Texas Instruments LM2575SX-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.72 | $3.72 |
| 15+ | $3.61 | $54.15 |
| 25+ | $3.53 | $88.25 |
| 50+ | $3.33 | $166.50 |
| 100+ | $2.94 | $294.00 |
| N+ | $0.59 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | SIMPLE SWITCHER® |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.23V |
| Voltage - Output (Max) | 37V |
| Current - Output | 1A |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263 (DDPAK-5) |
| ROHS |  |
The LM2575SX-ADJ/NOPB from Texas Instruments is an adjustable step-down (buck) switching regulator that delivers up to 1A of output current. It accepts a wide input voltage from 4V to 40V and provides an adjustable output from 1.23V to 37V, set by two external resistors. Operating at a 52kHz switching frequency, it offers high efficiency and requires minimal external components. This versatility makes it suitable for a wide range of applications, from industrial to automotive.
- Adjustable Output (1.23V-37V): Provides maximum design flexibility for various voltage requirements.
- Wide Input Range (4V-40V): Compatible with multiple power sources, including automotive and industrial rails.
- 1A Output Current: Suitable for a broad range of loads, from logic circuits to sensors.
- 52kHz Switching Frequency: Ensures good efficiency while keeping EMI manageable.
- Robust TO-263 Package: Offers excellent thermal dissipation for reliable operation.
Adjustable Power Supplies for Test Equipment
The adjustable output from 1.23V to 37V makes it ideal for bench power supplies and test equipment where variable voltages are required.
Automotive Sensor Power
With a 40V input rating, it can step down automotive battery voltage to a precise adjustable level for sensors and actuators.
Industrial Process Control
In process control systems, the LM2575SX-ADJ provides a stable, adjustable rail for analog circuits, transducers, and control loops.
Battery Chargers
The adjustable output allows it to be configured as a simple constant-voltage charger for lead-acid or lithium batteries.
Networking and Communication
For networking equipment, it can generate various voltage rails (e.g., 3.3V, 5V, 12V) from a single input, simplifying power distribution.
Prototyping and Development Boards
Its flexibility and simplicity make it a popular choice for prototyping boards and development platforms where multiple voltages are needed.
- Q: What type of converter is the LM2575SX-ADJ/NOPB?
- A: It is an adjustable step-down (Buck) switching voltage regulator.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 40V.
- Q: What is the adjustable output voltage range?
- A: The output voltage can be adjusted from 1.23V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package with 5 leads plus tab.
LM2575SX-ADJ/NOPB.pdf
- Q: What type of converter is the LM2575SX-ADJ/NOPB?
- A: It is an adjustable step-down (Buck) switching voltage regulator.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 40V.
- Q: What is the adjustable output voltage range?
- A: The output voltage can be adjusted from 1.23V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package with 5 leads plus tab.
