UMW LM2576S-5.0
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.29 | $3.29 |
| 15+ | $3.18 | $47.70 |
| 25+ | $3.11 | $77.75 |
| 50+ | $2.94 | $147.00 |
| 100+ | $2.60 | $260.00 |
| N+ | $0.52 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | UMW |
| Product Series | LM2576 |
| 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) | - |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | - |
| Voltage - Output (Max) | 5V |
| Current - Output | 3A |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263-5L |
| ROHS |  |
The LM2576S-5.0 is a simple, high-efficiency Buck DC-DC converter that provides a fixed 5V output from a wide input voltage range of 4V to 40V. It is capable of delivering up to 3A of load current, making it suitable for a variety of industrial and automotive applications. Operating at a low 52kHz switching frequency, it offers excellent efficiency and requires only a few external components. Its robust design and wide input range make it a popular choice for unregulated power supplies.
- Wide Input Voltage Range (4V-40V): Handles unregulated supplies and automotive transients.
- High Output Current (3A): Suitable for powering multiple loads or high-current devices.
- Simple External Circuitry: Requires minimal external components, simplifying design.
- Fixed 5V Output: Ideal for standard logic and microcontroller supplies.
Automotive Battery-Powered Systems
The 40V input rating handles 12V and 24V automotive electrical systems, including load-dump transients. It provides a regulated 5V rail for ECUs, sensors, and infotainment systems.
Industrial Control and Automation
With a wide 4V to 40V input, it can operate from unregulated industrial power supplies, providing a stable 5V for PLCs, motor controllers, and process control equipment.
Distributed Power Architectures
As a simple, robust step-down converter, it is often used to generate an intermediate 5V bus from a 24V or 48V backplane, which then powers lower-voltage POL converters.
Telecom and Networking Equipment
In base stations and network switches, the LM2576S-5.0 converts a 12V or 24V rail down to 5V for logic circuits, line drivers, and auxiliary systems.
Consumer Appliances and White Goods
For appliances with microcontrollers, this converter provides a reliable 5V supply from rectified AC (after a simple pre-regulator), powering control panels and user interfaces.
Renewable Energy and Battery Charging
In solar or wind systems with variable DC bus voltages (up to 40V), it can step down to 5V for monitoring electronics, data loggers, and communication modules.
- Q: What type of converter is the LM2576S-5.0?
- A: It is a Buck (step-down) DC-DC converter, also configurable as a buck-boost.
- 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 load current.
- Q: What is the switching frequency?
- A: It operates at a low 52kHz switching frequency.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package.
LM2576S-5.0.pdf
- Q: What type of converter is the LM2576S-5.0?
- A: It is a Buck (step-down) DC-DC converter, also configurable as a buck-boost.
- 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 load current.
- Q: What is the switching frequency?
- A: It operates at a low 52kHz switching frequency.
- Q: What package is available?
- A: It comes in a TO-263-6 (D2PAK) package.
