Monolithic Dual Channel PWM Controller
AP2001
Typical Application Circuit
VCC
200k
470
0.47uF
50k
33k
33k
R1
R2
33k
22k
C1
500pF
V ref
16 15 14 13 12 11 10 9
AP2001
150
330pF
L1
Boost Output
R3
C2
R4
Note:
Values for R1 through R7 , C1 through C4 , and
L1 and L2 depend upon individual application.
12345678
470
C5
R5
500
pF
33k
470
33k
470
220
1uF
L2
R6
R7
Buck Output
C4
Dual output DC/DC converter
Marking Information
Logo
Part No.
( Top View )
16
9
AC
AP2001
YY WW X X
1
8
PDIP/SOP
ID code
Blank: normal
L: Lead Free Package
Xth week: 01~52
Year: "01" = 2001
"02" = 2002
Anachip Corp.
www.anachip.com.tw
Rev. 0.3 Feb 20, 2004
6/8