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FAN6555M

P1-P3P4-P6P7-P9P10-P12
PRODUCT SPECIFICATION FAN6555
REV. 1.1.3 8/4/03 7
Figure 5. Top Silk
Figure 6. Top Layer Figure 7. Bottom Layer
16
15
14
13
12
11
10
9
U1
FAN6555
V
DD
PV
DD1
V
L1
P
GND1
P
GND2
V
L2
PV
DD2
D
GND
AV
CC
V
CCQ
VREF
OUT
AGND
SHDN
VREF
IN
V
FB
V
DD
1
2
3
4
5
6
7
8
R3
100kΩ
V
CCQ
VREF
OUT
TPI
V
TT
2.5V TO 4V
SHDN
VREF
IN
GNDGND
TO SDRAMS
C7 1nF
C5
470µF
C4 0.1µF
R4 100kΩ
R5 1kΩ
C9 0.1µF
R2 100Ω
R1 100Ω
C8 0.1µF
C2
0.1µF
C1
820µF
F2V
OS-CON
L1 3.3µH
C3 0.1µF
FAN6555 PRODUCT SPECIFICATION
8 REV. 1.1.3 8/4/03
Figure 8. Test Circuit Setup
Figure 9. VTT Performance for DDR Bus
3.3V POWER
SUPPLY
ACTIVE
CLAMP
V
DD
CURRENT SOURCE/SINK
POWER SUPPLY
V
TT
GND
V
CCQ
VA
V
CCQ
SUPPLY
V A
FAN6555
EVAL
I
TT
2A SOURCING
1A SOURCING
V
TT
VARIANCE WITH V
DD
@I
TT
(V
CCQ
2.5V)
TESTED WITH EVAL PCB
I
TT
2A SINKING
1A SINKING
0A SINKING
1.29
1.28
1.27
1.26
V
TT
(V)
V
DD
(V)
2.0 2.5 3.0 4.0
3.5
PRODUCT SPECIFICATION FAN6555
REV. 1.1.3 8/4/03 9
Table 1. Recommend Parts List for Figure 1.
Table 2. Recommend Parts List for Figure 2.
Item Qty Description Manufacturer / Part Number Designator
Resistors
1 2 100Ω1210 SMD Panasonic/ERJ-8ENF1000V R1, R2
211kΩ 1210 SMD Panasonic/ERJ-8ENF1001V R5
3 2 100kΩ1210 SMD Panasonic/ERJ-8ENF1003V R3, R4
Capacitors
4 3 0.1µF 1210 Film SMD Panasonic/ECV3VB1E104K
Panasonic/ECU-V1H104KBW
C2, C8, C9
5 1 820µF 2V Solid Elect. SMD Sanyo/2SV820M Os Con C1
6 1 470µF 6.3V Solid Elect. SMD Sanyo/6SVP470M Os Con C5
7 1 1nF 1210 Film SMD Panasonic/ECU-V1H102KBM C7
8 2 0.1µF 0805 Film Panasonic/ECJ-2VF1C104Z C3, C4
ICs
9 1 FAN6555 Bus Terminator FAN6555M U1
Magnetics
10 1 3.3µH 5A inductor SMD Coilcraft/D03316P-332HC
Pulse Eng./ P0751.332T
Gowanda/SMP3316-331M
XFMRS inc./XF0046-S4
L1
Other
11 1 Scope probe socket Tektronics/131-4353-00 TP1
12 1 12 Pin breakaway strip Sullins/PTC36SAAN (36 PINS) I/O, standoffs
Item Qty Description Manufacturer / Part Number Designator
Resistors
1 2 100kΩ 0805 SMD Panasonic/ERJ-8ENF1000V R1, R3
211kΩ 0805 SMD Panasonic/ERJ-8ENF1000V R2
Capacitors
3 1 0.1µF, 1210 Film SMD Panasonic/ECV3VB1E104K
Panasonic/ECU-V1H104KBW
C2
4 1 820µF 2V Solid Elect. SMD Sanyo/2SV820M Os Con C1
5 1 470µF 6.3V Solid Elect. SMD Sanyo/6SVP470M Os Con C5
6 1 1nF 1210 Film SMD Panasonic/ECU-V1H102KBM C4
7 1 10µF 6.3V Ceramic TDK/C2012X5R0J106M C3
ICS
8 1 FAN6555 Bus Terminator FAN6555M U1
Magnetics
9 1 3.3µH 5A inductor SMD Coilcraft/D03316P-332HC
Pulse Eng./ P0751.332T
Gowanda/SMP3316-331M
XFMRS inc./XF0046-S4
L1
Other
10 1 Scope probe socket Tektronics/131-4353-00 TP1
11 1 12 Pin breakaway strip Sullins/PTC36SAAN (36 PINS) I/O, standoffs
P1-P3P4-P6P7-P9P10-P12

FAN6555M

Mfr. #:
Buy FAN6555M
Manufacturer:
ON Semiconductor / Fairchild
Description:
Switching Controllers 2a DDR Bus Term
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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