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SP6519F
It is a high-performance synchronous rectifier control circuit on the secondary side of a switching power supply.
- Product Description
-
- Commodity name: SP6519F
- 封装: SOP8
- 品牌: Wuxi Silicon Power Microelectronics
It is a high-performance synchronous rectifier control circuit on the secondary side of a switching power supply.
SP6519F is a high-performance synchronous rectifier control circuit for secondary-side switching power supplies. In low-voltage, high-current switching power supply applications, it easily meets Tier 6 energy efficiency requirements and is an ideal solution for ultra-low conduction voltage drop rectifier devices. The chip supports switching frequency applications up to 150kHz and supports switching power supply operating modes such as CCM/QR/DCM. The extremely low conduction voltage drop results in significantly lower power loss compared to Schottky diodes, greatly improving system conversion efficiency and significantly reducing rectifier device temperature.
The chip integrates a 100V NMOSFET synchronous rectifier switch with extremely low internal resistance, with a typical RdsON as low as 10mΩ, providing a system output of up to 3A; it also integrates high-voltage direct detection technology with a voltage rating up to 200V; and self-powered technology greatly expands the output voltage application range.
Typical Application Diagram
Functions
● Supports switching power supply CCM/QR/DCM modes
● Excellent 3.3V-15V fast charging self-powered synchronous rectification application
● Built-in MOS with voltage rating up to 100V
● Built-in MOS on-resistance as low as 10mΩ
● Efficiency improvement of 2~6% compared to traditional Schottky
● Static operating current as low as 600uA
● Supports switching power supply frequencies up to 150KHz
● SOP8 package
Applications
● 3.3V3A~15V3A fast charging power supply
● Low-voltage, high-current power supply
● High-efficiency switching power supply
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