LTC3850-2 Linear Technology, LTC3850-2 Datasheet - Page 26
![no-image](/images/manufacturer_photos/0/3/388/linear_technology_sml.jpg)
LTC3850-2
Manufacturer Part Number
LTC3850-2
Description
2-Phase Synchronous Step-Down Switching Controller
Manufacturer
Linear Technology
Datasheet
1.LTC3850-2.pdf
(36 pages)
- Current page: 26 of 36
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LTC3850-2
APPLICATIONS INFORMATION
26
R
IN
V
IN
C
IN
BOLD LINES INDICATE
HIGH SWITCHING
CURRENT. KEEP LINES
TO A MINIMUM LENGTH.
f
IN
Figure 12. Recommended Printed Circuit Layout Diagram
I
V
SENSE1
SENSE1
PLLLPF
MODE/PLLIN
RUN1
RUN2
SGND
SENSE2
SENSE2
V
I
TK/SS2
TH1
TH2
FB1
FB2
LTC3850-2
+
–
–
+
Figure 13. Branch Current Waveforms
BOOST1
BOOST2
PGOOD
EXTV
TK/SS1
INTV
PGND
SW1
SW2
BG1
BG2
TG1
TG2
V
CC
CC
IN
SW1
SW2
D1
D2
R
PGOOD
PU2
L1
L2
C
C
V
C
B2
B1
PULL-UP
INTVCC
C
VIN
R
R
SENSE1
SENSE2
C
C
CERAMIC
OUT1
OUT2
V
R
M1
M3
IN
IN
1μF
V
V
OUT1
OUT2
CERAMIC
M2
M4
L1
1μF
C
L2
IN
R
R
SENSE
SENSE
C
C
D1
OUT1
OUT2
D2
38502 F12
38502 F13
R
R
L1
L2
V
GND
V
OUT1
OUT2
38502f
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