參數(shù)資料
型號: LM2675M-12X
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SOIC-8
文件頁數(shù): 26/26頁
文件大?。?/td> 920K
代理商: LM2675M-12X
Test Circuit and Layout Guidelines
01280322
CIN - 22 F, 50V Tantalum, Sprague “199D Series”
COUT - 47 F, 25V Tantalum, Sprague “595D Series”
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 H Sumida #RCR110D-680L
CB - 0.01 F, 50V Ceramic
FIGURE 2. Standard Test Circuits and Layout Guides
Fixed Output Voltage Versions
01280323
CIN - 22 F, 50V Tantalum, Sprague “199D Series”
COUT - 47 F, 25V Tantalum, Sprague “595D Series”
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 H Sumida #RCR110D-680L
R1 - 1.5 k
,1%
CB - 0.01 F, 50V Ceramic
For a 5V output, select R2 to be 4.75 k
,1%
where VREF = 1.21V
Use a 1% resistor for best stability.
FIGURE 3. Standard Test Circuits and Layout Guides
Adjustable Output Voltage Version
LM2675
www.national.com
9
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