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MAX737CWE+T
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MAX737CWE+T

Product Overview

Category

The MAX737CWE+T belongs to the category of voltage converters or charge pumps.

Use

It is used to generate a regulated negative voltage from an input positive voltage.

Characteristics

  • Input Voltage Range: 1.5V to 5.5V
  • Output Voltage: -1xVIN
  • Low Quiescent Current: 40µA (typ)
  • Small Package: 5-Pin SOT23

Package

The MAX737CWE+T is available in a small 5-pin SOT23 package.

Essence

The essence of MAX737CWE+T lies in its ability to efficiently generate a negative voltage from a positive input, making it suitable for various applications.

Packaging/Quantity

The MAX737CWE+T is typically available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 1.5V to 5.5V
  • Output Voltage: -1xVIN
  • Output Current: 12mA
  • Operating Temperature Range: -40°C to +85°C
  • Shutdown Current: 0.1µA (max)

Detailed Pin Configuration

The MAX737CWE+T has the following pin configuration: 1. GND 2. IN 3. OUT 4. SHDN 5. C+

Functional Features

  • Negative Voltage Generation
  • Low Quiescent Current
  • Small Package Size
  • Wide Input Voltage Range

Advantages

  • Efficiently generates negative voltage from a positive input
  • Low quiescent current for power efficiency
  • Small package size for space-constrained applications

Disadvantages

  • Limited output current compared to larger voltage converters
  • Restricted operating temperature range

Working Principles

The MAX737CWE+T utilizes a charge pump architecture to invert the input voltage and regulate the output to provide a stable negative voltage.

Detailed Application Field Plans

The MAX737CWE+T is commonly used in portable devices, battery-powered equipment, and other applications where a regulated negative voltage is required from a positive power source. It can be employed in handheld instruments, portable medical devices, and battery-powered sensors.

Detailed and Complete Alternative Models

Some alternative models to MAX737CWE+T include MAX660, ICL7660, and LTC1044. These devices offer similar functionality and are suitable replacements based on specific application requirements.

In conclusion, the MAX737CWE+T is a versatile voltage converter that efficiently generates a regulated negative voltage from a positive input, making it suitable for a wide range of portable and battery-powered applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX737CWE+T en soluciones técnicas

  1. What is the MAX737CWE+T used for?

    • The MAX737CWE+T is a microprocessor supervisory circuit that monitors power supply voltage levels and resets the microprocessor during power-up, power-down, and brownout conditions.

  2. What is the operating voltage range of the MAX737CWE+T?

    • The operating voltage range of the MAX737CWE+T is typically 4.5V to 5.5V.

  3. How does the MAX737CWE+T handle power supply monitoring?

    • The MAX737CWE+T monitors the power supply voltage and asserts a reset signal to the microprocessor if the voltage falls below a predetermined threshold.

  4. Can the MAX737CWE+T be used in battery-powered applications?

    • Yes, the MAX737CWE+T can be used in battery-powered applications as it has low quiescent current and operates within a wide voltage range.

  5. What is the typical reset timeout period of the MAX737CWE+T?

    • The typical reset timeout period of the MAX737CWE+T is 140ms.

  6. Does the MAX737CWE+T have a manual reset input?

    • Yes, the MAX737CWE+T features a manual reset input for external reset control.

  7. Is the MAX737CWE+T available in different package options?

    • Yes, the MAX737CWE+T is available in a variety of package options including SOIC and TDFN.

  8. Can the MAX737CWE+T be used in automotive applications?

    • Yes, the MAX737CWE+T is suitable for automotive applications due to its wide operating voltage range and robust performance.

  9. What is the temperature range for the MAX737CWE+T?

    • The MAX737CWE+T typically operates within a temperature range of -40°C to +85°C.

  10. Are there any application notes or reference designs available for using the MAX737CWE+T?

    • Yes, Maxim Integrated provides application notes and reference designs for utilizing the MAX737CWE+T in various technical solutions.