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KP4051X series
KP4051X High-performance secondary-side synchronous rectifier switch with fast turn-off function The KP4051X is a high-performance secondary-side synchronous rectifier power switch that can replace Schottky rectifier diodes to improve system efficiency. The KP4051X supports High Side and Low Side configurations and has a built-in high-voltage VDD power supply module, eliminating the need for auxiliary winding power supply and reducing system costs. The KP4051X has a fast turn-off function and supports discontinuous conduction mode (DCM), quasi-resonant mode (QR), and continuous conduction mode (CCM). The KP4051X integrates an intelligent turn-on detection function, which can effectively prevent SR mis-turn-on caused by Vds oscillation in discontinuous conduction mode (DCM).
Category：
- Product Description
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- Commodity name: KP4051X series
- 封装: ASOP-6
- 品牌: Biyi Microelectronics
KP4051X High-performance secondary-side synchronous rectifier switch with fast turn-off function The KP4051X is a high-performance secondary-side synchronous rectifier power switch that can replace Schottky rectifier diodes to improve system efficiency. The KP4051X supports High Side and Low Side configurations and has a built-in high-voltage VDD power supply module, eliminating the need for auxiliary winding power supply and reducing system costs. The KP4051X has a fast turn-off function and supports discontinuous conduction mode (DCM), quasi-resonant mode (QR), and continuous conduction mode (CCM). The KP4051X integrates an intelligent turn-on detection function, which can effectively prevent SR mis-turn-on caused by Vds oscillation in discontinuous conduction mode (DCM).
Main Features
• Built-in 100V MOSFET
• Supports Discontinuous Conduction Mode (DCM), Quasi-Resonant Mode (QR)
and Continuous Conduction Mode (CCM)
• Integrated 180V high-voltage power supply circuit, no auxiliary winding power supply required
• Supports reliable operation of synchronous rectification with output as low as 0V
• Supports wide range of output voltage applications, especially suitable for QC, PD
and other fast charging protocols
• Supports High Side and Low Side configurations
• <30ns turn-on and turn-off delay
• Intelligent turn-on detection function to prevent accidental turn-on
• Intelligent zero-crossing detection function
• Intelligent gate clamping before startup
• ASOP-6 package
Product Model
Topology
Maximum Output Current (A)
Operating Mode
Withstand Voltage
On-Resistance (mΩ)
Maximum Frequency (kHz)
Package
KP40511
SSR
3
DCM/QR/CCM
100V MOS
16
200
ASOP-6
KP40512
SSR
4
DCM/QR/CCM
100V MOS
10
200
ASOP-6
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E-mail：
Company Address：
Room 819, Dongmei Building, Xiangnan Three District, Minqiang Community, Minzhi Street, Longhua District, Shenzhen
