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參數(shù)資料
| 型號： | L6997STR |
| 廠商： | 意法半導體 |
| 英文描述： | STEP DOWN CONTROLLER FOR LOW VOLTAGE OPERATIONS |
| 中文描述： | 降壓控制器低電壓運作 |
| 文件頁數(shù)： | 22/30頁 |
| 文件大?。?/td> | 515K |
| 代理商： | L6997STR |
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L6997S
22/30
Table 13. Component list
The component list is shared in two sections: the first for the general-purpose component, the second for
power section:
Part name
Value
Dimension
Notes
GENERAL-PURPOSE SECTION
RESISTOR
R1
R2
R3
R4
R5
R6, R7, R11, R12
R8
R9
R10
R13
CAPACITOR
C1
C2
C3
C4
C5
C6
C7
C19
C20
C21
C22
C23
C24
C25
DIODES
D1
N.M.
N.M.
560k
5.6k
47
33k
62k
2.7k
1.3k
220
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
Output resistor divider for the linear regulator.
Input resistor divider (To set switching frequency)
Current limit resistor (To set current limit)
Output resistor divider (To set output voltage)
220nF
47
μ
F
220nF
150pF
47pF
10nF
N.M.
220nF
220nF
47pF
220nF
0805
KEMET-16V
0805
0603
0603
0603
0603
0805
0603
0603
0805
0603
0603
Tantalum
First integrator capacitor
Second integrator capacitor
Softstart capacitor
N.M.
1nF
1
μ
F
BAT54
25V
POWER SECTION
OUTPUT CAPACITORS
C11-C12
2X680
μ
F
T510x687(1)004AS
KEMET
Output capacitor C8, C9, C10 N.M.
INPUT CAPACITORS
C13, C14, C16, C17,
C15 C18
100
μ
F
ECJ5YF0J1072
PANASONIC
ECJ5YF1A4767
PANASONIC
Input capacitor
47
μ
F
INDUCTOR
L1
1.8
μ
H
ETQF6F1R8BFA
PANASONIC
POWER MOS
Q1,Q2
Q5,Q6
INTEGRATED CIRCUIT
U1
SI4442DY
SI4442DY
VISHAY Siliconix
VISHAY Siliconix
Q3 N.M.
Q4 N.M.
L6997S
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L6998-0 | 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT |
| L6998-1 | 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT |
| L6998-5 | 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT |
| L6998-6 | 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT |
| L6999 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:The best light source is supported by the best electrode technology |
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