FAN5069_08 Datasheet, PDF (19/22 Pages) Fairchild Semiconductor – PWM and LDO Controller Combo

Application Board Schematic
V_IN = 3 to 24V; V_OUT =1.5V at 20A.
+5V or +12V
Vc c
J1
PWM OUT
R9
220
C7
0.22µF
LD O
Q1
FDD6530A
15
VCC
U1
R(RA M P)
14
16
GLDO
HDRV
10
J7
LD O_Out
J6
GND
C4
0.1µF
R8
1
+C17 ^5K
R7 10K
560µF
R4
2
50K
R5
3
243K
TP1
C5
4
0.1µF
TP2
7
C9
0.01µF
8
FB L DO
R(T)
IL IM
SS
EN
A GND
BOOT
11
SW
9
LDRV
13
PGND
12
COMP
5
FB
6
FA N5069
R6 453K
FDD6296
C6
Q2 0.1µF
3-24V
C10 + C11 +
820µF 820µF
J2
V
IN
J3
GND
C8
0.22µF
FDD6606 FDD6606
Q3
Q4
PWM OUT
L1 1.8µH
R11
2.2
C16
3.3nF
C12 ₊ C13 ₊ C14 ₊ C15
560µF 560µF 560µF 0.1µF
C1
1500pF
R2
12.7k
C2
220pF
R10
C3
R3
825 _3300pF
R1
5.11K
5.83K
J4
SW_Out
J5
GND
Figure 25. Application Board Schematic
Bill of Materials
Part Description
Quantity
Capacitor, 1500pF, 20%, 25V, 0603,X7R
1
Capacitor, 220pF, 5%, 50V, 0603,NPO
1
Capacitor, 3300pF, 10%, 50V, 0603,X7R
1
Capacitor, 0.1µF, 10%, 25V, 0603,X7R
4
Capacitor, 0.22µF, 20%, 25V, 0603,X7R
2
Capacitor, 0.01µF, 10%, 50V, 0603,X7R
1
Capacitor, 820µF, 20%, 10X20, 25V,20mOhm,1.96A
2
Capacitor, 820µF, 20%, 8X8, 2.5V,7mOhm,6.1A
1
Capacitor, 560µF, 20%, 8X11.5, 4V,7mOhm,5.58A
3
Capacitor, 3300pF, 10%, 50V, 0603,X7R
1
Connector Header 0.100 Vertical, Tin - 2 Pin
1
Terminal Quickfit Male .052"Dia.187" Tab
6
Inductor, 1.8µH, 20%, 26Amps Max, 3.24mOhm
1
MOSFET N-CH, 32 mΩ, 20V, 21A, D-PAK, FSID: FDD6530A 1
MOSFET N-CH, 8.8 mΩ, 30V, 50A, D-PAK, FSID: FDD6296 1
MOSFET N-CH, 6 mΩ, 30V, 75A, D-PAK, FSID: FDD6606 2
Resistor, 5.11K, 1%, 1/16W
1
Resistor, 12.7K, 1%, 1/16W
1
Resistor, 825Ω, 1%, 1/16W
1
Resistor, 49.9K, 1%, 1/16W
1
Resistor, 243K, 1%, 1/16W
1
Resistor,453K, 1%, 1/16W
1
Resistor,10K, 1%, 1/16W
1
Resistor, 4.99K, 1%, 1/16W
1
Resistor, 220Ω, 1%, 1/4W
1
Resistor, 5.90K, 1%, 1/16W
1
Resistor, 2.2Ω, 1%, 1/4W
1
Connector Header 0.100 Vertical, Tin - 1 Pin
3
IC, System Regulator, TSSOP16, FSID: FAN5069
1
Designator
C1
C2
C3
C4, C5, C6, C15
C7, C8
C9
C10, C11
C17
C12, C13, C14
C16
J1
J2 - J7
L1
Q1
Q2
Q3, Q4
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
TP1,TP2, Vcc
U1
Vendor
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Nippon-Chemicon
Nippon-Chemicon
Nippon-Chemicon
Panasonic
Molex
Keystone
Inter-Technical
Fairchild Semiconductor
Fairchild Semiconductor
Fairchild Semiconductor
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Molex
Fairchild Semiconductor
Vendor Part #
PCC1774CT-ND
PCC221ACVCT-ND
PCC1778CT-ND
PCC2277CT-ND
PCC1767CT-ND
PCC1784CT-ND
KZH25VB820MHJ20
PSC2.5VB820MH08
PSA4VB560MH11
PCC332BNCT-ND
WM6436-ND
1212K-ND
SC5018-1R8M
FDD6530A
FDD6296
FDD6606
P5.11KHCT-ND
P12.7KHCT-ND
P825HCT-ND
P49.9KHCT-ND
P243KHCT-ND
P453KHCT-ND
P10.0KHCT-ND
P4.99KHCT-ND
P200FCT-ND
P5.90KHCT-ND
P2.2ECT-ND
WM6436-ND
FAIRCHILD
© 2005 Fairchild Semiconductor Corporation
FAN5069 Rev. 1.1.5
19
www.fairchildsemi.com