Maxim Integrated
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
MAX8873REUK+T
Zobrazit detail DataSheets

MAX8873REUK+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, High Efficiency
  • Package: SOT-23-5
  • Essence: Power Management IC
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage Range: 1.2V to 5.5V
  • Maximum Output Current: 150mA
  • Dropout Voltage: 120mV at 100mA
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8873REUK+T has a total of 5 pins:

  1. GND: Ground connection.
  2. IN: Input voltage supply.
  3. EN: Enable pin for turning the regulator on/off.
  4. FB: Feedback pin for setting the output voltage.
  5. OUT: Regulated output voltage.

Functional Features

  • Low dropout voltage allows efficient regulation even with small input-output differentials.
  • High efficiency ensures minimal power dissipation and longer battery life.
  • Built-in thermal shutdown and current limit protection.
  • Stable output voltage with low output noise.
  • Fast transient response for sudden load changes.
  • Low quiescent current in standby mode.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package for space-constrained applications. - Wide input voltage range enables versatile usage. - Excellent line and load regulation characteristics. - Robust protection features ensure device reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

The MAX8873REUK+T is a low dropout voltage regulator that provides a stable output voltage, even when the input voltage varies. It utilizes a PNP pass transistor to regulate the output voltage based on the feedback received from the FB pin. The EN pin allows the user to enable or disable the regulator as needed. The device also incorporates thermal shutdown and current limit protection to prevent damage under adverse conditions.

Detailed Application Field Plans

The MAX8873REUK+T is commonly used in various battery-powered applications, such as:

  1. Portable electronic devices (e.g., smartphones, tablets, portable media players)
  2. Wearable devices (e.g., smartwatches, fitness trackers)
  3. Wireless communication modules
  4. Industrial sensors and control systems
  5. Automotive electronics (e.g., infotainment systems, navigation devices)

Detailed and Complete Alternative Models

  1. MAX8887EUT25+: Similar specifications with a fixed 2.5V output voltage.
  2. MAX8860ESA+: Higher maximum output current of 300mA.
  3. MAX8890ETC+: Adjustable output voltage range from 0.8V to 5.5V.

These alternative models offer similar functionality and can be considered based on specific application requirements.

Word count: 314 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX8873REUK+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX8873REUK+T in technical solutions:

  1. Q: What is MAX8873REUK+T? A: MAX8873REUK+T is a low-dropout linear regulator IC designed for use in various technical solutions.

  2. Q: What is the input voltage range of MAX8873REUK+T? A: The input voltage range of MAX8873REUK+T is typically between 2.5V and 6.5V.

  3. Q: What is the output voltage range of MAX8873REUK+T? A: The output voltage range of MAX8873REUK+T can be adjusted from 1.2V to 5.5V using external resistors.

  4. Q: What is the maximum output current of MAX8873REUK+T? A: MAX8873REUK+T can provide a maximum output current of up to 300mA.

  5. Q: Is MAX8873REUK+T suitable for battery-powered applications? A: Yes, MAX8873REUK+T is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  6. Q: Does MAX8873REUK+T have built-in thermal shutdown protection? A: Yes, MAX8873REUK+T has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can MAX8873REUK+T operate in a wide temperature range? A: Yes, MAX8873REUK+T can operate in a temperature range of -40°C to +85°C.

  8. Q: Does MAX8873REUK+T require any external components for operation? A: Yes, MAX8873REUK+T requires a few external components such as input/output capacitors and resistors for voltage adjustment.

  9. Q: Can MAX8873REUK+T handle short-circuit conditions? A: Yes, MAX8873REUK+T has built-in current limit protection to handle short-circuit conditions.

  10. Q: Is MAX8873REUK+T available in a small package? A: Yes, MAX8873REUK+T is available in a compact SOT23-5 package, making it suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.