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| LTC3784_15 Datasheet, PDF (28/38 Pages) Linear Technology – 60V PolyPhase Synchronous Boost Controller | |||
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LTC3784
Applications Information
SENSE1â
SENSE1+
ILIM
PGOOD
SW1
TG1
LTC3784
PHSMD
BOOST1
CLKOUT
FREQ
BG1
fIN
PLLIN/MODE
OVMODE
SGND
RUN
VFB
VBIAS
PGND
EXTVCC
INTVCC
ITH
BG2
SS
SENSE2+
SENSE2â
BOOST2
TG2
SW2
VPULL-UP
CB1
L1
RSENSE1
M1
+
M2
GND
VIN
CB2
M3
+
M4
VOUT
L2 RSENSE2
3784 F08
Figure 8. Recommended Printed Circuit Layout Diagram
VIN
RIN
CIN
RSENSE1
L1
SW1
SW2
BOLD LINES INDICATE
HIGH SWITCHING
CURRENT. KEEP LINES
TO A MINIMUM LENGTH.
RSENSE2
L2
SW4
SW3
VOUT
COUT
3784 F09
28
Figure 9. Branch Current Waveforms
For more information www.linear.com/LTC3784
RL
3784fb
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