?2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN5069 Rev. 1.1.5
19
Application Board Schematic
V
IN
= 3 to 24V; V
OUT
=1.5V at 20A.
Figure 25. Application Board Schematic
Bill of Materials
Part Description
Quantity
Designator
Vendor
Vendor Part #
Capacitor, 1500pF, 20%, 25V, 0603,X7R
1
C1
Panasonic
PCC1774CT-ND
Capacitor, 220pF, 5%, 50V, 0603,NPO
1
C2
Panasonic
PCC221ACVCT-ND
Capacitor, 3300pF, 10%, 50V, 0603,X7R
1
C3
Panasonic
PCC1778CT-ND
Capacitor, 0.1礔, 10%, 25V, 0603,X7R
4
C4, C5, C6, C15    Panasonic
PCC2277CT-ND
Capacitor, 0.22礔, 20%, 25V, 0603,X7R
2
C7, C8
Panasonic
PCC1767CT-ND
Capacitor, 0.01礔, 10%, 50V, 0603,X7R
1
C9
Panasonic
PCC1784CT-ND
Capacitor, 820礔, 20%, 10X20, 25V,20mOhm,1.96A
2
C10, C11
Nippon-Chemicon
KZH25VB820MHJ20
Capacitor, 820礔, 20%, 8X8, 2.5V,7mOhm,6.1A
1
C17
Nippon-Chemicon
PSC2.5VB820MH08
Capacitor, 560礔, 20%, 8X11.5, 4V,7mOhm,5.58A
3
C12, C13, C14
Nippon-Chemicon
PSA4VB560MH11
Capacitor, 3300pF, 10%, 50V, 0603,X7R
1
C16
Panasonic
PCC332BNCT-ND
Connector Header 0.100 Vertical, Tin - 2 Pin
1
J1
Molex
WM6436-ND
Terminal Quickfit Male .052"Dia.187" Tab
6
J2 - J7
Keystone
1212K-ND
Inductor, 1.8礖, 20%, 26Amps Max, 3.24mOhm
1
L1
Inter-Technical
SC5018-1R8M
MOSFET N-CH, 32 m? 20V, 21A, D-PAK, FSID: FDD6530A  1
Q1
Fairchild Semiconductor
FDD6530A
MOSFET N-CH, 8.8 m? 30V, 50A, D-PAK, FSID: FDD6296   1
Q2
Fairchild Semiconductor
FDD6296
MOSFET N-CH, 6 m? 30V, 75A, D-PAK, FSID: FDD6606
2
Q3, Q4
Fairchild Semiconductor
FDD6606
Resistor, 5.11K, 1%, 1/16W
1
R1
Panasonic
P5.11KHCT-ND
Resistor, 12.7K, 1%, 1/16W
1
R2
Panasonic
P12.7KHCT-ND
Resistor, 825? 1%, 1/16W
1
R3
Panasonic
P825HCT-ND
Resistor, 49.9K, 1%, 1/16W
1
R4
Panasonic
P49.9KHCT-ND
Resistor, 243K, 1%, 1/16W
1
R5
Panasonic
P243KHCT-ND
Resistor,453K, 1%, 1/16W
1
R6
Panasonic
P453KHCT-ND
Resistor,10K, 1%, 1/16W
1
R7
Panasonic
P10.0KHCT-ND
Resistor, 4.99K, 1%, 1/16W
1
R8
Panasonic
P4.99KHCT-ND
Resistor, 220? 1%, 1/4W
1
R9
Panasonic
P200FCT-ND
Resistor, 5.90K, 1%, 1/16W
1
R10
Panasonic
P5.90KHCT-ND
Resistor, 2.2? 1%, 1/4W
1
R11
Panasonic
P2.2ECT-ND
Connector Header 0.100 Vertical, Tin - 1 Pin
3
TP1,TP2, Vcc
Molex
WM6436-ND
IC, System Regulator, TSSOP16, FSID: FAN5069
1
U1
Fairchild Semiconductor
FAIRCHILD
5K
R8
10K
R7
50K
R4
243K
R5
12. 7k
R2
5.11K
R1
825
R3
5.83K
R1 0
453K
R6
220
R9
0.1礔
C4
220pF
C2
1500pF
C1
3300pF
C3
0.01礔
C9
0.22礔
C8
0.1礔
C6
0.22礔
C7
0.1礔
C5
1.8礖
L1
J1
+5V or +12V
FDD6606
Q3
FDD6296
Q2
FDD6530A
Q1
+
820礔
C1 0
+
820礔
C1 1
+
560礔
C1 2
0.1礔
C1 5
PWM OUT
PWM OUT
Vcc
3-24V
2.2
R1 1
3.3nF
C1 6
LDO
FDD6606
Q4
+
560礔
C1 3
+
560礔
C1 4
+
560礔
C1 7
FBLDO
1
R(T)
2
IL IM
3
SS
4
COMP
5
FB
6
EN
7
AGND
8
GLDO
16
VCC
15
R(RAMP)
14
BOOT
11
HDRV
10
SW
9
LDRV
13
PGND
12
FAN5069
U1
TP1
TP2
V
IN
J2
GND
J3
GND
J5
SW_Out
J4
LDO_Out
J7
GND
J6