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參數(shù)資料
| 型號： | FAN5071 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms |
| 中文描述： | 高性能可編程同步DC - DC控制器的多電壓平臺 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大小： | 424K |
| 代理商： | FAN5071 |
FAN5071
8
REV. 1.0.4 1/29/02
Table 3. FAN5071 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
< 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.
Test Parameters
Reference
C1
Manufacturer Part #
AVX
TAJB475M010R5
Panasonic
ECU-V1C105ZFX
Panasonic
ECU-V1H104ZFX
Sanyo
6MV1000FA
Rubycon
16ZL1000M
Rubycon
6.3ZL1500M
Motorola
MBRD835L
Any
Quantity
1
Description
4.7μF, 10V Capacitor
Requirements/Comments
C2, C5
2
1μF, 16V Capacitor
C3-4,C6
3
100nF, 50V Capacitor
C7-9
3
1000μF, 6.3V
Electrolytic
1000μF, 16V
Electrolytic
1500μF, 6.3V
Electrolytic
8A Schottky Diode
C
IN
4
I
RMS
= 2.3A
C
OUT
8
ESR
≤
23m
D1
1
L1
Optional
1.3μH, 10A Inductor
DCR ~ 6m
See Note 1.
DCR ~ 1m
L2
Coiltronics
HC2-1R0
Fairchild
FDD6690A
Fairchild
FDD6680A
Fairchild
NDB4032L
Any
Any
Any
Any
Any
Fairchild
FAN5071M
1
1.0μH, 34A Inductor
Q1
2
N-Channel MOSFET
R
DS(ON)
= 17m
@ V
GS
= 4.5V
See Note 2.
R
DS(ON)
= 13m
@ V
GS
= 4.5V
See Note 2.
Q2
2
N-Channel MOSFET
Q3-5
3
N-Channel MOSFET
R1
1
3
6
1
1
1
10
4.7
10K
27.4K
8.66K
DC/DC Controller
R2-3, R6
R4, R8-12
R5
R7
U1
Figure 2. Output Drive Timing Diagram
t
R
90%
t
DT
t
DT
t
F
HIDRV
LODRV
2V
2V
2V
90%
10%
10%
2V
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| FAN5071AB WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5071M | 功能描述:DC/DC 開關控制器 DC/DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| FAN5071MX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| FAN5077MPX | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5078 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:DDR/ACPI Regulator Combo |
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