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AS1117-BQFT
Product Overview
Category
AS1117-BQFT belongs to the category of low-dropout linear voltage regulators.
Use
It is used to regulate voltage in various electronic circuits and devices.
Characteristics
- Low dropout voltage
- High output voltage accuracy
- Low quiescent current
- Thermal shutdown protection
Package
AS1117-BQFT is available in a surface-mount SOT-223 package.
Essence
The essence of AS1117-BQFT lies in its ability to provide stable and regulated voltage output for electronic applications.
Packaging/Quantity
It is typically packaged in reels with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 4.75V to 15V
- Output Voltage Range: 1.2V to 13.8V
- Dropout Voltage: 1.1V at 800mA
- Quiescent Current: 5mA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
AS1117-BQFT features a standard SOT-223 pin configuration with the following pins: 1. Vin (Input Voltage) 2. Vout (Output Voltage) 3. GND (Ground)
Functional Features
- Low dropout voltage ensures efficient regulation even with small input-output differentials.
- Thermal shutdown protection prevents the device from overheating, enhancing its reliability.
Advantages
- High output voltage accuracy ensures precise voltage regulation.
- Low quiescent current minimizes power consumption in standby mode.
Disadvantages
- Limited maximum input voltage range compared to some other voltage regulators.
- SOT-223 package may not be suitable for all application scenarios.
Working Principles
AS1117-BQFT operates by comparing the reference voltage with the divided-down output voltage to maintain a stable output.
Detailed Application Field Plans
AS1117-BQFT is commonly used in: - Battery-powered devices - Portable electronics - Automotive applications
Detailed and Complete Alternative Models
Some alternative models to AS1117-BQFT include: - LM1117 - L78Mxx series - LT1763
This comprehensive overview provides detailed insights into the AS1117-BQFT, covering its product category, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng AS1117-BQFT trong giải pháp kỹ thuật
What is the AS1117-BQFT?
- The AS1117-BQFT is a low-dropout linear voltage regulator designed for use in various technical solutions.
What is the input voltage range of the AS1117-BQFT?
- The input voltage range of the AS1117-BQFT is typically 4.75V to 15V.
What is the output voltage range of the AS1117-BQFT?
- The AS1117-BQFT is available in various fixed output voltage options, such as 1.8V, 2.5V, 3.3V, and 5.0V.
What is the maximum output current of the AS1117-BQFT?
- The maximum output current of the AS1117-BQFT is typically 1A.
What are the typical applications of the AS1117-BQFT?
- The AS1117-BQFT is commonly used in battery-powered systems, consumer electronics, industrial equipment, and other applications requiring a regulated power supply.
What are the key features of the AS1117-BQFT?
- Some key features of the AS1117-BQFT include low dropout voltage, thermal shutdown protection, and high ripple rejection.
What are the recommended input and output capacitors for the AS1117-BQFT?
- It is recommended to use a 10μF tantalum capacitor at the input and a 22μF tantalum or aluminum electrolytic capacitor at the output for stability and transient response.
What is the operating temperature range of the AS1117-BQFT?
- The AS1117-BQFT typically operates within a temperature range of -40°C to 125°C.
Can the AS1117-BQFT be used in automotive applications?
- Yes, the AS1117-BQFT is suitable for use in automotive electronics due to its wide input voltage range and robust design.
Is there a recommended PCB layout for the AS1117-BQFT?
- Yes, a recommended PCB layout is provided in the datasheet to ensure proper thermal performance and stable operation of the regulator.