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LM2576S-ADJ/NOPB
LM2576S-ADJ/NOPB is a high-efficiency power supply solution for electronic devicesLM2576S-ADJ/NOPB
LM2576S-ADJ/NOPB is a high-efficiency power supply solution for electronic devices
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Manufacturer Part # : LM2576S-ADJ/NOPB
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Package/Case: TO-263 (KTT)-5
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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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LM2576S-ADJ/NOPB DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $5.324 | $5.32 |
| 10 | $5.213 | $52.13 |
| 45 | $4.812 | $216.54 |
| 90 | $4.737 | $426.33 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
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LM2576S-ADJ/NOPB Details
The LM2576S-ADJ/NOPB is a high-performance buck switching regulator IC from Texas Instruments, offering efficient voltage regulation and precise control for various electronics applications. This device is designed to provide a stable output voltage of 1.23V with up to 3A current capacity, making it suitable for powering sensitive devices.
Key Features
- Digital Signal Processor Compatibility Guaranteed: Ensure reliable operation in digital signal processing applications.
- High-Speed Switching for Rapid Response: Provides efficient switching to support high-frequency applications.
- Overcurrent Protection for Safe Operation: Offers overcurrent protection to prevent damage from excessive current draw.
Applications
- Power Supplies and Battery Chargers: Ideal for powering sensitive devices in power supplies, battery chargers, and voltage regulators.
- Consumer Electronics: Suitable for powering consumer electronics such as smartphones, laptops, and tablets.
- Automotive Applications: Can be used in automotive applications where reliable output voltage and current are required.
Where to Use
The LM2576S-ADJ/NOPB is suitable for use in a wide range of applications where high performance, efficiency, and reliability are critical. This device can be used as a standalone voltage regulator or integrated into a larger circuit design.
How to Use
Connect the LM2576S-ADJ/NOPB to your input power supply using VIN and ground connections. Ensure proper control of EN for enabling/disabling the regulator. Power sensitive devices through VOUT while ensuring adequate cooling and heat dissipation.
Application Circuit
The application circuit diagram for the LM2576S-ADJ/NOPB illustrates a basic voltage regulation example, featuring connections for input power supply, ground, and output voltage. This design should be modified according to specific application requirements.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- LM2575-ADJ/NOPB: An alternative buck switching regulator IC from Texas Instruments offering comparable features and performance.
- LT1115S: A similar low-dropout linear regulator from Linear Technology suitable for applications requiring adjustable output voltage.
Complementary
The LM2576S-ADJ/NOPB can be complemented by other Texas Instruments power management ICs, such as the LM339 quad comparator or the TPS650250 battery charger controller. When selecting complementary devices ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.
Frequently Asked Questions
Q: What is the maximum output current of the LM2576S-ADJ/NOPB?
A: The LM2576S-ADJ/NOPB supports up to 3A output current. For more details, refer to the datasheet for specific operating conditions and limitations.
Q: Can I use the LM2576S-ADJ/NOPB in automotive applications?
A: Yes, the LM2576S-ADJ/NOPB is suitable for automotive applications where high performance, efficiency, and reliability are critical. Ensure proper thermal management and EMI/RFI filtering according to your specific application requirements.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Vin (min) (V) | 4 | Vin (max) (V) | 40 |
| Vout (min) (V) | 3.3 | Vout (max) (V) | 37 |
| Iout (max) (A) | 3 | Iq (typ) (mA) | 5 |
| Switching frequency (min) (kHz) | 42 | Switching frequency (max) (kHz) | 63 |
| Features | Enable, Over Current Protection | Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog | Regulated outputs (#) | 1 |
| Control mode | Voltage mode | Duty cycle (max) (%) | 98 |
| Type | Converter |
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 LM2576S-ADJ/NOPB?
The LM2576S-ADJ/NOPB is a versatile and cost-effective step-down (buck) voltage regulator integrated circuit (IC) designed by Texas Instruments. It is ideal for converting higher voltage supplies to a lower, regulated voltage, making it suitable for various power management applications in electronic devices, automotive systems, and industrial equipment.
How Does LM2576S-ADJ/NOPB Work?
The LM2576S-ADJ/NOPB operates by efficiently stepping down the input voltage to a lower, stable output voltage using a synchronous rectification method. It regulates the output voltage by adjusting the duty cycle of a high-frequency oscillator, providing a constant voltage output even with varying input voltages and loads. This makes it suitable for powering sensitive electronic components and microcontrollers.
How Many Pins does LM2576S-ADJ/NOPB have and What are the Functions of the Pinout Configuration?
The LM2576S-ADJ/NOPB is available in a 7-lead TO-263 package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- VOUT: Regulated output voltage pin.
- ON/OFF: On/Off control pin for enabling/disabling the regulator.
- Feedback (FB): Feedback pin for setting the output voltage.
- Soft Start (SS): Soft start pin for controlling the startup time and reducing inrush current.
- Catch Diode (CATCH): Catch diode connection pin for synchronous rectification.
What are the Pros and Cons of LM2576S-ADJ/NOPB?
Pros:
- Efficiency: Provides high efficiency in stepping down voltage, reducing power dissipation.
- Simple Design: Offers a simple external circuitry design, making it easy to implement in various applications.
- Cost-Effective: Provides cost-effective voltage regulation solutions for power management.
- Wide Input Voltage Range: Supports a wide input voltage range, accommodating diverse power supply sources.
- Thermal Shutdown and Current Limit Protection: Features built-in protection mechanisms for enhanced reliability.
Cons:
- External Components: May require additional external components such as inductors and capacitors for proper operation.
- Heat Dissipation: Heat sinks may be required for high power applications to manage thermal dissipation.
Are There Any Equivalents/Alternatives to LM2576S-ADJ/NOPB for Recommendation?
- The LM2596S-ADJ/NOPB from Texas Instruments offers similar voltage regulation capabilities in a different package and pinout.
- Alternatives to the LM2576S-ADJ/NOPB include the TPS5430DDAR from Texas Instruments and the LT1376CN8-5 from Analog Devices.
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