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SP6500
The SP6500 is a synchronous rectifier controller for flyback power supply systems. It can replace Schottky rectifier diodes and reduce losses with its extremely low on-resistance. The SP6500 can operate in discontinuous conduction mode (DCM) and quasi-resonant mode (QR). Advanced blanking technology ensures stable and reliable operation of the chip in various operating modes.
- Product Description
-
- Commodity name: SP6500
- 封装: SOT23-6
- 品牌: Wuxi Silicon Power Microelectronics
The SP6500 is a synchronous rectifier controller for flyback power supply systems. It can replace Schottky rectifier diodes and reduce losses with its extremely low on-resistance. The SP6500 can operate in discontinuous conduction mode (DCM) and quasi-resonant mode (QR). Advanced blanking technology ensures stable and reliable operation of the chip in various operating modes.
The SP6500 is a synchronous rectifier controller for flyback power supply systems. It can replace Schottky rectifier diodes and reduce losses with its extremely low on-resistance. The SP6500 can operate in discontinuous conduction mode (DCM) and quasi-resonant mode (QR). Advanced blanking technology ensures stable and reliable operation in various operating modes.
The SP6500 controls the on and off states of the external MOSFET by detecting the drain-source voltage. It features simple external components and is suitable for applications with 5～12V output.
Typical Application Diagram
Features
● Integrated 150V high-voltage process
● Extremely low quiescent current
● Maximum operating frequency up to 70kHz
● Pull-down on-resistance of 1.2Ω and pull-up on-resistance of 3.0Ω on the driver pin
● 50ns turn-off delay time
● VCC operating voltage range 3V～6V
● Integrated VCC overvoltage protection
● Cycle-by-cycle minimum on-time detection to prevent mis-triggering
● Operates in discontinuous conduction mode (DCM) and quasi-resonant mode (QR)
● SOT23-6 lead-free package
Applications
● AC/DC power adapters
● Battery chargers
● Digital camera chargers
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