![](/html/Diodes/886008/page9.png)
AP1534
PWM CONTROL 2A STEP-DOWN CONVERTER
Functional Description (Continued)
VIN
R4
+ C2
-
+ C3
-
Vcc
Output
C7
Option
AP1534
OCSET
FB
EN
VSS
R5
C6
L1
C1
Option
D1
VOUT
R1
+
+
C8 C4
-
-
R2
Figure: Layout numbering comparison.
Marking Information
Logo
Part No.
( Top View )
8
5
AP1534
YYWW X X
1
4
SOP-8L
G : Green
Internal code
Xth week: 01~52
Year : "07" = 2007
"08" = 2008
AP1534 Rev. 4
9 of 11
www.diodes.com
SEPTEMBER 2008
© Diodes Incorporated