Texas Instruments LMS1587CSX-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.63 | $2.63 |
| 15+ | $2.55 | $38.25 |
| 25+ | $2.49 | $62.25 |
| 50+ | $2.35 | $117.50 |
| 100+ | $2.08 | $208.00 |
| N+ | $0.42 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 13V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 11.7V |
| Voltage Dropout (Max) | 1.3V @ 3A |
| Current - Output | 3A |
| 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 Texas Instruments LMS1587CSX-ADJ/NOPB is a high-current, adjustable linear regulator capable of delivering up to 3A. With an output range from 1.25V to 11.7V and a low dropout of 1.3V, it offers design flexibility for demanding applications. Its excellent 72dB ripple rejection ensures clean power for sensitive electronics, while the TO-263 package provides efficient thermal performance.
- High Output Current: Delivers up to 3A, suitable for powering high-performance processors and FPGAs.
- Excellent Ripple Rejection: 72dB PSRR at 120Hz ensures a clean output, ideal for audio and precision analog circuits.
- Adjustable Output: Flexible 1.25V to 11.7V range allows use across multiple voltage rails with minimal external components.
- Low Dropout Voltage: 1.3V dropout maximizes efficiency in battery-powered systems by allowing operation closer to the battery's end-of-life voltage.
High-Current FPGA and DSP Core Supplies
The 3A output capability and adjustable output down to 1.25V make it ideal for powering the core voltages of FPGAs and DSPs that require precise, low-voltage, high-current rails.
Post-Regulation for Switching Supplies
With 72dB PSRR at 120Hz, this LDO effectively filters ripple from a preceding DC-DC converter, providing a clean, low-noise supply for sensitive analog circuits.
Battery-Powered Industrial Equipment
The low dropout of 1.3V maximizes battery life by allowing operation even when the battery voltage is close to the output voltage, extending usable runtime.
Bench Power Supply Output Stage
Its adjustable output and high current make it suitable as a precision output stage in laboratory power supplies, offering stable and adjustable voltages.
Automotive Infotainment Systems
The robust TO-263 package handles the thermal demands of automotive environments, providing a stable 3A rail for infotainment processors and displays.
Networking and Telecom Line Cards
Provides a clean, regulated 3A supply for line card ASICs and PHY transceivers, ensuring reliable operation in high-noise telecom environments.
- Q: What is the output voltage range of the LMS1587CSX-ADJ/NOPB?
- A: The adjustable output voltage range is from 1.25V up to 11.7V, set by external resistors.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 3A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.25V up to 13V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1.3V at a 3A load.
- Q: What is the quiescent current?
- A: The quiescent current is 7 mA, which is relatively low for a 3A regulator.
- Q: What package is available?
- A: It is available in the TO-263 (DDPAK-3) surface-mount package.
- Q: What is the output voltage range of the LMS1587CSX-ADJ/NOPB?
- A: The adjustable output voltage range is from 1.25V up to 11.7V, set by external resistors.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 3A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.25V up to 13V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1.3V at a 3A load.
- Q: What is the quiescent current?
- A: The quiescent current is 7 mA, which is relatively low for a 3A regulator.
- Q: What package is available?
- A: It is available in the TO-263 (DDPAK-3) surface-mount package.

LMS1587CSX-ADJ/NOPB.pdf