SY81012VDC

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SY81012VDC

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Bảo hành 365 ngày

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Thông số kỹ thuật

Manufacturer Silergy Corp
Package QFN-19(3x4)
Voltage - Supply 2.7V~16V
Function Step-down type
Synchronous Rectifier Yes
Number of Outputs 1
Topology Step-Down
Operating Temperature -40℃~+125℃
Quiescent Current 850uA
Switch tube (built-in/external) Built-in
Output Current 12A
Frequency - Switching 600kHz~1000kHz
Output Voltage 600mV~5.5V

Tổng quan

Description

The SY81012VDC is a high-performance, step-down (buck) voltage regulator specifically designed for efficient power management in various electronic applications. It operates with an input voltage range typically from 4.5V to 36V, delivering a regulated output voltage of 12V. The device is known for its high efficiency, low output ripple, and compact design, making it suitable for use in consumer electronics, industrial equipment, and automotive applications.
Key features include adjustable output voltage, built-in overcurrent protection, thermal shutdown, and a wide operating temperature range. This regulator is especially favored for its ability to handle load transients effectively, ensuring stable output even with varying input conditions. Its small footprint and ease of integration into PCB designs further enhance its appeal in modern electronic systems. Overall, the SY81012VDC is an ideal choice for designers seeking reliable and efficient power solutions.

Features

The SY81012VDC is a high-efficiency synchronous step-down DC-DC converter designed for a wide range of applications. Key features include:
1. Input Voltage Range: Typically supports input voltages of 4.5V to 15V, making it suitable for various power sources.
2. Output Voltage: Adjustable output voltage down to 0.8V, allowing flexibility for different requirements.
3. High Efficiency: Offers efficiencies up to 95%, minimizing power loss and heat generation.
4. Load Current: Capable of delivering up to 12A, suitable for high-current applications.
5. Control Method: Utilizes a current-mode control scheme, which enhances transient response and stability.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
7. Compact Package: Available in a small, thermally efficient package, facilitating easier PCB design and layout.
Overall, the SY81012VDC is designed for demanding applications requiring reliable power management with high efficiency.

Package

The SY81012VDC is typically available in a compact SOT-23 package type. This surface-mount package is designed for space-saving applications, featuring a small footprint suitable for various electronic circuit layouts.

Pinout

The SY81012VDC is a high-performance step-down voltage regulator from Silicon Yield Technology. It typically comes in a 5-pin package. The pin configuration and functions are as follows:
1. VIN: Input voltage supply pin, where the input voltage is applied (typically between 4.5V to 15V).
2. GND: Ground pin, connected to the system ground.
3. SW: Switch pin, where the output voltage is generated and is connected to the inductor.
4. VOUT: Output voltage pin, which supplies the regulated output voltage.
5. COMP: Compensation pin, used for external compensation to stabilize the control loop.
This device provides high efficiency and fast transient response, making it suitable for various applications in power management.

Manufacturer

The SY81012VDC is manufactured by Silan Microelectronics. Silan is a Chinese semiconductor company that specializes in the design and production of integrated circuits and other electronic components. They focus on various sectors, including power management, LED drivers, and consumer electronics. Silan aims to provide innovative solutions and high-quality products for a wide range of applications in the electronics industry.

Application

The SY81012VDC is a high-efficiency DC-DC step-down (buck) converter primarily used in applications such as battery-powered devices, portable electronics, automotive systems, and power management in computing and telecommunications. Its features make it suitable for powering microcontrollers, sensors, and low-voltage logic circuits, ensuring optimized performance and energy efficiency in various industrial and consumer electronics.

Equivalent

The SY81012VDC is a voltage supervisor with a precision reset function. Equivalent products include the TPS3808G01 from Texas Instruments, the MAX811 from Maxim Integrated, and the MCP100 from Microchip Technology. Always verify specifications such as voltage thresholds and reset delays to ensure compatibility for your application.

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