ltc3858-2 Linear Technology Corporation, ltc3858-2 Datasheet - Page 31

• Manufacturer Part Number: ltc3858-2
• Description: Ltc3858-2 - Low Iq, Dual 2-phase Synchronous Step-down Controller
• Manufacturer: Linear Technology Corporation

APPLICATIONS INFORMATION
f
IN
PHASMD
CLKOUT
PLLIN/MODE
RUN1
RUN2
SGND
I
V
SENSE1
SENSE1
FREQ
SENSE2
SENSE2
V
I
SS2
TH1
TH2
FB1
FB2
Figure 11. Recommended Printed Circuit Layout Diagram
LTC3858-2
+
–
–
+
PGOOD2
PGOOD1
BOOST1
BOOST2
EXTV
INTV
PGND
SW1
SW2
BG1
BG2
SS1
TG1
TG2
V
CC
CC
IN
V
OUT1
R
PGOOD2
PU2
C
C
V
(<6V)
C
B1
B2
PULL-UP
INTVCC
C
VIN
R
PGOOD1
PU1
CERAMIC
V
R
M1
V
(<6V)
M3
IN
IN
PULL-UP
1μF
CERAMIC
M2
M4
1μF
L1
C
L2
IN
R
R
SENSE
LTC3858-2
SENSE
C
C
OUT1
OUT2
D1
D2
38582 F11
V
GND
V
OUT1
OUT2
31
38582f