MAX1797EUA

Product Overview

Category

MAX1797EUA belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 14V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 120mV at 500mA
• Low Quiescent Current: 40µA
• Adjustable Output Voltage
• Thermal Shutdown Protection
• Short-Circuit Protection

Package

The MAX1797EUA comes in a small SOT23-8 package.

Essence

The essence of MAX1797EUA lies in its ability to efficiently regulate voltage with low dropout and quiescent current, making it suitable for power-sensitive applications.

Packaging/Quantity

The MAX1797EUA is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 14V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT23-8

Detailed Pin Configuration

The MAX1797EUA has the following pin configuration:

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

Functional Features

• Adjustable Output Voltage: The MAX1797EUA allows for adjustable output voltage, providing flexibility in various applications.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short-Circuit Protection: The device is equipped with short-circuit protection, safeguarding the circuit from potential damage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use.
• Low dropout voltage ensures efficient power regulation.
• Low quiescent current minimizes power consumption.
• Adjustable output voltage provides flexibility.
• Thermal shutdown and short-circuit protection enhance reliability.

Disadvantages

• Maximum output current of 500mA may not be sufficient for high-power applications.
• Limited number of pins restricts additional functionality.

Working Principles

The MAX1797EUA operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a desired output voltage. The feedback pin (FB) is used to set the output voltage by connecting appropriate resistors. The enable pin (EN) controls the on/off state of the regulator. When enabled, the device regulates the input voltage to the desired output voltage with low dropout and quiescent current.

Detailed Application Field Plans

The MAX1797EUA finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial equipment - Communication devices

Its ability to efficiently regulate voltage with low power consumption makes it suitable for power-sensitive applications in these fields.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX1797EUA include: - LM1117-ADJ - LT1761ES5-3.3 - TPS73633DBVR - ADP3339AKCZ-2.5-R7

These models can be considered as alternatives based on specific requirements and design considerations.

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