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MAX803SQ438T1G
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Detector
- Characteristics: Low-power, reset output, adjustable threshold voltage
- Package: SOT-23-3
- Essence: Monolithic microprocessor supervisory circuit
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Supply Voltage Range: 1.0V to 5.5V
- Reset Threshold Voltage Options: 2.93V, 3.08V, 3.13V, 3.30V, 4.38V
- Quiescent Current: 1µA (typical)
- Reset Timeout Period: 140ms (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX803SQ438T1G is a three-pin device with the following pin configuration:
- Pin 1: GND (Ground)
- Pin 2: RESET (Reset Output)
- Pin 3: VCC (Supply Voltage)
Functional Features
- Monitors the supply voltage and asserts the reset output when the voltage drops below the threshold.
- Adjustable threshold voltage allows customization for different applications.
- Low quiescent current ensures minimal power consumption.
- Reset timeout period prevents false resets during power-up or voltage fluctuations.
Advantages and Disadvantages
Advantages: - Small package size enables space-saving designs. - Wide supply voltage range accommodates various systems. - Adjustable threshold voltage provides flexibility. - Low quiescent current prolongs battery life.
Disadvantages: - Limited number of threshold voltage options. - Reset timeout period may not be suitable for all applications.
Working Principles
The MAX803SQ438T1G operates by continuously monitoring the supply voltage. When the voltage drops below the programmed threshold, the reset output is asserted. The reset remains active until the voltage rises above the threshold and the reset timeout period elapses.
Detailed Application Field Plans
The MAX803SQ438T1G finds applications in various fields, including:
- Microcontrollers: Provides reliable power-on reset for microcontroller-based systems.
- Embedded Systems: Ensures proper initialization of embedded systems upon power-up.
- Battery-Powered Devices: Prevents erratic behavior caused by low battery voltage.
- Industrial Control Systems: Guarantees stable operation during voltage fluctuations.
- Automotive Electronics: Protects sensitive electronic components from voltage dips.
Detailed and Complete Alternative Models
- MAX803SQ438T1G+: Similar to MAX803SQ438T1G with extended operating temperature range (-40°C to +125°C).
- MAX803SQ438T1G/T2G+: Offers additional threshold voltage options for more precise voltage monitoring.
- MAX803SQ438T1G/V+T1G+: Provides a push-pull reset output instead of an open-drain configuration.
These alternative models offer similar functionality but may have different specifications or package options to suit specific requirements.
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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του MAX803SQ438T1G σε τεχνικές λύσεις
Sure! Here are 10 common questions and answers related to the application of MAX803SQ438T1G in technical solutions:
Q1: What is MAX803SQ438T1G? A1: MAX803SQ438T1G is a voltage detector IC (integrated circuit) that monitors the power supply voltage and provides a reset signal when the voltage drops below a certain threshold.
Q2: What is the operating voltage range of MAX803SQ438T1G? A2: The operating voltage range of MAX803SQ438T1G is typically between 1.6V and 5.5V.
Q3: How does MAX803SQ438T1G help in technical solutions? A3: MAX803SQ438T1G helps in technical solutions by providing a reliable reset signal to microcontrollers, microprocessors, or other digital devices when the power supply voltage falls below a specified level.
Q4: What is the typical reset threshold voltage of MAX803SQ438T1G? A4: The typical reset threshold voltage of MAX803SQ438T1G is 4.38V.
Q5: Can I adjust the reset threshold voltage of MAX803SQ438T1G? A5: No, the reset threshold voltage of MAX803SQ438T1G is fixed and cannot be adjusted.
Q6: What is the maximum reset timeout period of MAX803SQ438T1G? A6: The maximum reset timeout period of MAX803SQ438T1G is typically 140ms.
Q7: Is MAX803SQ438T1G suitable for battery-powered applications? A7: Yes, MAX803SQ438T1G is suitable for battery-powered applications as it has low quiescent current and operates within a wide voltage range.
Q8: Does MAX803SQ438T1G have a manual reset input? A8: No, MAX803SQ438T1G does not have a manual reset input. The reset signal is generated automatically based on the power supply voltage.
Q9: Can I use MAX803SQ438T1G in automotive applications? A9: Yes, MAX803SQ438T1G is suitable for automotive applications as it meets the AEC-Q100 standard for reliability and quality.
Q10: What package options are available for MAX803SQ438T1G? A10: MAX803SQ438T1G is available in a SOT-23 package, which is a small surface-mount package commonly used in electronic devices.
Please note that these answers are general and may vary depending on the specific datasheet and application requirements of MAX803SQ438T1G.