ANP007
Application Note
AP2001 Dual Buck Converter
2.5 Board of Materials
No. Value
1 open
2 1uF
Q'ty Part Reference
Description
Manufacturers
Part Number
1 C1 C5
Don't install
Philips
Philips
10 C2 C6 C7 C10 C11 Ceramic Chip CAP. 1uF 25V ±10% K X7R 0805
C12 C13 C14 C15
C16
3 10nF
2 C3 C4
1 C8
1 C9
Ceramic Chip CAP. 10nF 25V ±10% K X7R 0805
Ceramic Chip CAP. 1uF 25V ±10% K X7R 0805
Philips
Philips
4 1uF
5 470pF
Ceramic Chip CAP. 470pF 25V ±10% K X7R 0805 Philips
6 B340
2 D1 D2
3 EC1 EC2 EC3
3 J1 J2 J3
1 L1 L2
Schottky Diode 3A 40V
DIODES
B340A
7 470uF
Electrolysis Capacitors
8 CON2
2P PCB Terminal Block
TOROID COILS 33uH 3A
P-Channel MOSFET -30V -3A↑
DINKLE
ELK508V-02P
9 33uH/3A
10 PMOS_SOP8
Star Electronics
CET
2 Q1 Q4
CEM4435
AP4435M
SST2222A
MMBT4401
SST2907A
MMBT4403
APEC
11 MMBT4401
12 MMBT4403
2 Q3 Q6
2 Q2 Q5
NPN BJT 40V 0.6A SOT-23
PNP BJT -40V -0.6A SOT-23
ROHM
DIODES
ROHM
DIODES
13 470
14 47K
15 0
1 R1
Chip Resistance 470 1/8W ±10% J 0805
Chip Resistance 47K 1/8W ±10% J 0805
Chip Resistance 0 1/8W ±10% J 0805
Chip Resistance 15K 1/8W ±10% J 0805
Yageo(RL Series)
Yageo(RL Series)
Yageo(RL Series)
Yageo(RL Series)
Yageo(RL Series)
Yageo(RL Series)
Yageo(RL Series)
Yageo(RL Series)
2 R2 R11
4 R3 R4 R13 R14
1 R5
16 15K
17 4.7K
18 33K
19 8.2K
20 5.6K
21 TBD
22 200K
23 AP2001
5 R6 R9 R10 R12 R18 Chip Resistance 4.7K 1/8W ±10% J 0805
4 R7 R8 R16 R17
1 R15
Chip Resistance 33K 1/8W ±10% J 0805
Chip Resistance 8.2K 1/8W ±10% J 0805
Chip Resistance 5.6K 1/8W ±10% J 0805
To be define (5K ~ 50K)
Chip Resistance 22K 1/8W ±10% J 0805
Monolithic Dual Channel PWM Controller
1 R19
1 R20
Yageo(RL Series)
Yageo(RL Series)
Anachip
1 R21
1 U1
AP2001S
Anachip Corp.
www.anachip.com.tw
Rev. A.0 Feb. 20, 2003
7/11