參數(shù)資料
型號(hào): LTC3672BEDC-1#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-8
文件頁數(shù): 2/12頁
文件大?。?/td> 167K
代理商: LTC3672BEDC-1#PBF
LTC3672B-1
10
3672B1f
PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS
When laying out the printed circuit board, the following
list should be followed to ensure proper operation of the
LTC3672B-1:
1) The Exposed Pad of the package should connect directly
to a large ground plane to minimize thermal and electrical
impedance.
2) The connections from the input supply pins (VINandVIN1)
to their respective decoupling capacitors should be kept as
short as possible. The GND side of these capacitors should
connect directly to the ground plane of the part. The VIN
capacitor provides the AC current to the buck regulator’s
power MOSFETs and their drivers. It is especially important
to minimize PCB trace inductance from this capacitor to
the VIN and GND pins of the LTC3672B-1.
3) The switching power trace connecting the SW pin to
the inductor should be kept as short as possible to reduce
radiated EMI and parasitic coupling.
4) The LDO output capacitors should be placed as close
to the IC as possible, and connect to the LDO outputs and
the GND pin as directly as possible.
APPLICATIONS INFORMATION
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