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LM2794TLX
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LM2794TLX

Product Overview

Category: Integrated Circuit (IC)

Use: LM2794TLX is a voltage regulator IC primarily used for power management in electronic devices.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: LM2794TLX is available in a small outline package (SOP) with a specified pin configuration.

Essence: The essence of LM2794TLX lies in its ability to regulate voltage efficiently, ensuring stable power supply to various components in electronic devices.

Packaging/Quantity: LM2794TLX is typically sold in reels or tubes containing a specific quantity of ICs per package.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: Adjustable from 0.8V to VIN
  • Maximum Output Current: 500mA
  • Dropout Voltage: 200mV at 100mA load
  • Quiescent Current: 50µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM2794TLX IC has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin

Functional Features

LM2794TLX offers the following functional features:

  1. High Efficiency: The IC provides high efficiency power conversion, minimizing energy loss.
  2. Low Dropout Voltage: LM2794TLX maintains a low dropout voltage, ensuring efficient power delivery even when the input voltage is close to the desired output voltage.
  3. Wide Input Voltage Range: It can accept a wide range of input voltages, making it suitable for various applications.
  4. Adjustable Output Voltage: The output voltage can be adjusted within a specified range to meet the requirements of different devices.
  5. Overcurrent and Thermal Protection: LM2794TLX incorporates protection mechanisms to prevent damage due to overcurrent or excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (500mA)

Working Principles

LM2794TLX operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be set within the desired range.

Detailed Application Field Plans

LM2794TLX finds applications in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Handheld gaming consoles - Wireless communication devices

Alternative Models

  1. LM317: A popular adjustable linear voltage regulator with higher maximum output current.
  2. LM1117: Fixed output voltage linear regulator with low dropout voltage.
  3. LT1763: Low noise, high PSRR linear regulator suitable for sensitive applications.

These alternative models provide similar functionality to LM2794TLX and can be considered based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM2794TLX i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LM2794TLX in technical solutions:

  1. Q: What is LM2794TLX? A: LM2794TLX is a voltage regulator IC (integrated circuit) designed for use in various technical solutions.

  2. Q: What is the input voltage range supported by LM2794TLX? A: The input voltage range supported by LM2794TLX is typically between 2.7V and 5.5V.

  3. Q: What is the output voltage range provided by LM2794TLX? A: LM2794TLX can provide an adjustable output voltage range from 0.6V to VIN.

  4. Q: Can LM2794TLX handle high current loads? A: Yes, LM2794TLX has a maximum output current capability of up to 1.5A.

  5. Q: Is LM2794TLX suitable for battery-powered applications? A: Yes, LM2794TLX is well-suited for battery-powered applications due to its low quiescent current and high efficiency.

  6. Q: Does LM2794TLX have built-in protection features? A: Yes, LM2794TLX includes built-in protection features such as thermal shutdown, overcurrent protection, and reverse current protection.

  7. Q: Can LM2794TLX operate in a wide temperature range? A: Yes, LM2794TLX is designed to operate reliably in a temperature range from -40°C to +125°C.

  8. Q: What type of package does LM2794TLX come in? A: LM2794TLX is available in a small footprint, thermally enhanced 10-pin WSON package.

  9. Q: Can LM2794TLX be used in automotive applications? A: Yes, LM2794TLX is suitable for automotive applications as it meets the AEC-Q100 Grade 1 qualification standards.

  10. Q: Are there any evaluation boards or reference designs available for LM2794TLX? A: Yes, Texas Instruments provides evaluation boards and reference designs to help users quickly prototype and implement LM2794TLX in their applications.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the LM2794TLX datasheet and consult with technical experts for accurate information.