Maxim Integrated
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MAX757CPA+
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MAX757CPA+

Product Overview

Category

The MAX757CPA+ 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

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

Package

The MAX757CPA+ comes in a compact 8-pin PDIP package.

Essence

This voltage regulator is essential for maintaining consistent power delivery in various electronic applications.

Packaging/Quantity

The MAX757CPA+ is typically sold in reels containing a specific quantity, such as 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 11V
  • Output Voltage: Adjustable from 1.25V to 10V
  • Maximum Output Current: 150mA
  • Dropout Voltage: 300mV at 100mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. GND (Ground)
  2. FB (Feedback)
  3. SHDN (Shutdown)
  4. VOUT (Output)
  5. NC (No Connection)
  6. NC (No Connection)
  7. VIN (Input)
  8. NC (No Connection)

Functional Features

  • High Efficiency: Provides efficient voltage regulation, minimizing power loss.
  • Wide Input Voltage Range: Can accommodate a broad range of input voltages, enhancing versatility.
  • Low Dropout Voltage: Ensures stable output even when the input voltage is close to the output voltage.
  • Overcurrent and Thermal Protection: Safeguards the regulator and the connected circuitry from damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages

  • Compact package
  • Wide input voltage range
  • Efficient operation
  • Built-in protection features

Disadvantages

  • Limited maximum output current
  • Fixed output voltage may not suit all applications

Working Principles

The MAX757CPA+ operates by comparing the feedback voltage with a reference voltage to adjust the pass transistor's conduction, thereby regulating the output voltage. It utilizes internal circuitry to protect against overcurrent and excessive temperature, ensuring safe and reliable performance.

Detailed Application Field Plans

The MAX757CPA+ is well-suited for various applications, including: - Battery-powered devices - Portable electronics - Sensor modules - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the MAX757CPA+ include: - LM317: A versatile adjustable voltage regulator with higher output current capability. - LT1086: Offers a wider input voltage range and higher output current capacity compared to the MAX757CPA+. - LM2940: Suitable for low-power applications with its low dropout voltage and quiescent current.

In conclusion, the MAX757CPA+ is a reliable voltage regulator with a wide input voltage range, high efficiency, and built-in protection features, making it suitable for diverse electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX757CPA+ v technických řešeních

  1. What is the input voltage range for MAX757CPA+?

    • The input voltage range for MAX757CPA+ is typically 3V to 11V.

  2. What is the maximum output current of MAX757CPA+?

    • The maximum output current of MAX757CPA+ is typically 150mA.

  3. Can MAX757CPA+ be used in battery-powered applications?

    • Yes, MAX757CPA+ can be used in battery-powered applications due to its low input voltage and low quiescent current.

  4. What are the typical applications of MAX757CPA+?

    • Typical applications of MAX757CPA+ include handheld instruments, portable computers, and battery-powered systems.

  5. Does MAX757CPA+ have built-in overcurrent protection?

    • Yes, MAX757CPA+ features built-in overcurrent protection to safeguard the device and the load.

  6. What is the efficiency of MAX757CPA+?

    • The efficiency of MAX757CPA+ is typically around 85% under normal operating conditions.

  7. Is MAX757CPA+ suitable for low-power sensor applications?

    • Yes, MAX757CPA+ is suitable for low-power sensor applications due to its low quiescent current and efficient power conversion.

  8. What is the operating temperature range of MAX757CPA+?

    • The operating temperature range of MAX757CPA+ is typically -40°C to +85°C.

  9. Can MAX757CPA+ be used in automotive applications?

    • Yes, MAX757CPA+ can be used in automotive applications as long as it meets the specific requirements and standards for automotive electronics.

  10. Does MAX757CPA+ require external components for operation?

    • Yes, MAX757CPA+ requires a few external components such as input and output capacitors for proper operation.

Please let me know if you need further assistance with anything else!