參數(shù)資料
型號: L6997DTR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PDSO20
封裝: MO-153AC, TSSOP-20
文件頁數(shù): 15/30頁
文件大?。?/td> 591K
代理商: L6997DTR
Obsolete
Product(s)
- Obsolete
Product(s)
L6997
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
N.M.
0603
Output resistor divider for the linear regulator.
R2
N.M.
0603
R3
560k
0603
Input resistor divider (To set switching frequency)
R4
5.6k
0603
R5
47
0603
R6, R7, R11, R12
33k
0603
R8
62k
0603
Current limit resistor (To set current limit)
R9
2.7k
0603
Output resistor divider (To set output voltage)
R10
1.3k
0603
R13
220
0603
CAPACITOR
C1
220nF
0805
C2
47F
KEMET-16V
C3
220nF
0805
C4
150pF
0603
First integrator capacitor
C5
47pF
0603
C6
10nF
0603
C7
N.M.
0603
Second integrator capacitor
C19
220nF
0805
C20
220nF
0603
Softstart capacitor
C21
47pF
0603
C22
220nF
0805
C23
0603
N.M.
C24
1nF
0603
C25
1
FTantalum
DIODES
D1
BAT54
25V
POWER SECTION
OUTPUT CAPACITORS
C11-C12
2X680
F
T510x687(1)004AS
KEMET
Output capacitor C8, C9, C10 N.M.
INPUT CAPACITORS
C13, C14, C16, C17,
C15 C18
100
F
ECJ5YF0J1072
PANASONIC
Input capacitor
47
F
ECJ5YF1A4767
PANASONIC
INDUCTOR
L1
1.8
H
ETQF6F1R8BFA
PANASONIC
POWER MOS
Q1,Q2
SI4442DY
VISHAY Siliconix
Q3 N.M.
Q5,Q6
SI4442DY
VISHAY Siliconix
Q4 N.M.
INTEGRATED CIRCUIT
U1
L6997
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相關代理商/技術參數(shù)
參數(shù)描述
L6997S 功能描述:DC/DC 開關控制器 STEP DOWN CONTROLLER Lo Vltg Operations RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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 安裝風格: 封裝 / 箱體:CPAK
L6997STR 功能描述:DC/DC 開關控制器 3.0 to 5.5V Step-Dwn RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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 安裝風格: 封裝 / 箱體:CPAK
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