Texas Instruments LM2575S-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.18 | $4.18 |
| 15+ | $4.05 | $60.75 |
| 25+ | $3.96 | $99.00 |
| 50+ | $3.74 | $187.00 |
| 100+ | $3.30 | $330.00 |
| N+ | $0.66 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | SIMPLE SWITCHER® |
| Packaging | Tube | |
| 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) | 5V |
| 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 LM2575S-5.0/NOPB is a simple, fixed 5V step-down DC-DC converter from Texas Instruments, delivering up to 1A of load current. It accepts a wide input voltage from 4V to 40V, making it highly versatile for automotive and industrial applications. Operating at a 52kHz switching frequency, it offers a good balance between efficiency and component size. This converter is known for its simplicity, requiring minimal external components to create a robust power supply.
- Wide Input Range (4V-40V): Works with a variety of supply sources, including automotive batteries.
- Fixed 5V Output: No feedback network needed, simplifying PCB layout.
- 1A Output Current: Adequate for many embedded systems and sensors.
- 52kHz Switching Frequency: Proven, reliable technology with low EMI concerns.
- TO-263 (D2PAK) Package: Excellent thermal performance for continuous operation.
Simple 5V Power Supply from 12V/24V Rails
With a 4V to 40V input range, this buck converter easily steps down common 12V or 24V industrial rails to a regulated 5V for logic circuits and sensors.
Automotive Aftermarket Electronics
Its 40V input tolerance handles automotive load-dump transients, making it suitable for dashcams, GPS trackers, and LED lighting controllers.
HVAC and Appliance Control Boards
In thermostats and washing machines, this converter provides a reliable 5V supply from a rectified AC-DC bus, with 52kHz switching for robust operation.
Battery Charger Circuits
The 1A output can be used to charge 5V USB devices from higher-voltage battery packs in portable power tools.
Distributed Power in Test Equipment
For benchtop instruments, this converter generates a clean 5V rail from a 24V internal supply, powering digital displays and control interfaces.
- Q: What type of converter is the LM2575S-5.0/NOPB?
- A: It is a step-down (Buck) DC-DC converter with a fixed 5V output.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the output voltage?
- A: The output voltage is fixed at 5V.
- 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.
LM2575S-5.0/NOPB.pdf
- Q: What type of converter is the LM2575S-5.0/NOPB?
- A: It is a step-down (Buck) DC-DC converter with a fixed 5V output.
- Q: What is the input voltage range?
- A: The input voltage range is 4V to 40V.
- Q: What is the output voltage?
- A: The output voltage is fixed at 5V.
- 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.
