Texas Instruments LMS1585ACS-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.15 | $3.15 |
| 15+ | $3.05 | $45.75 |
| 25+ | $2.99 | $74.75 |
| 50+ | $2.82 | $141.00 |
| 100+ | $2.49 | $249.00 |
| N+ | $0.50 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 13V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.4V @ 5A |
| Current - Output | 5A |
| Current - Quiescent (Iq) | 7 mA |
| Current - Supply (Max) | 13 mA |
| PSRR | 72dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | 0°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 LMS1585ACS-3.3/NOPB is a 5A low dropout regulator from Texas Instruments, delivering a fixed 3.3V output. With a 1.4V dropout at full load and 72dB PSRR, it ensures clean, stable power for digital and mixed-signal systems. The TO-263 package provides excellent heat dissipation for high-current applications.
- Fixed 3.3V Output: Simplifies design for standard 3.3V logic and I/O systems.
- 5A Output Current: Handles high-current loads with ease, reducing the need for parallel regulators.
- Low Dropout (1.4V @ 5A): Operates efficiently from 5V rails with minimal power loss.
- 72dB PSRR: Provides excellent filtering of input ripple for noise-sensitive applications.
3.3V Microprocessor Cores
Power DSPs, MCUs, and FPGAs requiring 3.3V at up to 5A. The low dropout ensures stable operation even with input voltage dips.
DDR Memory Termination
Provide a clean 3.3V rail for DDR memory controllers and termination circuits, with 72dB PSRR to minimize noise coupling.
Networking Switches
Regulate 5V down to 3.3V for high-speed Ethernet PHYs and switches, ensuring reliable data integrity.
Industrial Sensors and Actuators
Supply stable 3.3V to precision sensors and control loops, with low quiescent current for power-sensitive designs.
Set-Top Boxes and Media Players
Deliver 3.3V to application processors and memory, with robust thermal performance in compact enclosures.
FPGA I/O Banks
Power 3.3V I/O banks on FPGAs, providing high current for many simultaneous switching outputs.
- Q: What is the fixed output voltage?
- A: The LMS1585ACS-3.3/NOPB provides a fixed 3.3V output, ideal for standard logic rails.
- Q: What is the maximum output current?
- A: It can source up to 5A of continuous output current.
- Q: What is the dropout voltage?
- A: Dropout is typically 1.4V at 5A load, allowing regulation from a 4.7V input.
- Q: What is the quiescent current?
- A: Quiescent current is 7mA, slightly lower than comparable 5A regulators.
- Q: What is the PSRR performance?
- A: PSRR is 72dB at 120Hz, providing good ripple rejection for clean 3.3V supplies.
- Q: What package is available?
- A: It comes in the TO-263 (DDPAK-3) surface-mount package.
LMS1585ACS-3.3/NOPB.pdf
- Q: What is the fixed output voltage?
- A: The LMS1585ACS-3.3/NOPB provides a fixed 3.3V output, ideal for standard logic rails.
- Q: What is the maximum output current?
- A: It can source up to 5A of continuous output current.
- Q: What is the dropout voltage?
- A: Dropout is typically 1.4V at 5A load, allowing regulation from a 4.7V input.
- Q: What is the quiescent current?
- A: Quiescent current is 7mA, slightly lower than comparable 5A regulators.
- Q: What is the PSRR performance?
- A: PSRR is 72dB at 120Hz, providing good ripple rejection for clean 3.3V supplies.
- Q: What package is available?
- A: It comes in the TO-263 (DDPAK-3) surface-mount package.
