Texas Instruments LM2576S-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.10 | $4.10 |
| 15+ | $3.97 | $59.55 |
| 25+ | $3.89 | $97.25 |
| 50+ | $3.67 | $183.50 |
| 100+ | $3.24 | $324.00 |
| N+ | $0.65 | 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 | 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 LM2576S-5.0/NOPB from Texas Instruments is a simple and reliable step-down (buck) switching regulator. It accepts a wide input voltage from 4V to 40V and delivers a fixed 5V output with a continuous load current of up to 3A. Operating at a fixed 52kHz switching frequency, it offers a good balance between efficiency and external component size. This regulator is well-suited for a variety of applications including battery chargers, distributed power systems, and pre-regulation for linear regulators.
- High Efficiency: Switching regulator design offers significantly higher efficiency than linear regulators, reducing heat dissipation and extending battery life.
- Wide Input Range: Accepts inputs from 4V to 40V, making it versatile for various power sources and transient conditions.
- High Output Current: Capable of delivering up to 3A, suitable for powering a wide range of digital and analog loads.
- Simple Design: Requires minimal external components due to the fixed 52kHz frequency and integrated switch, simplifying PCB layout and BOM.
Battery-Powered Systems
Ideal for reducing higher battery voltages (e.g., 12V or 24V) to a stable 5V rail for microcontrollers and sensors, leveraging the high efficiency of the buck topology to extend battery life.
Industrial Control Panels
Provides a robust 5V supply from 24V industrial buses, with the 3A current capability to power logic circuits, relays, and indicator LEDs in PLCs and motor controllers.
Automotive Accessories
With a 40V input maximum, it can handle load-dump transients in 12V automotive systems, powering infotainment, telematics, and sensor modules reliably.
Networking Equipment
Converts 12V or 24V input rails to 5V for routers, switches, and small-cell base stations, ensuring stable operation for digital processing and communication ICs.
Point-of-Load (POL) Regulation
Used as a local 5V supply from a higher intermediate bus voltage in distributed power architectures, reducing noise and improving regulation for sensitive loads.
Consumer Electronics
Powers set-top boxes, gaming consoles, and home appliances from a 12V adapter, providing a cost-effective and efficient 5V solution.
- Q: What type of converter is the LM2576S-5.0/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 output voltage?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous 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.
LM2576S-5.0/NOPB.pdf
- Q: What type of converter is the LM2576S-5.0/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 output voltage?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous 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.
