onsemi 功率因数控制器芯片, TSOP, 贴片安装, 6针, 最大电源3 mA, 最大反向42μA, 最高50 kHz, 最高+125 °C

不可供应
RS 不再对该产品备货。
RS 库存编号:
178-4353
制造商零件编号:
NCP1622DCCSNT1G
制造商:
onsemi
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品牌

onsemi

最高开关频率

50 kHz

起动电源电流

70µA

芯片类型

功率因数控制器芯片

最大源电流

277µA

最大反向电流

42µA

最大电源电流

3 mA

安装类型

贴片

封装类型

TSOP

引脚数目

6

尺寸

3.1 x 1.7 x 1mm

高度

1mm

长度

3.1mm

最大工作电源电压

30 V

最高工作温度

+125 °C

最低工作温度

-40 °C

宽度

1.7mm

最小工作电源电压

9.5 V

COO (Country of Origin):
MY
The 6-pin PFC controller NCP1622 is designed to drive PFC boost stages. It is based on an innovative Valley Synchronized Frequency Fold-back (VSFF) method. In this mode, the circuit classically operates in Critical conduction Mode (CrM) when control voltage exceeds a programmable value Vctrl,FF.

Critical Conduction Mode with frequency foldback
Valley Synchronized Frequency Fold-back (VSFF)
Works with or without a transformer w/ ZCD winding
Dynamic Response Enhancer
Benefits:
Optimizes conversion efficiency across load range
Enhanced efficiency at light load conditions compared to CrM PFC
Reduced inductor cost and simplified design
Improved transient response for line and load steps