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LM2674M-3.3 参数 Datasheet PDF下载

LM2674M-3.3图片预览
型号: LM2674M-3.3
PDF下载: 下载PDF文件 查看货源
内容描述: SIMPLE SWITCHER电源转换器高效率500毫安降压型稳压器 [SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator]
分类和应用: 转换器稳压器
文件页数/大小: 26 页 / 942 K
品牌: NSC [ National Semiconductor ]
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Application Information  
TYPICAL SURFACE MOUNT PC BOARD LAYOUT,  
FIXED OUTPUT (4X SIZE)  
10004136  
C
C
- 15 µF, 25V, Solid Tantalum Sprague, “594D series”  
IN  
- 68 µF, 10V, Solid Tantalum Sprague, “594D series”  
OUT  
D1 - 1A, 40V Schottky Rectifier, Surface Mount  
L1 - 47 µH, L13, Coilcraft DO3308  
C
B
- 0.01 µF, 50V, Ceramic  
TYPICAL SURFACE MOUNT PC BOARD LAYOUT,  
ADJUSTABLE OUTPUT (4X SIZE)  
10004137  
C
C
- 15 µF, 50V, Solid Tantalum Sprague, “594D series”  
IN  
- 33 µF, 25V, Solid Tantalum Sprague, “594D series”  
OUT  
D1 - 1A, 40V Schottky Rectifier, Surface Mount  
L1 - 100 µH, L20, Coilcraft DO3316  
C
B
- 0.01 µF, 50V, Ceramic  
R1 - 1k, 1%  
R2 - Use formula in Design Procedure  
FIGURE 18. PC Board Layout  
www.national.com  
22  
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