ltc3890 Linear Technology Corporation, ltc3890 Datasheet - Page 27

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

APPLICATIONS INFORMATION
f
IN
ITH1
V
SENSE1
SENSE1
FREQ
PHASMD
CLKOUT
PLLIN/MODE
RUN1
RUN2
SGND
SENSE2
SENSE2
V
ITH2
TRACK/SS2
Figure 11. Recommended Printed Circuit Layout Diagram
FB1
FB2
+
–
LTC3890
–
+
TRACK/SS1
PGOOD2
PGOOD1
BOOST1
BOOST2
EXTV
INTV
PGND
SW1
SW2
ILIM
BG1
BG2
TG1
TG2
V
CC
CC
IN
R
PGOOD2
PU2
C
C
V
C
B2
B1
PULL-UP
INTVCC
R
PGOOD1
PU1
C
CERAMIC
VIN
V
R
V
M1
M3
IN
IN
PULL-UP
1μF
CERAMIC
+
M2
M4
1μF
L1
C
L2
IN
R
R
SENSE
SENSE
C
C
D1
OUT1
OUT2
D2
3890 F11
+
+
LTC3890
V
GND
V
OUT1
OUT2
27
3890f