Texas Instruments LM2576T-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.00 | $5.00 |
| 15+ | $4.60 | $69.00 |
| 25+ | $4.50 | $112.50 |
| 50+ | $4.25 | $212.50 |
| 100+ | $3.75 | $375.00 |
| N+ | $0.75 | 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 | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.23V |
| Voltage - Output (Max) | 37V |
| Current - Output | 3A |
| Frequency - Switching | 52kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-5 |
| Supplier Device Package | TO-220-5 |
| ROHS |
The Texas Instruments LM2576T-ADJ/NOPB is a classic step-down DC-DC converter known for its simplicity and robustness. It accepts an input voltage from 4V to 40V and delivers up to 3A of output current with an adjustable output from 1.23V to 37V. Operating at a fixed 52kHz switching frequency, it requires only a few external components. This converter is ideal for applications where reliability and ease of use are paramount, such as industrial controls and basic power supplies.
- High Output Current: 3A capability for a wide range of loads.
- Simple Design: Requires minimal external components, simplifying PCB layout.
- Wide Input Range: 4V to 40V accommodates various power sources.
- Robust Package: TO-220 package allows for easy heatsinking and reliable thermal performance.
Simple Power Supplies
With its simple architecture and minimal external components, it is ideal for basic step-down power supplies in hobbyist and industrial projects.
Battery Chargers
The adjustable output up to 37V makes it suitable for charging lead-acid or lithium battery packs with appropriate current limiting.
Automotive Accessories
Handles 12V automotive systems, stepping down to 5V or 3.3V for aftermarket accessories like dash cams and sensors.
Industrial Control Panels
Provides a rugged and reliable power solution for PLCs and control relays, with the TO-220 package offering easy heatsinking.
Test and Measurement
Used in benchtop power supplies and test equipment where simplicity and reliability are more important than size.
LED Drivers
Can be configured as a constant-current LED driver for high-power LEDs in lighting applications.
- Q: What type of converter is the LM2576T-ADJ/NOPB?
- A: It is a 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 range?
- A: The output is adjustable from 1.23V up to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 3A.
- Q: What is the switching frequency?
- A: It operates at a fixed 52kHz switching frequency.
- Q: What package is available?
- A: It comes in a TO-220-5 package.
- Q: What type of converter is the LM2576T-ADJ/NOPB?
- A: It is a 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 range?
- A: The output is adjustable from 1.23V up to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 3A.
- Q: What is the switching frequency?
- A: It operates at a fixed 52kHz switching frequency.
- Q: What package is available?
- A: It comes in a TO-220-5 package.

LM2576T-ADJ/NOPB.pdf