National Semiconductor LM2576HVSX-12
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $25.20 | $25.20 |
| 15+ | $5.80 | $87.00 |
| 25+ | $5.67 | $141.75 |
| 50+ | $5.36 | $268.00 |
| 100+ | $4.73 | $473.00 |
| N+ | $0.95 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | SIMPLE SWITCHER® |
| Packaging | Bulk | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 60V |
| Voltage - Output (Min/Fixed) | 12V |
| Voltage - Output (Max) | - |
| Current - Output | 3A |
| 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 LM2576HVSX-12 from National Semiconductor is a robust step-down DC-DC converter delivering a fixed 12V output from a 4V to 60V input. It supports up to 3A of load current at a 52kHz switching frequency, offering a simple, high-efficiency solution for automotive, industrial, and telecom applications. The TO-263-6 (D2PAK) package ensures excellent thermal performance in demanding environments.
- Ultra-wide 4V-60V input range handles automotive and industrial transients.
- 3A output current powers high-load devices with ease.
- 52kHz switching frequency reduces EMI and simplifies filtering.
- D2PAK package provides superior heat dissipation for continuous operation.
Automotive Systems
With a 4V to 60V input range, the LM2576HVSX-12 handles 12V and 24V vehicle electrical systems, providing a regulated 12V supply for infotainment, lighting, and control modules even during load dumps.
Industrial Power Supplies
Its 3A output and 52kHz operation make it suitable for industrial equipment requiring a robust 12V rail from 24V or 48V buses, with thermal shutdown for protection.
Telecom Infrastructure
In base stations and networking gear, this buck converter steps down 48V backplane voltages to 12V for line cards and fans, ensuring efficient power distribution.
Renewable Energy Systems
For solar or wind charge controllers, the wide input range accommodates varying panel voltages, delivering a stable 12V for battery charging or auxiliary loads.
Test and Measurement
Benchtop instruments benefit from its high current capability and simple design, providing a clean 12V supply from unregulated wall adapters.
- Q: What type of converter is the LM2576HVSX-12?
- 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 60V.
- Q: What is the maximum output current?
- A: The maximum output current is 3A.
- 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.
- Q: What is the output voltage?
- A: The output voltage is fixed at 12V.
LM2576HVSX-12.pdf
- Q: What type of converter is the LM2576HVSX-12?
- 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 60V.
- Q: What is the maximum output current?
- A: The maximum output current is 3A.
- 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.
- Q: What is the output voltage?
- A: The output voltage is fixed at 12V.
