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MAX679EUA+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low-dropout, adjustable output voltage, low quiescent current
- Package: 8-pin microMAX® package
- Essence: High-performance linear regulator
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.5V to 16V
- Output Voltage Range: 1.25V to 15V
- Dropout Voltage: 200mV at 100mA load current
- Quiescent Current: 40µA (typical)
- Line Regulation: 0.02%/V
- Load Regulation: 0.05%/mA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX679EUA+T has the following pin configuration:
- GND (Ground)
- FB (Feedback)
- EN (Enable)
- NC (No Connection)
- VOUT (Output Voltage)
- NC (No Connection)
- VIN (Input Voltage)
- BYP (Bypass Capacitor)
Functional Features
- Low dropout voltage ensures efficient power conversion.
- Adjustable output voltage allows flexibility in various applications.
- Low quiescent current minimizes power consumption.
- Excellent line and load regulation for stable output voltage.
Advantages and Disadvantages
Advantages: - Wide input voltage range enables compatibility with different power sources. - Adjustable output voltage provides versatility for various circuit requirements. - Low quiescent current prolongs battery life in portable devices. - Compact package size saves board space.
Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Non-standard pin configuration may require additional PCB layout considerations.
Working Principles
The MAX679EUA+T is a high-performance linear regulator that regulates the output voltage based on the feedback received from the FB pin. It operates by comparing the output voltage with an internal reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The MAX679EUA+T is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment
Detailed and Complete Alternative Models
- MAX603ESA+: Fixed output voltage of 3.3V, SOT23-8 package.
- MAX6126AASA25: Fixed output voltage of 2.5V, SOT23-8 package.
- LT1764AEQ-3.3#PBF: Fixed output voltage of 3.3V, DFN-8 package.
- TPS7A4700RGWT: Adjustable output voltage, VQFN-20 package.
These alternative models offer similar functionality and can be considered as substitutes for the MAX679EUA+T in various applications.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX679EUA+T in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of MAX679EUA+T in technical solutions:
Q: What is the MAX679EUA+T? A: The MAX679EUA+T is a voltage monitor and reset IC that provides power supply monitoring and reset generation for microcontrollers, DSPs, and other digital systems.
Q: What is the operating voltage range of MAX679EUA+T? A: The operating voltage range of MAX679EUA+T is from 1.6V to 5.5V.
Q: How does the MAX679EUA+T monitor the power supply? A: It monitors the power supply by comparing the monitored voltage with a preset threshold voltage.
Q: Can I adjust the threshold voltage of MAX679EUA+T? A: Yes, you can adjust the threshold voltage using external resistors.
Q: What is the purpose of the reset output of MAX679EUA+T? A: The reset output is used to generate a reset signal to the microcontroller or digital system when the monitored voltage falls below the threshold voltage.
Q: What is the typical reset timeout period of MAX679EUA+T? A: The typical reset timeout period is 140ms.
Q: Can I disable the reset function of MAX679EUA+T? A: Yes, you can disable the reset function by connecting the MR pin to VCC.
Q: Is MAX679EUA+T suitable for battery-powered applications? A: Yes, it is suitable for battery-powered applications as it has low quiescent current and operates at low voltages.
Q: Does MAX679EUA+T have any built-in hysteresis? A: Yes, it has a built-in 2.5% hysteresis to prevent false triggering due to noise or voltage fluctuations.
Q: What is the package type of MAX679EUA+T? A: MAX679EUA+T is available in a 8-pin µMAX package.
Please note that these answers are based on general information and it's always recommended to refer to the datasheet and application notes for detailed specifications and guidelines.