BenQ MP611 - Power Module IC

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