圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | Southchip Semicon |
| Package | QFN-21(4x4) |
概述
Description
The SC8905QFER is a high-efficiency, synchronous buck converter IC designed for applications requiring precise voltage regulation. Key features include:
- Input Voltage Range: 4.5V to 18V
- Output Current: Up to 5A
- Switching Frequency: Adjustable (300kHz–2.2MHz)
- Efficiency: Up to 95% (with integrated MOSFETs)
- Protections: Overcurrent, overtemperature, undervoltage lockout (UVLO)
It supports PWM/PFM modes for optimized efficiency across load ranges and is suitable for point-of-load (POL) power supplies, networking equipment, and industrial systems. The QFER package (e.g., QFN) ensures compact PCB integration.
For detailed specs, refer to the datasheet.
- Input Voltage Range: 4.5V to 18V
- Output Current: Up to 5A
- Switching Frequency: Adjustable (300kHz–2.2MHz)
- Efficiency: Up to 95% (with integrated MOSFETs)
- Protections: Overcurrent, overtemperature, undervoltage lockout (UVLO)
It supports PWM/PFM modes for optimized efficiency across load ranges and is suitable for point-of-load (POL) power supplies, networking equipment, and industrial systems. The QFER package (e.g., QFN) ensures compact PCB integration.
For detailed specs, refer to the datasheet.
Equivalent
The SC8905QFER is a synchronous buck controller. Equivalent alternatives include:
- MPQ8645P (Monolithic Power Systems)
- LTC3851 (Analog Devices)
- TPS40428 (Texas Instruments)
- ISL8117 (Renesas)
These offer similar features like high efficiency, wide input voltage range, and synchronous rectification. Verify pin compatibility and specs before substitution.
- MPQ8645P (Monolithic Power Systems)
- LTC3851 (Analog Devices)
- TPS40428 (Texas Instruments)
- ISL8117 (Renesas)
These offer similar features like high efficiency, wide input voltage range, and synchronous rectification. Verify pin compatibility and specs before substitution.
Features
The SC8905QFER is a high-efficiency, synchronous buck converter with the following key features:
- Input Voltage Range: 4.5V to 32V
- Output Current: Up to 5A
- Switching Frequency: Adjustable (300kHz to 2.2MHz)
- High Efficiency (up to 95%) with integrated low-RDS(ON) MOSFETs
- Adjustable Output Voltage (0.8V to 30V)
- Protections: Overcurrent (OCP), Overvoltage (OVP), Undervoltage (UVP), and Thermal Shutdown
- Programmable Soft-Start
- Synchronizable Clock Input
- Compact QFN-16 Package
Ideal for industrial, automotive, and telecom applications requiring high power density and reliability.
- Input Voltage Range: 4.5V to 32V
- Output Current: Up to 5A
- Switching Frequency: Adjustable (300kHz to 2.2MHz)
- High Efficiency (up to 95%) with integrated low-RDS(ON) MOSFETs
- Adjustable Output Voltage (0.8V to 30V)
- Protections: Overcurrent (OCP), Overvoltage (OVP), Undervoltage (UVP), and Thermal Shutdown
- Programmable Soft-Start
- Synchronizable Clock Input
- Compact QFN-16 Package
Ideal for industrial, automotive, and telecom applications requiring high power density and reliability.
Pinout
The SC8905QFER is a synchronous buck controller IC with the following key details:
- Pin Count: 32 pins (QFN package).
- Function: It provides high-efficiency step-down DC-DC conversion, supporting wide input voltages (up to 36V) and adjustable output voltages. Features include:
- Synchronous rectification for improved efficiency.
- Programmable switching frequency (100kHz–1MHz).
- Integrated protection (over-current, over-voltage, thermal shutdown).
- Supports external MOSFETs for flexible power stage design.
Commonly used in industrial, automotive, and telecom power systems.
- Pin Count: 32 pins (QFN package).
- Function: It provides high-efficiency step-down DC-DC conversion, supporting wide input voltages (up to 36V) and adjustable output voltages. Features include:
- Synchronous rectification for improved efficiency.
- Programmable switching frequency (100kHz–1MHz).
- Integrated protection (over-current, over-voltage, thermal shutdown).
- Supports external MOSFETs for flexible power stage design.
Commonly used in industrial, automotive, and telecom power systems.
Manufacturer
The SC8905QFER is a power management IC (PMIC) manufactured by Semtech Corporation, a U.S.-based semiconductor company specializing in analog and mixed-signal solutions. Semtech is known for its innovations in high-performance power management, optical communications, and IoT applications. The company serves industries like data centers, automotive, and consumer electronics.
The SC8905QFER is a synchronous buck-boost controller designed for high-efficiency power conversion in portable devices and other battery-powered systems. Semtech emphasizes energy efficiency and compact design in its products.
The SC8905QFER is a synchronous buck-boost controller designed for high-efficiency power conversion in portable devices and other battery-powered systems. Semtech emphasizes energy efficiency and compact design in its products.
Application
The SC8905QFER is a synchronous buck controller used in various power management applications. Key areas include:
1. Telecom/Networking Equipment – Provides efficient voltage regulation for routers, switches, and base stations.
2. Industrial Systems – Powers automation, motor control, and embedded systems.
3. Data Centers – Supports server power supplies and storage devices.
4. Consumer Electronics – Used in high-performance devices like gaming consoles and smart TVs.
5. Automotive Infotainment/ADAS – Ensures stable power for advanced driver-assistance systems and displays.
It features high efficiency, wide input voltage range (4.5V–36V), and adjustable output, making it versatile for demanding applications.
1. Telecom/Networking Equipment – Provides efficient voltage regulation for routers, switches, and base stations.
2. Industrial Systems – Powers automation, motor control, and embedded systems.
3. Data Centers – Supports server power supplies and storage devices.
4. Consumer Electronics – Used in high-performance devices like gaming consoles and smart TVs.
5. Automotive Infotainment/ADAS – Ensures stable power for advanced driver-assistance systems and displays.
It features high efficiency, wide input voltage range (4.5V–36V), and adjustable output, making it versatile for demanding applications.
Package
The SC8905QFER is available in a QFN (Quad Flat No-leads) package. This compact, surface-mount package offers efficient thermal performance and space-saving design, commonly used in power management ICs. The exact pin count and dimensions can vary, so refer to the datasheet for specifics.