Texas Instruments LM2576S-12/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.53 | $3.53 |
| 15+ | $3.42 | $51.30 |
| 25+ | $3.35 | $83.75 |
| 50+ | $3.16 | $158.00 |
| 100+ | $2.79 | $279.00 |
| N+ | $0.56 | 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 | 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-12/NOPB is a step-down DC-DC converter from Texas Instruments, providing a fixed 12V output from a 4V to 40V input. It supports up to 3A of load current with a 52kHz switching frequency. The TO-263 package offers excellent thermal performance. This converter is well-suited for automotive, industrial, and networking applications requiring a reliable 12V supply.
- Fixed 12V output simplifies design and reduces external components.
- Wide input range (4V-40V) handles automotive and industrial voltage variations.
- 3A output current supports high-power 12V loads.
- 52kHz switching frequency balances efficiency and EMI.
- TO-263 package ensures reliable thermal dissipation.
Automotive Infotainment
Provides a stable 12V rail for audio amplifiers, displays, and navigation systems from a 24V or 36V battery bus, handling wide transients.
Industrial Actuators
Powers 12V solenoids, valves, and relays in factory automation, with 3A capacity for multiple actuators and a robust TO-263 package.
Networking Equipment
Converts 24V or 48V input to 12V for routers, switches, and optical modules, ensuring reliable operation in telecom infrastructure.
LED Lighting Systems
Drives 12V LED strips and lighting controllers in commercial and residential applications, offering efficient step-down conversion.
Test Equipment
Supplies 12V to bench instruments, signal generators, and measurement devices, providing a clean and regulated power source.
Security Systems
Powers 12V cameras, alarms, and access control panels from a 24V backup battery, ensuring continuous operation.
- Q: What type of converter is the LM2576S-12/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 fixed output voltage?
- A: The fixed output voltage is 12V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of 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.
- Q: What type of converter is the LM2576S-12/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 fixed output voltage?
- A: The fixed output voltage is 12V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of 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-12/NOPB.pdf