Maxim Integrated
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MAX8840ELT25+
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MAX8840ELT25+

Product Overview

Category

The MAX8840ELT25+ belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.

Characteristics

  • Low dropout voltage
  • Low quiescent current
  • Overtemperature and overcurrent protection

Package

The MAX8840ELT25+ comes in a small 6-pin SOT23 package.

Essence

This voltage regulator is essential for maintaining consistent power levels in various electronic devices.

Packaging/Quantity

The MAX8840ELT25+ is typically sold in reels containing 3000 units.

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage: 2.5V
  • Maximum Output Current: 300mA
  • Dropout Voltage: 160mV at 100mA
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. IN: Input voltage
  2. GND: Ground
  3. FB: Feedback
  4. NC: No connection
  5. EN: Enable
  6. OUT: Output voltage

Functional Features

  • Low dropout voltage for extended battery life
  • Overtemperature and overcurrent protection for enhanced safety
  • Enable pin for power-saving mode

Advantages

  • Small package size
  • Low quiescent current
  • Wide input voltage range

Disadvantages

  • Limited maximum output current
  • Requires external components for operation

Working Principles

The MAX8840ELT25+ operates by comparing the feedback voltage with a 0.8V reference to regulate the output voltage. It adjusts the pass transistor to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The MAX8840ELT25+ is commonly used in portable electronic devices such as smartphones, tablets, and portable media players. It is also suitable for battery-powered applications where low dropout voltage and low quiescent current are critical for maximizing battery life.

Detailed and Complete Alternative Models

Some alternative models to the MAX8840ELT25+ include: - MAX8840ELT30+: Similar characteristics but with a 3.0V output voltage - MAX8840ELT28+: Similar characteristics but with a 2.8V output voltage - MAX8840ELT33+: Similar characteristics but with a 3.3V output voltage

In conclusion, the MAX8840ELT25+ is a versatile voltage regulator with a wide range of applications in portable electronic devices and battery-powered systems. Its compact size, low dropout voltage, and overcurrent protection make it an ideal choice for ensuring stable power supply in various electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX8840ELT25+ v technických řešeních

  1. What is the input voltage range of MAX8840ELT25+?

    • The input voltage range of MAX8840ELT25+ is 2.5V to 5.5V.

  2. What is the typical output current of MAX8840ELT25+?

    • The typical output current of MAX8840ELT25+ is 250mA.

  3. What are the key features of MAX8840ELT25+?

    • The key features of MAX8840ELT25+ include low dropout voltage, low quiescent current, and thermal shutdown protection.

  4. Can MAX8840ELT25+ be used in battery-powered applications?

    • Yes, MAX8840ELT25+ is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  5. What type of load regulation does MAX8840ELT25+ offer?

    • MAX8840ELT25+ provides excellent load regulation, ensuring stable output voltage even with varying loads.

  6. Is MAX8840ELT25+ suitable for use in automotive electronics?

    • Yes, MAX8840ELT25+ is suitable for automotive electronics due to its wide input voltage range and robust design.

  7. Does MAX8840ELT25+ have built-in overcurrent protection?

    • Yes, MAX8840ELT25+ includes built-in overcurrent protection to safeguard against excessive currents.

  8. What is the operating temperature range of MAX8840ELT25+?

    • The operating temperature range of MAX8840ELT25+ is -40°C to +125°C, making it suitable for a wide range of environments.

  9. Can MAX8840ELT25+ be used in portable consumer devices?

    • Yes, MAX8840ELT25+ is well-suited for portable consumer devices due to its low power consumption and small footprint.

  10. Are there any application notes or reference designs available for MAX8840ELT25+?

    • Yes, Maxim Integrated provides application notes and reference designs to assist with the implementation of MAX8840ELT25+ in technical solutions.