參數(shù)資料
型號: MAX1718BEEI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Notebook CPU Step-Down Controller for Intel Mobile Voltage Positioning IMVP-II
中文描述: SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 0.150 INCH, 0.025 INCH PITCH, MO-137AD, QSOP-28
文件頁數(shù): 33/35頁
文件大小: 700K
代理商: MAX1718BEEI
M
Notebook CPU Step-Down Controller for Intel
Mobile Voltage Positioning (IMVP-II)
______________________________________________________________________________________
33
D1
Q2
V
BATT
GND IN
COUT
VIA TO FB
AND FBS
VIA TO LX
VIA TO SOURCE
OF Q2
VIA TO GND
NEAR Q2 SOURCE
INDUCTOR DISCHARGE PATH HAS LOW DC RESISTANCE
GND
OUT
V
OUT
L1
Q1
CC
V
CC
V
DD
REF
ALL ANALOG GROUNDS
CONNECT TO LOCAL PLANE ONLY
NOTES:
"STAR" GROUND IS USED.
D1 IS DIRECTLY ACROSS Q2.
CONNECT LOCAL ANALOG GROUND PLANE DIRECTLY TO GND FROM
THE SIDE OPPOSITE THE V
CAPACITOR GND TO AVOID V
DD
GROUND
CURRENTS FROM FLOWING IN THE ANALOG GROUND PLANE.
MAX1718
CIN
R6
GND
Figure 19. Power-Stage PC Board Layout Example
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