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华润矽威一级代理商,CRPowTech一级代理商,PT4115-30V/1.2A LED恒流驱动器

Model:
PT4115B89E
Brand:
PowTech
Batch No:
PT4115B89E,PT4115-89E,PT4115-SOH
Desc:
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Replacement models : PT4115,PT4115B89E
Package : SOT89-5,ESOP8
Topological : 开关式DC-DC降压恒流IC
LED serial number : 1~7串
Dimming mode : PWM调光,模拟调光
Switching frequency : 1MHz
Current accuracy : ±5%
Mosfet : 内置1.2A MOSFET
Efficiency : 95%
Max. power output : 18W
Max. Output Current : 1A
Output voltage : 0~26V
Input voltage : 6V~30V
Typical applications : MR16射灯,舞台灯
: PT4115规格书,PT4115采样电阻,PT4115应用电路,PT4115 LED驱动电路,PT4115驱动10W灯珠
添加到比较列表
[ Member ]    DW*** 2017-05-03 17:38:56
PT4115输出电流公式有吗?
[ Member ]    DW*** 2017-03-23 16:16:17
PT4115中文资料或是PT4115 datasheet上面的PT4115 LED驱动电路上的电感按照PT4115规格书里面的建议来选择。PT4115推荐使用的电感参数范围为27uH~100uH,电感的饱和电流必须要比输出电流高30%到50%。LED输出电流越小,建议PT4115采用的电感值越大。
[ Anonymous User ] 2017-03-23 16:06:07
PT4115中文资料PDF里面的PT4115应用电路上的电感如何选择?
[ Member ]    DW*** 2017-03-17 15:17:08
PT4115规格书内的PT4115采样电阻需要采用1%精度的采样电阻,LED输出电流控制在5%的精度。高端电流采样结构使得PT4115的外部元器件数量很少。

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