參數(shù)資料
型號: LM2674-3.3MWC
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
封裝: WAFER
文件頁數(shù): 15/31頁
文件大?。?/td> 596K
代理商: LM2674-3.3MWC
Application Information
TYPICAL SURFACE MOUNT PC BOARD LAYOUT,
FIXED OUTPUT (4X SIZE)
10004136
CIN - 15 F, 25V, Solid Tantalum Sprague, “594D series”
COUT - 68 F, 10V, Solid Tantalum Sprague, “594D series”
D1 - 1A, 40V Schottky Rectifier, Surface Mount
L1 - 47 H, L13, Coilcraft DO3308
CB - 0.01 F, 50V, Ceramic
TYPICAL SURFACE MOUNT PC BOARD LAYOUT,
ADJUSTABLE OUTPUT (4X SIZE)
10004137
CIN - 15 F, 50V, Solid Tantalum Sprague, “594D series”
COUT - 33 F, 25V, Solid Tantalum Sprague, “594D series”
D1 - 1A, 40V Schottky Rectifier, Surface Mount
L1 - 100 H, L20, Coilcraft DO3316
CB - 0.01 F, 50V, Ceramic
R1 - 1k, 1%
R2 - Use formula in Design Procedure
FIGURE 18. PC Board Layout
LM2674
www.national.com
22
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