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FAN5066MX
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
PRODUCT SPECIFICATION
FAN5066
REV. 2.1.4 11/13/01
7
Application Cir
cuit
Figure 1. Application Circuit for 900mV @ 3A
VID3
VID2
VID1
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
17
18
19
20
+5V
PWRGD
U1
FAN5066
VCC
ENABLE
C7
0.1
µ
F
C8
0.1
µ
F
10K
Ω
C
EXT
C
IN
R1
R6
R5
R7
C5
1
µ
F
L1
2.2
330
µ
F
µ
H
C1
C2
0.1
µ
F
0.1
µ
F
+12V
VID4
R4
100pF
C3
0.1
µ
F
VO
U2
FAN4041
C
OUT
L2
4.7
µ
25m
Ω
470
µ
F
H
R
SENSE
4.7
Ω
Q2
Q1
D1
1N4735A
C6
0.1
FDS6984S
µ
F
1
µ
F
4.7
Ω
47
Ω
324
Ω
2K
Ω
+5V
909
Ω
R2
R3
C4
0.1
µ
F
C9
FAN5066
PRODUCT SPECIFICATION
8
REV. 2.1.4 11/13/01
T
able 2.
F
AN5066 Application Bill of Materials f
or 900mV @ 3A
Notes:
1.
Inductor L1 is recommended to isolate the 5V input supply from noise generated by the MOSFET switching. L1 may be
omitted if desired.
Reference
Man
ufacturer Part #
Quantity
Description
Requirements/Comments
C1
–
3, C6
–
C9
Panasonic
ECU-V1H104ZFX
7
100nF, 50V Capacitor
C4
–
5
Panasonic
ECU-V1C105ZFX
21
µ
F, 16V Capacitor
C
ext
Panasonic
ECU-V1H101JCG
1
100pF Capacitor
5%, C0G
C
IN
AVX
TPSE337*010R0100
1
330
µ
F, 10V Tantalum
I
rms
= 1.3A
C
OUT
AVX
TPSE477*006R0100
1
470
µ
F, 6.3V Tantalum
ESR
= 100m
Ω
D1
Motorola
1N4735A
1
6.2V Zener Diode
L1
Coiltronics
MP2-2R2
1
2.2
µ
H, 1.4A Inductor
DCR ~ 130m
Ω
See Note 1.
L2
Coiltronics
UP2B-4R7
1
4.7
µ
H, 5A inductor
DCR ~ 17m
Ω
Q1
Fairchild
FDS6984S
1
N-Channel MOSFET with
Integrated Schottky
R1
Any
1
47
Ω
R2-3
Any
2
4.7
Ω
R4
Any
1
10K
Ω
R5
Any
1
2.0K
Ω
R6
Any
1
324
Ω
R7
Any
1
909
Ω
R
SENSE
Any
1
25m
Ω
U1
Fairchild
FAN5066M
1
DC/DC Controller
U2
Fairchild
FAN4041
1
Shunt Regulator
PRODUCT SPECIFICATION
FAN5066
REV. 2.1.4 11/13/01
9
Application Cir
cuit
Figure 2. 12A Application Circuit for DDR VTT
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
17
18
19
20
+5V
PWRGD
FAN5066
U1
VCC
ENABLE
C7
0.1
µ
F
C8
0.1
µ
F
10K
Ω
C10
C11
680
µ
F
R1
C5
1
µ
F
L1
1.5
µ
H
VDDQ
R5
499
R6
499
C1
C2
0.1
µ
F
0.1
µ
F
+12V
R4
100pF
*Refer to Table 3 for value
of C
OUT
.
C9
0.1
µ
F
VO
C
OUT
*
L2
1.5
µ
H
4.7
Ω
Q2
Q1
D1
1N4735A
C6
0.1
µ
F
1
µ
F
4.7
Ω
47
Ω
R2
R3
C4
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
FAN5066MX
Mfr. #:
Buy FAN5066MX
Manufacturer:
ON Semiconductor / Fairchild
Description:
Switching Controllers DC-DC Controller ULV Synchronous
Lifecycle:
New from this manufacturer.
Delivery:
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