SY8366HQQC

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SY8366HQQC

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Specifications

Attribute Value
Manufacturer Silergy Corp
Package / Case QFN-12-EP(3x3)
Voltage - Supply 4V~28V
Function Step-down type
Synchronous Rectifier Yes
Number of Outputs 1
Topology Step-Down
Operating Temperature -40℃~+150℃
Output Type Fixed
Switch tube (built - in / external) Built-in
Current - Output 6A
Frequency - Switching 800kHz
Output Voltage 5V

Overview

Description

The SY8366HQQC is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring low power consumption and compact form factors. It features a wide input voltage range, typically from 4.5V to 14V, and delivers an adjustable output voltage as low as 0.6V. The converter is capable of supplying up to 6A output current, making it suitable for powering processors, FPGAs, and other digital circuits.
Key features of the SY8366HQQC include a high switching frequency (usually around 1MHz), which allows the use of smaller inductors and capacitors, reducing board space requirements. It also offers internal compensation, overcurrent protection, and thermal shutdown to ensure robust performance and reliability. The device operates in a forced continuous conduction mode to provide low output voltage ripple and improved transient response.
The SY8366HQQC is typically housed in a QFN package, enhancing thermal performance and making it suitable for compact, high-density designs. Its efficiency, feature set, and size make it an ideal choice for modern electronic applications requiring efficient power management.

Equivalent

The SY8366HQQC is a high-efficiency, synchronous step-down DC-DC converter. Equivalent products may include the TPS62160 from Texas Instruments, the MP1496 from Monolithic Power Systems, and the LM3671 from Texas Instruments. These alternatives provide similar functionalities like voltage regulation, efficiency, and compact size, though specific features and performance metrics may vary. Always check the datasheets to ensure compatibility with your application.

Features

The SY8366HQQC is a high-efficiency synchronous step-down DC/DC converter designed for applications requiring compact solutions. Here are its key features:
1. Input Voltage Range: It operates with an input voltage range from 4.5V to 18V, making it versatile for various power sources.
2. Output Voltage: The device can deliver an adjustable output voltage as low as 0.8V, which suits different voltage requirements for digital ICs and systems.
3. Output Current: It supports a continuous output current of up to 6A, catering to medium high-power applications.
4. Efficiency: High efficiency is achieved through its synchronous rectification topology, typically exceeding 95%, which reduces heat and power loss.
5. Switching Frequency: Features a fixed 600kHz switching frequency, optimizing the balance between efficiency and component size.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown, ensuring durability and reliability.
7. Package: Comes in a compact QFN package, minimizing board space.
These features make the SY8366HQQC suitable for applications in telecommunications, networking, and general-purpose point-of-load power systems.

Pinout

The SY8366HQQC is a high-efficiency, synchronous step-down DC-DC converter. It typically comes in a QFN (Quad Flat No-leads) package with 12 pins. The pin functions are generally as follows:
1. VIN: Input voltage supply pin.
2. EN: Enable pin; used to enable or disable the device.
3. FB: Feedback pin; used to regulate the output voltage.
4. GND: Ground pin.
5. SW: Switch node; connects to the inductor.
6. BST: Bootstrap pin; provides a drive voltage higher than the input voltage to the high-side MOSFET.
7. LDO: Low dropout linear regulator output, if applicable.
8. PG: Power Good indicator; shows if the output is within the specified range.
9. SS: Soft-start control pin.
10. COMP: Compensation pin; used to stabilize the control loop.
11. VCC: Internal voltage supply pin.
12. RT: Resistor timing pin; sets the switching frequency.
Note: The specific function and numbering of pins may vary; always refer to the manufacturer's datasheet for precise details.

Manufacturer

The SY8366HQQC is manufactured by Silergy Corporation. Silergy is a company that specializes in the design and development of analog integrated circuits. Founded in 2008, the company focuses on providing high-performance, energy-efficient power management solutions. Their product portfolio includes DC-DC converters, LED drivers, battery management systems, and other power management components. Silergy serves a wide range of markets, including consumer electronics, industrial applications, telecommunications, and automotive sectors. The company is known for its innovative approach to designing semiconductors that optimize power efficiency and maintain high performance.

Application

The SY8366HQQC is a high-efficiency, synchronous step-down DC-DC converter. Its primary application areas include powering microprocessors, FPGAs, and ASICs in consumer electronics, computing, and telecommunications equipment. It is also suitable for use in distributed power systems and point-of-load conversions due to its compact size and high efficiency. Additionally, its features, such as a wide input voltage range and fast transient response, make it ideal for use in battery-powered devices and industrial applications where efficient power management is crucial.

Package

The SY8366HQQC is typically available in a QFN (Quad Flat No-leads) package. This type of package is designed for surface mounting on printed circuit boards and is known for its compact size, which is suitable for applications requiring efficient space utilization.

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