參數(shù)資料
型號: LM2672M-ADJX
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, SO-8
文件頁數(shù): 26/26頁
文件大?。?/td> 626K
代理商: LM2672M-ADJX
Test Circuit and Layout Guidelines
1293422
C
IN - 22 μF, 50V Tantalum, Sprague “199D Series”
C
OUT - 47 μF, 25V Tantalum, Sprague “595D Series”
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68
μH Sumida #RCR110D-680L
C
B - 0.01 μF, 50V Ceramic
FIGURE 2. Standard Test Circuits and Layout Guides
Fixed Output Voltage Versions
1293423
C
IN - 22 μF, 50V Tantalum, Sprague “199D Series”
C
OUT - 47 μF, 25V Tantalum, Sprague “595D Series”
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68
μH Sumida #RCR110D-680L
R1 - 1.5 k
, 1%
C
B - 0.01 μF, 50V Ceramic
For a 5V output, select R2 to be 4.75 k
, 1%
where V
REF = 1.21V
Use a 1% resistor for best stability.
FIGURE 3. Standard Test Circuits and Layout Guides
Adjustable Output Voltage Versions
9
www.national.com
LM2672
相關(guān)PDF資料
PDF描述
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LM2674-ADJMWC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
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