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S-8521E33MC-BLST2U
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Power Management IC
- Characteristics: Low Dropout Voltage Regulator
- Package: SOT-23-5
- Essence: Voltage regulator with low dropout voltage and high output current capability
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Input Voltage Range: 2.5V to 6.0V
- Output Voltage Range: 1.2V to 5.5V
- Dropout Voltage: 200mV (typical) at 500mA load current
- Output Current: Up to 500mA
- Quiescent Current: 75µA (typical)
- Line Regulation: ±0.05% (typical)
- Load Regulation: ±0.3% (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The S-8521E33MC-BLST2U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. CE: Chip enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin
Functional Features
- Low dropout voltage ensures stable output even when the input voltage is close to the output voltage.
- High output current capability allows for powering various devices.
- Built-in overcurrent protection safeguards the circuit from excessive current.
- Thermal shutdown protection prevents damage due to overheating.
- Fast transient response enables quick stabilization of the output voltage.
Advantages
- Wide input voltage range provides flexibility in different applications.
- Low quiescent current minimizes power consumption.
- Small package size (SOT-23-5) allows for space-saving designs.
- Excellent line and load regulation ensure stable output voltage under varying conditions.
Disadvantages
- Limited maximum output current may not be suitable for high-power applications.
- Dropout voltage of 200mV may affect efficiency in low voltage scenarios.
Working Principles
The S-8521E33MC-BLST2U is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage is close to the desired output voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to compensate for any voltage difference between the input and output. The chip enable pin (CE) controls the operation of the regulator, allowing it to be turned on or off as required.
Detailed Application Field Plans
The S-8521E33MC-BLST2U is commonly used in various battery-powered devices, such as portable electronic devices, smartphones, tablets, and digital cameras. It is also suitable for applications where a stable voltage supply is required, such as industrial control systems, automotive electronics, and medical equipment.
Detailed and Complete Alternative Models
- S-8521E33MC-BNPT2U: Similar specifications and features, but with a different package (SNT-6A)
- S-8521E33MC-BMPT2U: Similar specifications and features, but with a different package (SOT-23-6)
- S-8521E33MC-BNST2U: Similar specifications and features, but with a different package (SNT-6A)
These alternative models provide options for different PCB layouts and space constraints while maintaining similar functionality.
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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του S-8521E33MC-BLST2U σε τεχνικές λύσεις
Sure! Here are 10 common questions and answers related to the application of S-8521E33MC-BLST2U in technical solutions:
Q1: What is the S-8521E33MC-BLST2U? A1: The S-8521E33MC-BLST2U is a voltage detector IC with a built-in delay circuit and watchdog function.
Q2: What is the operating voltage range of S-8521E33MC-BLST2U? A2: The operating voltage range of S-8521E33MC-BLST2U is from 0.8V to 6.0V.
Q3: What is the purpose of the built-in delay circuit in S-8521E33MC-BLST2U? A3: The built-in delay circuit provides a delay time before generating an output signal, which helps prevent false detections due to momentary voltage fluctuations.
Q4: How does the watchdog function in S-8521E33MC-BLST2U work? A4: The watchdog function monitors the system operation by periodically resetting the internal timer. If the timer is not reset within a specified time, an output signal is generated.
Q5: Can S-8521E33MC-BLST2U be used in battery-powered applications? A5: Yes, S-8521E33MC-BLST2U can be used in battery-powered applications as it operates within a wide voltage range and has low power consumption.
Q6: What is the typical quiescent current of S-8521E33MC-BLST2U? A6: The typical quiescent current of S-8521E33MC-BLST2U is 0.7µA, making it suitable for low-power applications.
Q7: Can S-8521E33MC-BLST2U be used for overvoltage protection? A7: No, S-8521E33MC-BLST2U is not designed for overvoltage protection. It is primarily used for voltage monitoring and system reset functions.
Q8: What is the output configuration of S-8521E33MC-BLST2U? A8: S-8521E33MC-BLST2U has an open-drain output configuration, which requires an external pull-up resistor.
Q9: Is S-8521E33MC-BLST2U suitable for automotive applications? A9: Yes, S-8521E33MC-BLST2U is suitable for automotive applications as it meets the AEC-Q100 Grade 3 qualification standards.
Q10: Can multiple S-8521E33MC-BLST2U devices be connected in parallel? A10: Yes, multiple S-8521E33MC-BLST2U devices can be connected in parallel to monitor different voltage levels or provide redundancy in critical systems.
Please note that these answers are general and may vary depending on the specific application requirements.