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参数资料
| 型号： | FAN5056V90M |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | SOIC-24 |
| 文件页数： | 2/19页 |
| 文件大小： | 266K |
| 代理商： | FAN5056V90M |
FAN5056V85/FAN5056V90
10
REV. 0.8.0 1/31/01
Pr
eliminar
y
Specication
Table 3. FAN5056 Application Bill of Materials for Intel VRM8.5 Motherboards
(Components based on Worst Case Analysis—See Appendix for Details)
Notes:
1. Inductor L1 is recommended to isolate the 5V input supply from noise generated by the MOSFET switching, and to comply with
Intel dI/dt requirements. L1 may be omitted if desired.
2. For 30A designs using the TO-220 MOSFETs, heatsinks with thermal resistance
Θ
SA < 20°C/W should be used. For designs
using the TO-263 MOSFETs, adequate copper area should be used. For details and a spreadsheet on MOSFET selections,
refer to Applications Bulletins AB-8 and AB-15.
Reference
Manufacturer Part #
Quantity
Description
Requirements/Comments
C1
AVX
TAJB475M010R5
1
4.7F, 10V Capacitor
C2, C5
Panasonic
ECU-V1C105ZFX
2
1F, 16V Capacitor
C3-4,C6
Panasonic
ECU-V1H104ZFX
3
100nF, 50V Capacitor
C7-9
Sanyo
6MV1000FA
3
1000F, 6.3V
Electrolytic
CIN
Rubycon
16ZL1000M
4
1000F, 16V
Electrolytic
IRMS = 2.3A
COUT
Rubycon
6.3ZL1500M
7
1500F, 6.3V
Electrolytic
ESR
≤ 23m
D1
Motorola
MBRD835L
1
8A Schottky Diode
L1
Any
Optional
1.3H, 8A Inductor
DCR ~ 10m
See Note 1.
L2
Any
1
2.5H, 30A Inductor
DCR ~ 1m
Q1
Fairchild
FDP6030L or FDB6030L
1
N-Channel MOSFET
(TO-220 or TO-263)
RDS(ON) = 20m @ VGS = 4.5V
See Note 2.
Q2
Fairchild
FDP7030BL or FDB7030BL
1
N-Channel MOSFET
(TO-220 or TO-263)
RDS(ON) = 10m @ VGS = 4.5V
See Note 2.
Q3-5
Fairchild
NDB4032L
3
N-Channel MOSFET
R1, R6
Any
2
10
R2-3
Any
2
4.7
R4
Any
1
10K
R5
Any
1
5.90K
R7
Any
1
13.0K
R8
Any
1
6.49
R9
Any
1
1K
U1
Fairchild
FAN5056V85M
1
DC/DC Controller
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