參數(shù)資料
型號(hào): LT3579IUFD-1#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC20
封裝: 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-20
文件頁(yè)數(shù): 10/40頁(yè)
文件大?。?/td> 503K
代理商: LT3579IUFD-1#TRPBF
LT3579/LT3579-1
18
35791f
applicaTions inForMaTion
Figure 11. Suggested Component Placement for Inverting Topology in FE20 Package.
Note Separate Ground Path for D1’s Cathode
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
GND
CIN
VIN
+
–VOUT
GND
COUT
A
C
B
SYNC
CLKOUT
SHDN
VIAS TO GROUND PLANE REQUIRED TO IMPROVE
THERMAL PERFORMANCE
A– RETURN CIN GROUND DIRECTLY TO LT3579 EXPOSED PAD PIN 21. IT IS ADVISED TO NOT COMBINE CIN GROUND WITH GND EXCEPT AT THE EXPOSED PAD.
B– RETURN COUT GROUND DIRECTLY TO LT3579 EXPOSED PAD PIN 21. IT IS ADVISED TO NOT COMBINE COUT GROUND WITH GND EXCEPT AT THE EXPOSED PAD.
C– RETURN D1 GROUND DIRECTLY TO LT3579 EXPOSED PAD PIN 21. IT IS ADVISED TO NOT COMBINE D1 GROUND WITH GND EXCEPT AT THE EXPOSED PAD.
L1, L2 – MOST COUPLED INDUCTOR MANUFACTURERS USE CROSS PINOUT FOR IMPROVED PERFORMANCE.
35791 F11
C1
D1
L1
L2
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