Offline Step-down LED Driver With PFC and High Voltage Current Source

FEATURES
No auxiliary winding
Supplied from line voltage directly
high voltage power MOSFET integrated
High current accuracy of line and load regulation
High power factor
Critical conduction mode
High efficiency over wide operating range
LED open protection
ISP over vol

文件：158.45 Kbytes 页数：1 Pages

JW

杰华特

Offline Step-down LED Driver With PFC and High Voltage Current Source

JW®1758BC是一款具有高电流精度的恒流LED驱动器，适用于单级降压功率因数校正LED驱动器。 集成了高压功率MOS，可以显着简化LED照明系统的设计。\n\nJW1758BC集成高压电源，可直接由线电压供电，无需辅助绕组。\n\n通过直接对输出电流进行采样，可实现高精度的输出电流。 临界导通模式操作可降低开关损耗并大幅提高效率。\n\nJW1758BC具有多重保护功能，大大提高了系统的安全性和可靠性，包括VCC欠压锁定，ISP过压保护，LED开路保护和过温保护。\n\n 1.没有辅助绕组\n2.直接从线电压供电\n3.集成高压功率MOSFET\n4.线路和负载调节的高电流精度\n5.高功率因数\n6.临界传导模式\n7.在宽工作范围内实现高效率\n8. LED开路保护\n9. ISP过压保护\n10.内部过热保护\n11. SOP7和DIP7封装;

JoulWatt

杰华特

Offline Step-down LED Driver With PFC and High Voltage Current Source

FEATURES
No auxiliary winding
Supplied from line voltage directly
high voltage power MOSFET integrated
High current accuracy of line and load regulation
High power factor
Critical conduction mode
High efficiency over wide operating range
LED open protection
ISP over vol

文件：158.45 Kbytes 页数：1 Pages

JW

杰华特

Offline Step-down LED Driver With PFC and High Voltage Current Source

FEATURES
No auxiliary winding
Supplied from line voltage directly
high voltage power MOSFET integrated
High current accuracy of line and load regulation
High power factor
Critical conduction mode
High efficiency over wide operating range
LED open protection
ISP over vol

文件：158.45 Kbytes 页数：1 Pages

JW

杰华特

Offline Step-down LED Driver With PFC and High Voltage Current Source

FEATURES
No auxiliary winding
Supplied from line voltage directly
high voltage power MOSFET integrated
High current accuracy of line and load regulation
High power factor
Critical conduction mode
High efficiency over wide operating range
LED open protection
ISP over vol

文件：158.45 Kbytes 页数：1 Pages

JW

杰华特