AS1117-BQFT

Product Overview

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.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AS1117-BQFT v technických řešeních

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.