LM2575HVT-5
LM2575HVT-5 is a high voltage step-down switching regulator with 5V output voltage.LM2575HVT-5
LM2575HVT-5 is a high voltage step-down switching regulator with 5V output voltage.
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Manufacturer Part # : LM2575HVT-5
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Package/Case: TO-220
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Brand: Texas Instruments
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Product Categories : Switching Regulator or Controllers
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LM2575HVT-5 DataSheet
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Details
LM2575HVT-5 is a highly efficient step-down voltage regulator that can deliver up to 1A of output current. It has a fixed output voltage of 5V and operates over an input voltage range of 4.5V to 40V. The device utilizes an internal switch with a 52 kHz switching frequency to provide a stable output voltage with minimal ripple.The LM2575HVT-5 features a number of built-in protection mechanisms, including thermal shutdown, input undervoltage lockout, and output overvoltage protection. These safeguards help to prevent damage to the device and ensure reliable operation in a variety of applications.This voltage regulator is housed in a TO-220 package and contains only a few external components, making it easy to implement in a wide range of designs. The device is also highly versatile, with the ability to be used in both primary and secondary voltage regulation circuits.
Key Features
- Step-down voltage regulator
- Output voltage: 5V
- Output current: 1A
- Input voltage range: 4.75V to 40V
- Efficiency up to 76%
- Internal thermal shutdown and current limiting
Application
- DC-DC converters
- Step-down voltage regulators
- Switching regulators
- Power management systems
- Battery charging circuits
- Industrial and automotive applications
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Manufacturer | Panduit | Product Category ! | DC Switching Regulators |
Specification Comparison
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 LM2575HVT-5?
The LM2575HVT-5 is a high-efficiency step-down switching voltage regulator designed by Texas Instruments. It is specifically designed to provide a fixed 5V output voltage from a higher input voltage source. This regulator is commonly used in various applications such as power supplies, battery chargers, and automotive electronics.
How Does LM2575HVT-5 Work?
The LM2575HVT-5 operates by efficiently converting a higher input voltage to a stable 5V output voltage using a step-down switching regulator topology. It controls the output voltage through feedback mechanisms to ensure a constant voltage regardless of load variations. The regulator offers high efficiency and thermal performance, making it suitable for power-sensitive applications.
How Many Pins does LM2575HVT-5 have and What are the Functions of the Pinout Configuration?
The LM2575HVT-5 is housed in a TO-220 package with 5 pins. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- VOUT: Fixed 5V output voltage pin.
- Feedback (FB): Feedback pin for setting the output voltage.
- Enable (EN): Enable pin for controlling the regulator's operation.
What are the Pros and Cons of LM2575HVT-5?
Pros:
- Efficiency: High-efficiency conversion for reduced power dissipation.
- Fixed Output: Provides a stable 5V output voltage for consistent performance.
- Thermal Performance: Good thermal characteristics for reliable operation.
- Protection Features: Includes overcurrent and thermal shutdown protection.
- Wide Input Voltage Range: Can operate with a wide range of input voltages.
Cons:
- External Components: May require external components for specific applications.
- Size: TO-220 package may be larger than other surface-mount alternatives.
- Cost: Higher cost compared to linear regulators for high-current applications.
Are There Any Equivalents/Alternatives to LM2575HVT-5 for Recommendation?
- Equivalent parts to the LM2575HVT-5 include the LM2575HVT-ADJ, which offers an adjustable output voltage.
- Alternatives to the LM2575HVT-5 include the LM2595 series from Texas Instruments and the MC34063 from ON Semiconductor.
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