Texas Instruments LM2576HVSX-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.90 | $6.90 |
| 15+ | $6.68 | $100.20 |
| 25+ | $6.53 | $163.25 |
| 50+ | $6.17 | $308.50 |
| 100+ | $5.45 | $545.00 |
| N+ | $1.09 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | SIMPLE SWITCHER® |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 60V |
| Voltage - Output (Min/Fixed) | 1.23V |
| Voltage - Output (Max) | 57V |
| 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 LM2576HVSX-ADJ/NOPB is a versatile step-down (buck) DC-DC converter IC from Texas Instruments, designed for high-voltage applications. It accepts a wide input voltage from 4V to 60V and provides an adjustable output from 1.23V to 57V, with up to 3A of load current. Operating at a simple 52kHz switching frequency, it offers a good balance between efficiency and component size, requiring only a few external parts. Its high input voltage rating and thermal shutdown protection make it a reliable choice for industrial, automotive, and telecom power supplies.
- Adjustable Output Flexibility: Output can be set from 1.23V to 57V using external resistors, accommodating a wide range of applications.
- High Input Voltage Tolerance: Handles up to 60V input, making it ideal for automotive and industrial environments with voltage spikes.
- High Output Current: Delivers up to 3A, sufficient for powering multiple logic circuits, sensors, and small motors.
- Simple Design: Requires minimal external components (inductor, diode, resistors, capacitors), simplifying PCB layout and reducing BOM cost.
- Proven Reliability: Includes thermal shutdown and current limit protection, ensuring safe operation under fault conditions.
Adjustable Power Supplies
The adjustable output from 1.23V to 57V makes the LM2576HVSX-ADJ ideal for bench power supplies and lab equipment, allowing users to set precise voltages for testing various circuits.
Automotive Sensor Systems
With a 60V input rating, this converter can power automotive sensors and actuators from a 12V or 24V battery, providing a stable adjustable voltage for different sensor requirements.
Industrial Control Panels
In industrial control panels, the adjustable output allows designers to generate custom rails (e.g., 3.3V, 5V, 12V) from a common 24V supply, simplifying power distribution for PLCs and HMIs.
Telecom Base Stations
The LM2576HV can step down a 48V telecom bus to an adjustable voltage for RF amplifiers, digital signal processors, and other sensitive electronics, ensuring clean power delivery.
Battery-Powered Equipment
For battery-powered devices, the adjustable output enables efficient voltage conversion from a high-voltage battery pack to a lower logic voltage, maximizing battery utilization.
Renewable Energy Systems
In solar or wind power systems, this buck converter can regulate a variable input voltage to a stable adjustable output for battery charging or inverter control circuits.
- Q: What type of converter is the LM2576HVSX-ADJ/NOPB?
- A: It is a step-down (buck) DC-DC converter IC from Texas Instruments.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 60V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 1.23V to 57V.
- Q: What is the maximum load current?
- A: It can deliver up to 3A of load current.
- 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-263-6 (D2PAK) package with 5 leads plus tab.
- Q: What type of converter is the LM2576HVSX-ADJ/NOPB?
- A: It is a step-down (buck) DC-DC converter IC from Texas Instruments.
- Q: What is the input voltage range?
- A: The input voltage range is from 4V to 60V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 1.23V to 57V.
- Q: What is the maximum load current?
- A: It can deliver up to 3A of load current.
- 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-263-6 (D2PAK) package with 5 leads plus tab.

LM2576HVSX-ADJ/NOPB.pdf