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BL1117-18CX

Name: BL1117-18CX
Rating: 4.7 (12 reviews)

Производитель
Мфр. Часть #BL1117-18CX
Пакет
Лист данных BL1117-18CX DataSheet
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Спецификации

Manufacturer	BL(Shanghai Belling)
Package	SOT-223-4
Operating Temperature	-40℃~+85℃
Voltage - Supply	12V
Output Type	Fixed
Number of Outputs	1
Output Current	1A
Voltage Dropout	1.5V@(1A)
Power Supply Rejection Ratio (PSRR)	60dB@(120Hz)
Features	Overcurrent Protection
Output Voltage	1.8V
Output Configuration	Positive electrode

Обзор

Description

BL1117-18CX is a low-dropout (LDO) voltage regulator designed to provide stable output voltage with minimal input-output voltage differential. It typically offers an output current capacity of up to 1A, making it suitable for various applications, including consumer electronics, automotive, and industrial devices. The device works effectively with an input voltage range of 1.25V to 20V and can deliver output voltages of 1.25V to 18V, depending on the configuration.
Key features include low quiescent current, thermal shutdown, and current limiting for enhanced reliability and protection against overheating and overcurrent conditions. The package options often include TO-220 and SOT-223, allowing for flexibility in PCB design. BL1117-18CX is widely appreciated for its simplicity in design, effective performance in power management, and compatibility with various capacitors, making it a popular choice in the field of electronics.

Features

The BL1117-18CX is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage with high accuracy. Key features include:
- Output Voltage: Fixed output of 1.8V, suitable for various applications.
- Input Voltage Range: Operates with input voltages from 4.75V to 12V.
- Low Dropout Voltage: Typically around 1.1V, which allows for efficient operation with minimal voltage difference between input and output.
- Output Current: Capable of delivering up to 800mA, making it suitable for powering low to moderate load devices.
- Thermal Protection: Built-in thermal shutdown feature protects the device from overheating.
- Short-Circuit Protection: Prevents damage in case of output short circuits by limiting current.
- Compact Package: Available in a small TO-220 or TO-263 package, facilitating easy integration into circuit designs.
Overall, the BL1117-18CX is ideal for applications requiring a reliable 1.8V power supply, such as microcontrollers and other digital devices.

Package

The BL1117-18CX is typically available in a SOT-223 package. This surface-mounted package is designed for low-profile applications, providing efficient thermal performance and space-saving benefits in electronic circuits.

Pinout

The BL1117-18CX is a low dropout (LDO) linear voltage regulator. It typically features a pin count of 3. The functions of the pins are as follows:
1. Input (VIN): This pin is where the input voltage is applied. It must be higher than the output voltage (by at least the dropout voltage) for proper operation.
2. Output (VOUT): This pin provides the regulated output voltage, which, for the BL1117-18CX, is typically set to 1.8V.
3. Ground (GND): This pin serves as the ground reference for the device and the circuit.
The BL1117-18CX is designed for applications requiring a stable output voltage with low dropout, making it suitable for battery-powered devices and other electronics. Its compact design and efficiency make it a popular choice in various consumer electronics.

Manufacturer

The BL1117-18CX is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments is renowned for its development of semiconductors and various integrated circuits, particularly in the fields of analog electronics, embedded processors, and digital signal processors. Founded in 1930, the company has a diverse portfolio that serves multiple sectors, including automotive, industrial, communications, and consumer electronics. TI is known for its focus on innovation and quality in semiconductor manufacturing, making it a significant player in the global electronics market. The BL1117-18CX itself is a low-dropout (LDO) linear voltage regulator, widely used in electronic designs to provide stable voltage output.

Application

The BL1117-18CX is a low-dropout (LDO) voltage regulator commonly used in applications such as power management for microcontrollers, sensors, communication devices, and consumer electronics. It provides stable output voltage with low noise, making it suitable for battery-powered devices and portable equipment. Additionally, it is used in RF applications, automotive electronics, and any circuit requiring a reliable power supply with minimal voltage drop.

Equivalent

The BL1117-18CX is a low dropout (LDO) voltage regulator. Equivalent products include the LM1117-18, MIC1117-18, SPX1117-18, and LP1117-18. These alternatives provide similar specifications such as output voltage (1.8V), dropout voltage, and current capacity. Always verify specific electrical characteristics to ensure compatibility for your application.

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