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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.
Énumérez 10 questions et réponses courantes liées à l'application de AS1117-BQFT dans les solutions techniques
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.