UMW LM2575S-ADJ
| 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 | LM2575 |
| Packaging | Cut Tape (CT) | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | - |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 37V |
| Current - Output | 2A |
| 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 LM2575S-ADJ is a simple and efficient Buck DC-DC converter capable of delivering 2A to loads. It accepts a wide input voltage up to 40V and provides an adjustable output from 1.2V to 37V. The fixed 150kHz switching frequency allows for small external components while maintaining high efficiency. This device requires minimal external parts, simplifying design and reducing board space. It is an ideal choice for a wide range of applications including automotive, industrial, and distributed power systems where reliability and simplicity are key.
- Wide Input Voltage Range: Handles up to 40V, making it suitable for automotive and industrial power rails with transients.
- High Output Current: Provides up to 2A, sufficient for powering multiple ICs, sensors, and small motors.
- Simple Design: Requires only a few external components (inductor, diode, capacitors), reducing design time and BOM cost.
- Proven Reliability: Based on the industry-standard LM2575 architecture, known for its robustness and ease of use.
Automotive Battery Regulation
With a 40V input rating, it can directly regulate from a 12V or 24V vehicle battery system, handling load-dump transients. The 2A output is suitable for powering sensors, ECUs, and infotainment modules.
Industrial Control Systems
Provides a rugged, reliable supply for microcontrollers, relays, and actuators from a 24V industrial bus. The 150kHz fixed frequency simplifies EMI filtering, and the D2PAK package ensures good thermal dissipation in harsh environments.
Distributed Power Architectures
Used as an intermediate bus converter to step down a high-voltage rail (e.g., 24V or 36V) to a lower voltage for local POL regulators. Its high efficiency and 2A capability make it a versatile building block.
Networking Equipment
Powers communication interfaces and logic circuits from a 12V or 24V supply. The wide output range (up to 37V) also allows it to generate auxiliary rails for test equipment or line drivers.
Renewable Energy Systems
Regulates the output of solar panels or small wind turbines (up to 40V) down to a stable voltage for battery charging or direct DC loads. The simple, robust design is well-suited for outdoor, unattended operation.
- Q: What type of converter is the LM2575S-ADJ?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the maximum input voltage?
- A: The maximum input voltage is 40V.
- Q: What is the output voltage range?
- A: The output is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can provide up to 2A of load current.
- Q: What is the switching frequency?
- A: The fixed switching frequency is 150kHz.
- Q: What package is available?
- A: It is available in a TO-263-6 (D2PAK) package with 5 leads plus tab.
- Q: What type of converter is the LM2575S-ADJ?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the maximum input voltage?
- A: The maximum input voltage is 40V.
- Q: What is the output voltage range?
- A: The output is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can provide up to 2A of load current.
- Q: What is the switching frequency?
- A: The fixed switching frequency is 150kHz.
- Q: What package is available?
- A: It is available in a TO-263-6 (D2PAK) package with 5 leads plus tab.

LM2575S-ADJ.pdf