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): 7/15頁
文件大?。?/td> 424K
代理商: FAN5071
FAN5071
7
REV. 1.0.4 1/29/02
Typical Operating Characteristics
(continued)
Application Circuit
Figure 1. Application Circuit for VRM8.5 Motherboards
(Worst Case Analyzed! See Appendix for Details)
Output Startup, System Power-up
Time (10ms/division)
V
C
V
I
V
C
Time (20ms/div)
Output Startup from Enable
9
10
11
12
1
2
3
4
5
6
7
8
13
14
15
16
24
23
22
21
20
19
18
17
+5V
L1
(Optional)
C
IN
Q1
C2
C1
VID3
VID2
VID1
VID0
VID4
3.3V IN
TYPEDET
ENABLE/SS
1.2V
2.5V
3.3/1.5V
(AGP)
Q2
Q4
Q5
Q3
D1
L2
C
OUT
VO
R6
R7
R5
R2
R3
R8
12
C8
C9
C7
C4
C3
PWRGD
VCC
+12V
C5
C6
R4
R1
U1
FAN5071
Adjustable with an external divider.
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