Texas Instruments LM2575SX-12/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 | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 12V |
| Voltage - Output (Max) | - |
| 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-12/NOPB is a robust step-down DC-DC converter from Texas Instruments, providing a fixed 12V output. It operates from a wide input voltage range of 4V to 40V and delivers up to 1A of output current. The 52kHz switching frequency ensures efficient operation with a simple external component set. Housed in a TO-263 (D2PAK) package, it offers excellent thermal performance. This converter is well-suited for automotive, industrial, and telecom applications requiring a reliable 12V supply.
- Fixed 12V Output: Simplifies design for standard 12V loads without external feedback resistors.
- Wide 4V-40V Input: Accommodates a variety of supply sources, including 12V and 24V systems.
- 1A Current Capability: Powers relays, small motors, and analog circuits.
- 52kHz Switching: Balances efficiency and EMI, making it suitable for industrial environments.
- D2PAK Package: Provides a low thermal resistance path for heat dissipation.
Automotive Infotainment
Step down 24V or 12V vehicle batteries to a stable 12V rail for audio amplifiers, displays, and head units, with the 40V input rating providing margin for load dumps.
Industrial Sensors
In 24V industrial environments, this converter provides a regulated 12V supply for analog sensor front-ends and signal conditioning circuits, ensuring accurate measurements.
Telecom Equipment
Base stations and networking gear often use 48V backplanes; the LM2575SX-12 can step down to 12V for line cards and fan controllers.
Battery Charging
For 12V lead-acid or lithium battery charging systems, this buck converter can regulate the charging voltage from a higher unregulated DC source.
Distributed Power Systems
As an intermediate bus converter, it generates a 12V rail from a 24V or 36V source, which is then used by downstream point-of-load regulators.
- Q: What type of converter is the LM2575SX-12/NOPB?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the fixed output voltage?
- A: The fixed output voltage is 12V.
- Q: What is the maximum output current?
- A: The maximum output current is 1A.
- 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.
LM2575SX-12/NOPB.pdf
- Q: What type of converter is the LM2575SX-12/NOPB?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the fixed output voltage?
- A: The fixed output voltage is 12V.
- Q: What is the maximum output current?
- A: The maximum output current is 1A.
- 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.
