參數(shù)資料
型號: IRDCIP2002-C
廠商: International Rectifier
英文描述: 1MHz, 120A, 4-phase Synchronous Buck Converter using iP2002
中文描述: 1MHz的,120A條,4相同步降壓轉(zhuǎn)換器使用iP2002
文件頁數(shù): 4/7頁
文件大小: 1681K
代理商: IRDCIP2002-C
www.irf.com
4
IRDCiP2002-C
Fig. 10: R
ISEN
vs. Current (per Phase)
Adjusting the Over-Current Limit
R5, R7, R8 & R9 are the resistors used to adjust the over-current trip point. The trip point is a function of the controller and
corresponds to the per phase output current indicated on the x-axis of Fig. 10. For example, selecting 2.7k resistors will
set the trip point of each phase to 49.5A. (Note: Fig. 10 is based on iP2002 T
BLK
= 125°C. The trip point will be higher than
expected if the reference board is cool and is being used for short circuit testing.)
Fig. 11: R4 vs. Frequency (per Phase)
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
32
34
36
38
40
42
44
46
48
50
Over-Current Trip Point (per Phase)
R
I
)
10
20
30
40
50
60
70
80
90
100
300
400
500
600
700
800
900
1000
Output Frequency (kHz) (per Phase)
R
:
)
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