FAN5078D3 查看數據表（PDF） - Fairchild Semiconductor
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FAN5078D3 Datasheet PDF : 18 Pages
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Table 1. BOM for Figure 1
Ref.
Q1
Q2
Q3
Q4, Q6
Q5
Q7
C12,C15
C13
C14
C2
C4, C8
C3, C5
C6
C7
C9
CIN
COUT
L1
L2
R1,R2,R3,R9,R10
R4
R5
R6
Qty Description
NFET, VDS=25V, DPAK
VGS=10V, ID=35A, RDS(ON)=6.5mΩ (Typ)
1 ID=35A, RDS(ON)=9.1mΩ (Typ)
NFET, VDS=25V, DPAK
VGS=10V, ID=35A, RDS(ON)=6.5mΩ (Typ)
1 ID=35A, RDS(ON)=9.1mΩ (Typ)
NFET, VDS=30V, DPAK
VGS=10V, ID=35A, RDS(ON)=7mΩ (Typ)
1 ID=35A, RDS(ON)=9mΩ (Typ)
2 PFET, 20V, 5.5A, 30mΩ, SSOT6
1 NFET, 20V, 6.2A, 20mΩ, SSOT6
1 NFET, 30V, 30A, 22mΩ, DPAK
2 330µf, 10V, 20%, 110mΩ
1 10nf, 50V, 10%, X7R
1 3.3nf, 50V, 10%, X7R
1 4.7µf, 25V, 20%, X5R
2 1.0µf, 10V, 10%, X5R
2 0.1µf, 16V, 10%, X7R
1 4.7nf, 50V, 10%, X7R
1 820µf, 6.3V, 20%, 36mΩ
1 82pf, 50V, 5%, NPO
4 1200µf, 6.3V, 20%, 18mΩ
3 1200µf, 6.3V, 20%, 18mΩ
1 IND, 1.8µH, 16A, 3.2mΩ
1 IND, 470nH, 16A, 2.6mΩ
5 1.21K, 1%
1 3.9K, 5%
1 71.5K, 1%
1 15.0K, 1%
Mfg. and Part Number
VGS=4.5V, Fairchild Semiconductor FDD8780
VGS=4.5V, Fairchild Semiconductor FDD8780
VGS=4.5V, Fairchild Semiconductor FDD8880
Fairchild Semiconductor FDC602P
Fairchild Semiconductor FDC637AN
Fairchild Semiconductor FDD6612A
Inter-Technical SC5018-1R8M
Inter-Technical SC2511-R47M
Contact a Fairchild Semiconductor representative for complete reference design and / or evaluation board.
Bypass Capacitor Notes:
1. Input capacitor CIN is typically chosen based on the ripple current requirements. COUT is typically selected based on both
current ripple rating and ESR requirement (see AN-6006 for these calculations).
2. C7, C12, and C15 selection is largely determined by ESR and load transient response requirements. In each case, the
number of capacitors required depends on the capacitor technology chosen. Oscons can meet the requirements with less
space, but higher cost, than low-ESR electrolytics.
© 2008 Fairchild Semiconductor Corporation
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FAN5078D3 • Rev. 1.0.0
www.fairchildsemi.com
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