ltc3890-1 Linear Technology Corporation, ltc3890-1 Datasheet - Page 29

• Manufacturer Part Number: ltc3890-1
• Description: 60v Low Iq, Dual, 2-phase Synchronous Step-down Dc/dc Controller
• Manufacturer: Linear Technology Corporation

APPLICATIONS INFORMATION
f
IN
Figure 11. Recommended Printed Circuit Layout Diagram
ITH1
V
SENSE1
SENSE1
FREQ
PLLIN/MODE
RUN1
RUN2
SGND
SENSE2
SENSE2
V
ITH2
TRACK/SS2
FB1
FB2
LTC3890-1
+
–
–
+
TRACK/SS1
PGOOD1
BOOST1
BOOST2
EXTV
INTV
PGND
SW1
SW2
BG1
BG2
TG1
TG2
V
CC
CC
IN
C
C
C
B1
B2
INTVCC
R
PGOOD1
PU1
C
CERAMIC
VIN
V
R
M1
V
M3
IN
IN
PULL-UP
1μF
CERAMIC
+
M2
M4
1μF
L1
C
L2
IN
R
R
LTC3890-1
SENSE
SENSE
C
C
D1
OUT1
OUT2
D2
38901 F11
+
+
V
GND
V
OUT1
OUT2
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38901f