Texas Instruments LM2575S-12/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) | 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 LM2575S-12/NOPB from Texas Instruments is a simple, reliable step-down DC-DC converter that provides a fixed 12V output from an input voltage ranging from 4V to 40V. It is capable of delivering up to 1A of load current and operates at a switching frequency of 52kHz. This device is well-suited for a wide range of applications, including automotive, industrial, and telecom systems, where a robust and easy-to-use power solution is required. Its TO-263 package ensures good thermal performance in demanding environments.
- Wide Input Voltage Range: Handles 4V to 40V, making it versatile for automotive and industrial applications.
- Simple, Robust Design: Requires minimal external components and is easy to implement.
- Fixed 12V Output: Eliminates the need for external resistor dividers, simplifying the BOM.
- Proven Reliability: A mature, widely-used part with a long track record in industrial applications.
Automotive Power Supplies
The wide 4V to 40V input range makes it suitable for automotive systems that need to regulate 12V from a vehicle's battery, which can vary significantly during operation.
Industrial Control Systems
Provides a robust 12V rail for PLCs, motor controllers, and industrial sensors from a 24V or 48V industrial bus.
Telecom Equipment
Steps down higher telecom bus voltages (e.g., 24V or 48V) to a stable 12V for line cards, routers, and switches.
Distributed Power Architectures
Used as an intermediate bus converter to generate a 12V rail that feeds downstream point-of-load (POL) converters.
Battery Charging Systems
Can be used to charge 12V lead-acid or lithium batteries from a higher-voltage solar panel or DC supply.
HVAC and Appliance Controls
Provides a reliable 12V supply for control boards in heating, ventilation, and air conditioning systems.
- Q: What type of converter is the LM2575S-12/NOPB?
- A: It is a simple step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 40V.
- Q: What is the output voltage?
- A: This version has a fixed output voltage of 12V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It is available in a TO-263-6 (D2PAK) package.
LM2575S-12/NOPB.pdf
- Q: What type of converter is the LM2575S-12/NOPB?
- A: It is a simple step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 40V.
- Q: What is the output voltage?
- A: This version has a fixed output voltage of 12V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 52kHz.
- Q: What package is available?
- A: It is available in a TO-263-6 (D2PAK) package.
