Power Module Ic - BenQ MP611 Product Service Manual

5.7 Power module IC

From T651
7
D
The Power module IC is TOP247Y , The function of each pins described as follow.
pin 1 : Control pin
pin 2 : Line-sense pin
pin 3 : External current limit pin
pin 4 : Source pin
2
L
IC651
TOP247Y
S X
4 3
R652
20K
0805J
1
C
F
C653
0.1U
5
50V
0805
pin 5 : Frequency pin
pin 6 : NA
pin 7 : Drain pin
147
R653
6.8
1206J
+
C654
47U
25V
(EL)
From IC652