Datasheet

LTC3822-1
8
38221f
FUNCTIONAL DIAGRAM
–
+
–
+
–
+
–
+
–
+
SLOPE
SENSE
+
CLK
ICMP
R
S
Q
BOOST
REFRESH
TIMEOUT
ANTI-SHOOT-
THROUGH
GND
BOOST
TG
BG
GND
OV
SLEEP
BURSTDIS
UV
0.68V
0.54V
V
FB
V
REF
0.6V
TRK/
SS
I
TH
38221 FD
V
FB
R
C
C
C
SW
L
M1
M2
C
OUT
V
OUT
SWITCHING
LOGIC AND
BLANKING
CIRCUIT
R
A
R
B
SW
FCB
GND
–
+
RICMP
I
REV
t = 1ms
INTERNAL
SOFT-START
RUN
V
IN
V
IN
C
IN
C
B
V
IN
UVSD
V
REF
0.6V
V
IN
0.7µA
1µA
UNDERVOLTAGE
LOCKOUT
VOLTAGE
REFERENCE
SENSE
–
TRACK/SS
SYNC/MODE
PLLLPF
PGOOD
GND
TRK/SS
BURSTDIS
FCB
CLK
OV
UV
UVSD
I
PRG
BOOST
BG
CLK
D
B
–
+
+
EAMP
MUX
V
IN
PHASE
DETECTOR
V
CO
BURST DEFEAT
CLOCK DETECT
+
0.15V
+
0.3V
V
IN