.5V above the output to maintain regulation.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA, which is typical for a high-current LDO of this class.
- Q: What package is this device available in?
- A: It comes in a TO-263 (DDPAK-3) surface-mount package, which offers excellent thermal performance for high-power applications.
