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MAX1741EUB

MAX1741EUB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: Low-power, step-up DC-DC converter
  • Package: µMAX®
  • Essence: Efficient power conversion for portable devices
  • Packaging/Quantity: Tube/100 pieces

Specifications

  • Input Voltage Range: 0.8V to 5.5V
  • Output Voltage Range: Up to 5.5V
  • Switching Frequency: 1.2MHz
  • Efficiency: Up to 90%
  • Operating Temperature Range: -40°C to +85°C
  • Shutdown Current: <1µA
  • Quiescent Current: 20µA

Detailed Pin Configuration

The MAX1741EUB has a total of six pins:

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

Functional Features

  • Low-power operation for extended battery life
  • Step-up DC-DC conversion with high efficiency
  • Wide input voltage range for versatile applications
  • Small package size for space-constrained designs
  • Shutdown and enable control for power management

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life - Wide input voltage range allows for flexibility in power sources - Small package size enables compact device designs - Shutdown and enable control enhance power management capabilities

Disadvantages: - Limited output voltage range may not be suitable for all applications - Higher switching frequency may introduce noise in sensitive circuits

Working Principles

The MAX1741EUB is a step-up DC-DC converter that efficiently converts a low input voltage to a higher output voltage. It utilizes a high-frequency switching regulator to achieve high efficiency. The input voltage is boosted by the internal power switch and inductor, and then regulated to the desired output voltage through feedback control. The enable pin allows for power management by enabling or disabling the converter as needed.

Detailed Application Field Plans

The MAX1741EUB is commonly used in various portable electronic devices, such as:

  1. Battery-powered devices: Provides efficient power conversion for extended battery life.
  2. Handheld devices: Enables compact designs with its small package size.
  3. IoT devices: Suitable for low-power applications with its wide input voltage range.
  4. Wearable devices: Helps optimize power consumption for longer usage time.

Detailed and Complete Alternative Models

  1. MAX1771EUB: Similar step-up DC-DC converter with higher switching frequency.
  2. MAX1711EEG+: Step-up DC-DC converter with adjustable output voltage.
  3. MAX1759EUB+: Step-up DC-DC converter with integrated power switch.

Note: These alternative models offer similar functionality but may have different specifications and package options.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1741EUB v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX1741EUB in technical solutions:

Q1: What is the MAX1741EUB? A1: The MAX1741EUB is a high-efficiency, step-up DC-DC converter designed for battery-powered applications.

Q2: What is the input voltage range of the MAX1741EUB? A2: The input voltage range of the MAX1741EUB is typically between 0.8V and 5.5V.

Q3: What is the output voltage range of the MAX1741EUB? A3: The output voltage range of the MAX1741EUB can be set from 2.5V to 5.5V using external resistors.

Q4: What is the maximum output current of the MAX1741EUB? A4: The maximum output current of the MAX1741EUB is typically 100mA.

Q5: Can the MAX1741EUB operate with a single-cell Li-ion battery? A5: Yes, the MAX1741EUB can operate with a single-cell Li-ion battery as its input voltage range covers the typical voltage range of a Li-ion battery.

Q6: Does the MAX1741EUB have built-in overcurrent protection? A6: No, the MAX1741EUB does not have built-in overcurrent protection. External circuitry may be required for overcurrent protection.

Q7: Is the MAX1741EUB suitable for low-power IoT devices? A7: Yes, the MAX1741EUB is suitable for low-power IoT devices due to its high efficiency and low quiescent current.

Q8: Can the MAX1741EUB be used in automotive applications? A8: Yes, the MAX1741EUB can be used in automotive applications as it is designed to operate in a wide temperature range and has low EMI emissions.

Q9: Does the MAX1741EUB require an external inductor? A9: Yes, the MAX1741EUB requires an external inductor for operation.

Q10: What is the typical efficiency of the MAX1741EUB? A10: The typical efficiency of the MAX1741EUB is around 90% when operating at full load.

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