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MAX1852EXT+T

MAX1852EXT+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-Efficiency Step-Down DC-DC Converter
  • Package: 6-Pin SOT23
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.8V to VIN
  • Maximum Output Current: 500mA
  • Efficiency: Up to 95%
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1852EXT+T has the following pin configuration:

  1. GND: Ground connection.
  2. LX: Switching node for the internal MOSFET.
  3. FB: Feedback input for output voltage regulation.
  4. EN: Enable pin to turn the device on/off.
  5. VOUT: Output voltage connection.
  6. VIN: Input voltage connection.

Functional Features

  • High efficiency conversion from input to output voltage.
  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage through feedback pin.
  • Enable pin for easy on/off control.
  • Internal MOSFET for simplified circuit design.
  • Overcurrent and thermal protection features.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Wide input voltage range enables compatibility with various power sources. - Small package size allows for space-constrained designs. - Internal MOSFET simplifies circuit layout and reduces external components.

Disadvantages: - Limited maximum output current of 500mA. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The MAX1852EXT+T is a step-down DC-DC converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a high-frequency switching regulator to achieve this conversion. The internal MOSFET acts as a switch, rapidly turning on and off to control the energy flow from the input to the output. The feedback pin monitors the output voltage and adjusts the duty cycle of the switching regulator to maintain a stable output voltage.

Detailed Application Field Plans

The MAX1852EXT+T is commonly used in various applications, including but not limited to:

  1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices.
  2. Industrial equipment: Sensors, actuators, and control systems.
  3. Automotive electronics: Infotainment systems, navigation devices, and lighting controls.
  4. IoT devices: Smart home appliances, wearable devices, and connected sensors.

Detailed and Complete Alternative Models

  1. MAX1851EXT+T: Similar specifications and package, with a lower maximum output current of 300mA.
  2. MAX1853EXT+T: Similar specifications and package, with a higher maximum output current of 800mA.
  3. MAX1854EXT+T: Similar specifications and package, with an adjustable output voltage range.

Note: This list is not exhaustive, and there may be other alternative models available from different manufacturers.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1852EXT+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX1852EXT+T in technical solutions:

  1. Q: What is the MAX1852EXT+T? A: The MAX1852EXT+T is a high-efficiency, step-up DC-DC converter designed for battery-powered applications.

  2. Q: What is the input voltage range of the MAX1852EXT+T? A: The input voltage range of the MAX1852EXT+T is typically between 0.8V and 5.5V.

  3. Q: What is the output voltage range of the MAX1852EXT+T? A: The output voltage range of the MAX1852EXT+T can be set from 2.7V to 5.5V using external resistors.

  4. Q: What is the maximum output current of the MAX1852EXT+T? A: The maximum output current of the MAX1852EXT+T is 300mA.

  5. Q: Can the MAX1852EXT+T operate in a low-power mode? A: Yes, the MAX1852EXT+T features a low-power shutdown mode that reduces the quiescent current to minimize power consumption.

  6. Q: Is the MAX1852EXT+T suitable for battery-powered IoT devices? A: Yes, the MAX1852EXT+T is well-suited for battery-powered IoT devices due to its low quiescent current and high efficiency.

  7. Q: Does the MAX1852EXT+T have built-in protection features? A: Yes, the MAX1852EXT+T includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.

  8. Q: Can the MAX1852EXT+T be used in automotive applications? A: Yes, the MAX1852EXT+T is automotive-grade and can be used in various automotive applications.

  9. Q: What is the typical efficiency of the MAX1852EXT+T? A: The typical efficiency of the MAX1852EXT+T is around 90% under normal operating conditions.

  10. Q: Are there any application notes or reference designs available for the MAX1852EXT+T? A: Yes, Maxim Integrated provides application notes and reference designs that can help with the implementation of the MAX1852EXT+T in different technical solutions.

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