Maxim Integrated
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MAX5903LBEUT+T
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MAX5903LBEUT+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency, low-power, overvoltage protection
  • 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: 1.8V to 3.3V
  • Maximum Output Current: 150mA
  • Quiescent Current: 10µA (typical)
  • Dropout Voltage: 120mV at 100mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX5903LBEUT+T has the following pin configuration:

  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
  6. VCC: Supply voltage for internal circuitry

Functional Features

  • Overvoltage Protection: The MAX5903LBEUT+T incorporates overvoltage protection, safeguarding the connected circuitry from excessive voltage levels.
  • Low Quiescent Current: With a typical quiescent current of only 10µA, the MAX5903LBEUT+T minimizes power consumption in standby or low-load conditions.
  • High Efficiency: This voltage regulator offers high efficiency, ensuring minimal power loss during operation.
  • Thermal Shutdown: The device includes thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-efficient designs. - Wide input voltage range enables compatibility with various power sources. - Overvoltage protection ensures the safety of connected components.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Dropout voltage of 120mV may affect performance in low-voltage scenarios.

Working Principles

The MAX5903LBEUT+T is a linear voltage regulator that regulates the input voltage to a desired output voltage level. It achieves this by using a feedback mechanism to adjust the internal pass transistor's resistance, maintaining a stable output voltage despite variations in input voltage and load conditions. The device also incorporates overvoltage protection, which activates when the input voltage exceeds a predefined threshold, safeguarding downstream components.

Detailed Application Field Plans

The MAX5903LBEUT+T finds applications in various fields, including but not limited to:

  1. Portable Electronics: Due to its compact package and low quiescent current, the MAX5903LBEUT+T is suitable for powering portable devices such as smartphones, tablets, and wearable devices.
  2. IoT Devices: With its wide input voltage range and overvoltage protection, this voltage regulator can be used in IoT devices that require stable power supply and protection against voltage spikes.
  3. Automotive Electronics: The MAX5903LBEUT+T's ability to operate in a wide temperature range makes it suitable for automotive applications, such as infotainment systems, lighting controls, and sensor modules.

Detailed and Complete Alternative Models

  1. MAX5904LBEUT+T: Similar to the MAX5903LBEUT+T, but with a higher maximum output current of 300mA.
  2. MAX5905LBEUT+T: Offers adjustable output voltage, allowing for greater flexibility in different applications.
  3. MAX5906LBEUT+T: Provides additional features like undervoltage lockout and reverse battery protection.

These alternative models offer similar functionality to the MAX5903LBEUT+T, with some variations in specifications and additional features.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX5903LBEUT+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX5903LBEUT+T in technical solutions:

1. What is the MAX5903LBEUT+T? The MAX5903LBEUT+T is a power management IC (PMIC) designed for use in automotive and industrial applications.

2. What are the key features of the MAX5903LBEUT+T? Some key features of the MAX5903LBEUT+T include overvoltage protection, undervoltage lockout, thermal shutdown, and fault reporting.

3. What is the input voltage range of the MAX5903LBEUT+T? The input voltage range of the MAX5903LBEUT+T is typically between 4.5V and 40V.

4. What is the output voltage range of the MAX5903LBEUT+T? The output voltage range of the MAX5903LBEUT+T can be adjusted from 0.8V to 5.5V.

5. Can the MAX5903LBEUT+T handle high current loads? Yes, the MAX5903LBEUT+T is capable of delivering up to 3A of continuous current.

6. Is the MAX5903LBEUT+T suitable for automotive applications? Yes, the MAX5903LBEUT+T is specifically designed for automotive applications and meets the necessary requirements.

7. Does the MAX5903LBEUT+T have any built-in protection features? Yes, the MAX5903LBEUT+T includes various protection features such as overcurrent protection, overtemperature protection, and reverse battery protection.

8. Can the MAX5903LBEUT+T operate in harsh environments? Yes, the MAX5903LBEUT+T is designed to operate in a wide temperature range (-40°C to +125°C) and is suitable for harsh environments.

9. What is the package type of the MAX5903LBEUT+T? The MAX5903LBEUT+T is available in a small 16-pin TQFN package.

10. Are there any evaluation boards or reference designs available for the MAX5903LBEUT+T? Yes, Maxim Integrated provides evaluation kits and reference designs that can help users quickly prototype and implement the MAX5903LBEUT+T in their applications.

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