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LM2675M-ADJX 参数 Datasheet PDF下载

LM2675M-ADJX图片预览
型号: LM2675M-ADJX
PDF下载: 下载PDF文件 查看货源
内容描述: [IC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SOIC-8, Switching Regulator or Controller]
分类和应用: 转换器稳压器
文件页数/大小: 26 页 / 914 K
品牌: NSC [ NATIONAL SEMICONDUCTOR ]
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LM2675
Test Circuit and Layout Guidelines
01280322
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
01280323
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 kΩ, 1%
C
B
- 0.01 µF, 50V Ceramic
For a 5V output, select R2 to be 4.75 kΩ, 1%
where V
REF
= 1.21V
Use a 1% resistor for best stability.
FIGURE 3. Standard Test Circuits and Layout Guides
Adjustable Output Voltage Version
9
www.national.com