Diodes Incorporated
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PAM2842TJR
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PAM2842TJR

Product Overview

Category

PAM2842TJR belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent and thermal protection

Package

PAM2842TJR comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of PAM2842TJR lies in its ability to provide stable and regulated voltage to various electronic components.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.8V to VIN
  • Output Current: Up to 1A
  • Dropout Voltage: 200mV (typical)
  • Quiescent Current: 60μA (typical)

Detailed Pin Configuration

PAM2842TJR 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

  • High Efficiency: The PAM2842TJR offers high efficiency, minimizing power loss during voltage regulation.
  • Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: It can accept a wide range of input voltages, making it versatile for different applications.
  • Adjustable Output Voltage: The output voltage can be adjusted within a specified range to meet specific requirements.
  • Overcurrent and Thermal Protection: The PAM2842TJR incorporates protection mechanisms to prevent damage from overcurrent or excessive heat.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range allows for flexibility in various applications.
  • Adjustable output voltage provides customization options.
  • Overcurrent and thermal protection ensure the safety and longevity of the device.

Disadvantages

  • Limited output current capacity may not be suitable for high-power applications.
  • Requires careful consideration of heat dissipation due to small package size.

Working Principles

The PAM2842TJR operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output pins, maintaining a stable output voltage regardless of changes in the input voltage.

Detailed Application Field Plans

The PAM2842TJR finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to PAM2842TJR are: - LM317 - LT1083 - LM1117 - TPS7A4700

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the PAM2842TJR is a voltage regulator with high efficiency, low dropout voltage, and a wide input voltage range. It provides stable and regulated voltage for various electronic devices. While it has limitations in terms of output current capacity, it offers advantages such as adjustable output voltage and protection features. Its working principle involves linear voltage regulation, making it suitable for applications in mobile devices, wireless communication devices, and more. Alternative models like LM317, LT1083, LM1117, and TPS7A4700 can also be considered based on specific needs.

10 domande e risposte comuni relative all'applicazione di PAM2842TJR nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of PAM2842TJR in technical solutions:

  1. Q: What is PAM2842TJR? A: PAM2842TJR is a voltage regulator IC (integrated circuit) commonly used in electronic devices to regulate and stabilize voltage levels.

  2. Q: What is the input voltage range for PAM2842TJR? A: The input voltage range for PAM2842TJR is typically between 2.5V and 5.5V.

  3. Q: What is the output voltage range for PAM2842TJR? A: The output voltage range for PAM2842TJR can be adjusted from 0.6V to the input voltage level.

  4. Q: What is the maximum output current of PAM2842TJR? A: The maximum output current of PAM2842TJR is typically around 1A.

  5. Q: What is the efficiency of PAM2842TJR? A: The efficiency of PAM2842TJR depends on various factors but is generally high, often exceeding 90%.

  6. Q: Can PAM2842TJR handle both step-up and step-down voltage regulation? A: No, PAM2842TJR is specifically designed for step-down (buck) voltage regulation only.

  7. Q: Is PAM2842TJR suitable for battery-powered applications? A: Yes, PAM2842TJR is commonly used in battery-powered applications due to its low dropout voltage and low quiescent current.

  8. Q: Does PAM2842TJR have built-in thermal protection? A: Yes, PAM2842TJR incorporates thermal shutdown protection to prevent overheating and damage.

  9. Q: Can PAM2842TJR operate in a wide temperature range? A: Yes, PAM2842TJR is designed to operate reliably in a wide temperature range, typically from -40°C to 85°C.

  10. Q: What are some typical applications of PAM2842TJR? A: PAM2842TJR is commonly used in various electronic devices such as smartphones, tablets, portable media players, and other battery-powered devices that require stable voltage regulation.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.