參數(shù)資料
型號(hào)： L6997
廠商： 意法半導(dǎo)體
英文描述： STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
中文描述： 降壓控制器低電壓運(yùn)作
文件頁(yè)數(shù)： 19/23頁(yè)
文件大?。?/td> 291K
代理商： L6997
19/23
L6997
3.9 Soft start capacitor
Considering the soft start equations:
C
SS
= 150pF
The equations are valid without load. When an active load is present the equations result more complex; further
some active loads have unexpected effect, as higher current than the expected one during the soft start, can
change the start up time.
In this case the capacitor value can be selected on the application; anyway the Eq11 gives an idea about the
C
SS
value.
3.10Sink mode
Figure 13. Efficiency vs output current
0,0
10,0
20,0
30,0
40,0
50,0
60,0
70,0
80,0
90,0
100,0
0,0
1,0
2,0
3,0
4,0
5,0
Current [A]
Eff [%]
相關(guān)PDF資料
PDF描述
L6997D STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
L6997DTR STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6997-28 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT
L6997-5 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT; Accessory Type:Tuning Element; For Use With:High Quality Variable Reactance Tuning Microwave Cavities, Filters & other Resonant Structures
L6997-9 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT
L6997D 功能描述:DC/DC 開關(guān)控制器 Adjustable Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)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(fēng)格: 封裝 / 箱體:CPAK
L6997DTR 功能描述:DC/DC 開關(guān)控制器 Adjustable Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)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(fēng)格: 封裝 / 箱體:CPAK
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