Datasheet

LT3751
23
3751fc
applicaTions inForMaTion
1 2 3 4 5 6
3751 F15
16 15 14 13 12 11
LT3751
V
CC
V
TRANS
POWER
GND
CHARGE ANALOG
GND
R
UVLO2
ANALOG
GND VIAS
7 8 9 10
20 19 18 17
R
OVLO2
R
FAULT
R
DONE
R
UVLO1
R
OVLO1
R
VTRANS
R
DCM
R
BG
R
VOUT
ANALOG GND
V
CC
C
VCC
ANALOG GND
SINGLE
POINT
GND
C
FB
R
FBL
R
FBH3
POWER GND RETURN
R
SENSE
C
VTRANS1
+
C
VTRANS2
C
VTRANS3
+
C
VTRANS4
POWER GND RETURN
•
•
SECONDARY
PRIMARY
T1
1:N
C
VOUT1
C
VOUT2
D
VOUT
+
POWER GND V
OUT
R
FBH2
R
FBH1
M1
REMOVE COPPER FROM ALL SUB-LAYERS (SEE ITEM 4)
Figure 14. QFN Package Recommended Board Layout (Not to Scale)