LTC3854 LINER [Linear Technology], LTC3854 Datasheet - Page 8
LTC3854
Manufacturer Part Number
LTC3854
Description
Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC3854.pdf
(28 pages)
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LTC3854
FuncTional DiagraM
SENSE
SENSE
–
+
V
CONVERTER
SENSE
SLOPE COMP
GENERATOR
V TO I
OSCILLATOR
ICS
CLK
+
–
CURRENT
SENSE
COMPARATOR
I
CMP
INTV
UVLO
CC
S Q
R
TG_OFF
ON
ITH
ANTI-SHOOT
THROUGH
CONTROL
DRIVE
AND
V
ITH
SD
ERROR
AMP
0.88V
0.80V
SS
–
+
1.2V
+
+
–
OV
RUN
0.4V
+
–
0.8V
BANDGAP/
LDO
+
–
+
–
LEVEL SHIFT
0.88V
SYNCHRONOUS
SWITCH DRIVER
1.2V
1.25µA
MAIN
SWITCH
DRIVER
3854 FD
V
INTV
BOOST
TG
SW
BG
GND
V
RUN/SS
ITH
IN
FB
CC
3854fa
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