Part Number
|
QH7938 |
Manufacturer
|
ETC |
Description
|
Primary side feedback dimmable single-stage active PFC LED constant current control chip |
Published
|
Aug 5, 2014 |
Detailed Description
|
QH7938
PFC LED
QH7938、 LED ,, 85Vac-265Vac QH7938 LED 。 , 。 , MOS , ,。
QH7938 ,
...
|
Datasheet
|
QH7938
|
Overview
QH7938
PFC LED
QH7938、 LED ,, 85Vac-265Vac QH7938 LED 。 , 。 , MOS , ,。
QH7938 ,
、, PF , THD , ± 3% LED (28uA) FB , LED / / SOP-8
,, ,, 。
QH7938 ,
。 。 , LED 、 LED 、 、 、。 。, QH7938 ,, 。 QH7938 。
GU10/E27 LED 、 LED PAR30、PAR38 LED LED
NP
NS
AC NA
QH7938
2 VCC 3 FB 1 COMP 6 GND
RTH 8 DIM 7 GATE 5 CS 4
1 QH7938
1
QH7938
PFC LED
QQqH7938
SOP8
-40 ℃ 105 ℃
QH7938
2,500 /
XYY
COMP VCC FB CS RTH
QH7938
2
DIM GND GATE
XXXXXY: lot code X: Year YY:Week
1 2 3 4 5 6 7 8 COMP VCC FB CS GATE GND DIM RTH , MOS , ,,
2
PFC LED ( 1)
VCC ICC_MAX COMP FB CS DIM RTH GATE PDMAX θ
JA
VCC ...
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