UMW LM2596S-12
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.19 | $4.19 |
| 15+ | $3.85 | $57.75 |
| 25+ | $3.77 | $94.25 |
| 50+ | $3.56 | $178.00 |
| 100+ | $3.14 | $314.00 |
| N+ | $0.63 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | UMW |
| Product Series | LM2596 |
| 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) | 12V |
| Voltage - Output (Max) | - |
| Current - Output | 3A |
| Frequency - Switching | 150kHz |
| Synchronous Rectifier | No |
| 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 LM2596S-12 is a reliable and simple step-down switching regulator from UMW, offering a fixed 12V output. It accepts a wide input voltage up to 40V and delivers a robust 3A load current. Operating at a low 150kHz switching frequency, it provides excellent efficiency while minimizing electromagnetic interference. The TO-263 (D2PAK) package ensures good thermal performance for continuous operation. This converter is an ideal choice for a wide range of applications, including industrial controls, LED lighting, and audio systems, where a stable and cost-effective 12V supply is required.
- High Output Current (3A): Can power a wide range of loads, from motors to multiple LED strips.
- Wide Input Voltage (up to 40V): Offers flexibility in sourcing power from various unregulated supplies.
- Fixed 12V Output: Simplifies design and eliminates the need for external resistor dividers.
- Low Switching Frequency (150kHz): Reduces EMI and improves noise immunity in sensitive applications.
12V Power Supply for Audio Equipment
The fixed 12V output and 3A capability make it perfect for powering car audio amplifiers, mixers, and other audio gear from a higher voltage battery or unregulated supply.
Industrial Control Panels
In industrial settings, the LM2596S-12 steps down 24V or 36V control voltages to a stable 12V rail for relays, valves, and PLC I/O modules.
LED Lighting Systems
For high-power LED strips and lighting fixtures, this converter provides a constant 12V supply, ensuring consistent brightness and longevity.
Telecom and Networking
It can power 12V fans, switches, and small networking devices from a 24V or 48V telecom backplane, simplifying power distribution.
Battery Charging Circuits
The 3A output can be used to charge 12V lead-acid or lithium battery packs from a higher voltage solar panel or DC source.
DIY and Hobbyist Projects
Its simple design and through-hole D2PAK package make it a popular choice for hobbyists building bench power supplies or robotics controllers.
- Q: What type of converter is the LM2596S-12?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the maximum input voltage?
- A: The maximum input voltage is 40V.
- Q: What is the fixed output voltage?
- A: The output voltage is fixed at 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 150kHz.
- Q: What package does it come in?
- A: It is available in a TO-263-6 (D2PAK) package.
- Q: What type of converter is the LM2596S-12?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the maximum input voltage?
- A: The maximum input voltage is 40V.
- Q: What is the fixed output voltage?
- A: The output voltage is fixed at 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 150kHz.
- Q: What package does it come in?
- A: It is available in a TO-263-6 (D2PAK) package.

LM2596S-12.pdf