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LM2576SX-ADJ
The LM2576SX-ADJ converter is housed in a 6-pin DDPAK package, making it easy to integrate into various electronic applicationsLM2576SX-ADJ
The LM2576SX-ADJ converter is housed in a 6-pin DDPAK package, making it easy to integrate into various electronic applications
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Manufacturer Part # : LM2576SX-ADJ
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Other Name : LM2576SX-ADJ/NOPB
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Package/Case: TO263
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Brand: Texas Instruments
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Product Categories : Voltage Regulators , DC DC Switching Regulators
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Series : LM2576
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Service & Packaging
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LM2576SX-ADJ DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.484 | $0.48 |
| 10 | $0.430 | $4.30 |
| 30 | $0.403 | $12.09 |
| 100 | $0.375 | $37.50 |
| 500 | $0.360 | $180.00 |
| 1000 | $0.350 | $350.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
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LM2576SX-ADJ Description
The LM2576SX-ADJ is a voltage regulator IC from Texas Instruments, designed for efficient and reliable power conversion in various applications. This device offers adjustable output voltage, a wide input voltage range, up to 3A output current, thermal shutdown, and internal current limiting, making it suitable for a wide range of low to moderate power voltage regulation tasks.
Pin Details
The LM2576SX-ADJ is a simple external component-count step-down regulator with 8 pins. It includes pins for output voltage, enable, and ground connections.
Pin configuration
- VOUT: Adjustable Output Voltage
- EN: Enable Input
- GND: Ground
- IN: Input Voltage
- FB: Feedback Pin
- COMP: Compensation Pin
- CS: Current Sense Pin
- VCC: Positive Power Supply
Features
- Adjustable Output Voltage: Offers a wide range of output voltages from 1.2V to 37V.
- Wide Input Voltage Range: Operates with input voltages from 4.5V to 40V.
- High Output Current: Provides up to 3A of output current for demanding applications.
- Thermal Shutdown: Protects the device from overheating by shutting down the regulator when temperatures exceed a certain threshold.
- Internal Current Limiting: Prevents damage caused by excessive inrush currents during startup or fault conditions.
Applications
The LM2576SX-ADJ is suitable for various applications, including power supplies, battery chargers, and DC/DC converters in industrial, automotive, and consumer electronics.
Where to Use:
This device can be used in a wide range of applications where efficient and reliable power conversion is required, such as:
- Power supplies for industrial equipment
- Battery chargers for electric vehicles
- DC/DC converters for consumer electronics
- Automotive systems requiring high-reliability power conversion
Manufacturer
The LM2576SX-ADJ is manufactured by Texas Instruments (TI), a global leader in semiconductor technology.
Packages
The LM2576SX-ADJ comes in an 8-pin SOIC package, designed for surface-mount technology and offering a compact and efficient solution for integrating the regulator into electronic circuits.
Equivalent Parts of LM2576SX-ADJ
- LM2575: A comparable voltage regulator IC from Texas Instruments with similar features and performance.
- MAX1555: An alternative voltage regulator IC from Maxim Integrated that offers equivalent functionality.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | No | Rohs Code | No |
| Part Life Cycle Code | Active | Part Package Code | D2PAK |
| Pin Count ! | 4 | Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE | Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40 V | Input Voltage-Min | 8 V |
| Input Voltage-Nom | 12 V | JESD-30 Code | R-PSSO-G5 |
| JESD-609 Code | e0 | Length | 10.16 mm |
| Moisture Sensitivity Level | 3 | Number of Functions | 1 |
| Number of Terminals | 5 | Operating Temperature-Max | 125 °C |
| Operating Temperature-Min | -40 °C | Output Current-Max | 7.5 A |
| Package Body Material | PLASTIC/EPOXY | Package Code | TO-263 |
| Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 235 | Seated Height-Max | 4.8 mm |
| Surface Mount ! | YES | Switcher Configuration | BUCK |
| Switching Frequency-Max | 63 kHz | Temperature Grade ! | AUTOMOTIVE |
| Terminal Finish | TIN LEAD | Terminal Form ! | GULL WING |
| Terminal Pitch ! | 1.7 mm | Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 | Width | 8.635 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM2576SX-ADJ?
The LM2576SX-ADJ is a step-down voltage regulator designed by Texas Instruments. It is a versatile and efficient regulator that accepts a wide input voltage range and provides a stable adjustable output voltage, making it suitable for various power supply applications.
How Does LM2576SX-ADJ Work?
The LM2576SX-ADJ operates as a switch-mode buck regulator, converting a higher input voltage to a lower, adjustable output voltage. It uses pulse-width modulation (PWM) to control the duty cycle of the switching transistor and regulate the output voltage. The regulator features thermal shutdown and current limiting protection mechanisms for safe operation.
How Many Pins does LM2576SX-ADJ have and What are the Functions of the Pinout Configuration?
The LM2576SX-ADJ comes in a TO-263 package with 5 pins. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- VOUT: Adjustable output voltage pin.
- ON/OFF: On/Off control pin.
- ADJ: Feedback pin for adjusting the output voltage.
What are the Pros and Cons of LM2576SX-ADJ?
Pros:
- Wide Input Voltage Range: Accepts a wide input voltage range for versatility.
- Adjustable Output Voltage: Provides flexibility in selecting the desired output voltage.
- Efficiency: Offers high efficiency in converting input power to regulated output voltage.
- Compact Package: The TO-263 package is space-saving and suitable for compact designs.
- Protection Features: Includes thermal shutdown and current limiting for device protection.
Cons:
- Switching Noise: Being a switch-mode regulator, it may introduce switching noise in sensitive applications.
- Complexity: Requires careful consideration of layout and external components for optimal performance.
- Heat Dissipation: May require a heat sink for heat dissipation at higher output currents.
Are There Any Equivalents/Alternatives to LM2576SX-ADJ for Recommendation?
- The LM2596 from Texas Instruments is a similar step-down regulator with fixed output voltage options.
- Alternatives to the LM2576SX-ADJ include the LM2940 from Texas Instruments and the MP2307 from Monolithic Power Systems.
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