MAX6385XS20D3-T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Regulator
• Characteristics:
  • Low Dropout Voltage
  • Adjustable Output Voltage
  • Current Limit Protection
  • Thermal Shutdown Protection
• Package: SOT23-3
• Essence: This product is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 120mV at 100mA
• Output Current: 150mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX6385XS20D3-T has three pins arranged as follows:

```

---

| | --| VOUT GND |-- --| VIN EN |-- |___________| ```

• VIN: Input Voltage Pin
• EN: Enable Pin
• VOUT: Output Voltage Pin
• GND: Ground Pin

Functional Features

• Low Dropout Voltage: The MAX6385XS20D3-T exhibits a low dropout voltage of only 120mV at 100mA, ensuring efficient power conversion.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.25V to 15V, providing flexibility for different applications.
• Current Limit Protection: The IC incorporates current limit protection, preventing excessive current flow and protecting connected devices.
• Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage due to overheating.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Adjustable output voltage allows flexibility in various applications. - Current limit protection safeguards connected devices. - Thermal shutdown protection prevents damage from overheating.

Disadvantages: - Limited output current of 150mA may not be suitable for high-power applications. - SOT23-3 package may require additional space on the PCB.

Working Principles

The MAX6385XS20D3-T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from a resistive voltage divider connected to the output. The error amplifier adjusts the pass transistor to maintain a stable output voltage despite changes in input voltage or load conditions.

Detailed Application Field Plans

The MAX6385XS20D3-T can be used in various electronic devices requiring a stable voltage supply. Some potential application fields include:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the low dropout voltage and adjustable output voltage of this voltage regulator.
2. Embedded Systems: Microcontrollers, sensors, and other components in embedded systems often require a stable power source. The MAX6385XS20D3-T can provide the necessary voltage regulation.
3. Automotive Electronics: With its wide operating temperature range and robust protection features, this voltage regulator can be employed in automotive applications like infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

1. LM1117-ADJ: This adjustable voltage regulator offers similar features and specifications to the MAX6385XS20D3-T. It is available in different packages, including SOT223 and TO-252.
2. LT1763CS8-3.3: This low dropout voltage regulator provides a fixed output voltage of 3.3V. It is available in an 8-pin SOIC package and offers excellent line and load regulation.

These alternative models can be considered based on specific requirements and compatibility with the application.

Word count: 439 words