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MAX817LESA+T
Product Overview
- Category: Integrated Circuit
- Use: Voltage Regulator
- Characteristics: Low-dropout, Adjustable Output, SOT-23 Package
- Package: SOT-23
- Essence: Linear Voltage Regulator
- Packaging/Quantity: Tape and Reel, 3000 pieces per reel
Specifications
- Input Voltage Range: 2.5V to 6.5V
- Output Voltage Range: 1.25V to 5.5V
- Dropout Voltage: 200mV at 100mA
- Output Current: 100mA
- Line Regulation: ±0.05% (Typical)
- Load Regulation: ±0.1% (Typical)
- Quiescent Current: 120µA (Typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX817LESA+T has the following pin configuration:
- GND (Ground): Connected to the ground reference of the circuit.
- ADJ (Adjust): Provides an adjustable output voltage.
- VOUT (Output): Provides the regulated output voltage.
Functional Features
- Low dropout voltage: The MAX817LESA+T has a low dropout voltage of only 200mV at 100mA, allowing it to regulate voltage even when the input voltage is close to the desired output voltage.
- Adjustable output voltage: The ADJ pin allows for easy adjustment of the output voltage within the specified range of 1.25V to 5.5V.
- Low quiescent current: With a typical quiescent current of only 120µA, the MAX817LESA+T minimizes power consumption in battery-powered applications.
- Excellent line and load regulation: The device provides excellent line and load regulation, ensuring a stable output voltage even with varying input voltage and load conditions.
- Wide operating temperature range: The MAX817LESA+T can operate in a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient voltage regulation. - Adjustable output voltage provides flexibility in different applications. - Low quiescent current minimizes power consumption. - Excellent line and load regulation ensures a stable output voltage. - Wide operating temperature range allows for use in various environments.
Disadvantages: - Limited output current of 100mA may not be sufficient for high-power applications. - SOT-23 package may require additional thermal considerations for dissipating heat.
Working Principles
The MAX817LESA+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 the ADJ pin. The pass transistor adjusts its resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions.
Detailed Application Field Plans
The MAX817LESA+T is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment
Detailed and Complete Alternative Models
Some alternative models to the MAX817LESA+T include: - LM1117-ADJ: Adjustable Linear Voltage Regulator, TO-220 Package - LT1763-ADJ: Adjustable Low Dropout Regulator, SOT-223 Package - MCP1702-ADJ: Adjustable LDO Voltage Regulator, SOT-89 Package - TS2950CT-ADJ: Adjustable Voltage Regulator, SOT-223 Package
These alternative models offer similar functionality and characteristics, providing options for different package types and specifications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX817LESA+T v technických řešeních
Sure! Here are 10 common questions and answers related to the application of MAX817LESA+T in technical solutions:
Q: What is the MAX817LESA+T? A: The MAX817LESA+T is a low-power, precision voltage reference with a fixed output voltage of 2.5V.
Q: What is the typical operating voltage range for the MAX817LESA+T? A: The typical operating voltage range is from 4.5V to 40V.
Q: Can the MAX817LESA+T be used as a voltage regulator? A: No, the MAX817LESA+T is not designed to be used as a voltage regulator. It is primarily used as a voltage reference.
Q: What is the accuracy of the MAX817LESA+T? A: The MAX817LESA+T has an initial accuracy of ±0.2% and a temperature coefficient of ±50ppm/°C.
Q: Can the MAX817LESA+T be used in automotive applications? A: Yes, the MAX817LESA+T is suitable for automotive applications as it can operate within the specified temperature range of -40°C to +125°C.
Q: How much current can the MAX817LESA+T source or sink? A: The MAX817LESA+T can source or sink up to 20mA of current.
Q: Is the MAX817LESA+T available in different package options? A: Yes, the MAX817LESA+T is available in an 8-pin SOIC package.
Q: Can the MAX817LESA+T be used in battery-powered applications? A: Yes, the MAX817LESA+T is suitable for battery-powered applications due to its low-power consumption.
Q: Can the output voltage of the MAX817LESA+T be adjusted? A: No, the output voltage of the MAX817LESA+T is fixed at 2.5V and cannot be adjusted.
Q: What are some typical applications for the MAX817LESA+T? A: The MAX817LESA+T can be used in various applications such as data acquisition systems, precision instruments, industrial control systems, and portable devices where a stable voltage reference is required.
Please note that these answers are general and may vary depending on specific requirements and use cases.