參數(shù)資料
型號: MIC2017
廠商: Micrel Semiconductor,Inc.
元件分類: 熱切換/電源分布
英文描述: Adjustable Current Limit Power Distribution Switch
中文描述: 可調(diào)的限流配電開關(guān)
文件頁數(shù): 6/17頁
文件大?。?/td> 748K
代理商: MIC2017
Micrel
MIC2007/MIC2017
October 2005
14
M9999-102805
Figure 4. IOUT in Current Limiting for VIN - VOUT ≤1V
Figure 5. IOUT in Current Limiting for VIN - VOUT >1V
This folding back of ILIMIT can be generalized by plotting
ILIMIT as a function of VOUT, as shown below. The slope
of VOUT between IOUT = 0 and IOUT = ILIMIT (where ILIMIT =
1) is determined by RON of MIC2007/2017 and ILIMIT.
0
0.2
0.4
0.6
0.8
1.0
1.2
01
23
456
NORMALIZED
OUTPU
T
C
URREN
T
(A)
OUTPUT VOLTAGE (V)
Normalized Output Current
vs. Output Voltage (5V)
Figure 6.
0
0.2
0.4
0.6
0.8
1.0
1.2
0
0.5 1.0 1.5 2.0 2.5 3.0
NORMALIZED
OU
TPUT
CUR
RENT
(A)
OUTPUT VOLTAGE (V)
Normalized Output Current
vs. Output Voltage (2.5V)
Figure 7.
CSLEW
The CSLEW input is provided to increase control of the
output voltage ramp at turn-on. This input allows
designers the option of decreasing the output’s slew rate
(slowing the voltage rise) by adding an external
capacitance between the pin, CSLEW, and VIN. This
capacitance slows the rate at which the pass FET gate
voltage increases and thus, slows both the response to
an Enable command as well as VOUT’s ascent to its final
value.
Figure 8 illustrates effect of CSLEW on turn-ON delay and
output rise time.
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