Datasheet

LT8619/LT8619-5
11
Rev A
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BLOCK DIAGRAM
–
+
LOGIC
R
C
V
C
I
SS
SW
GND
FB/OUT
0.74V
NPG
–
+
OV
OV
OV
0.86V
8619 BD
0.83V
PG
SYNC
RT
EN/UV
R3
OPT
1V
ENABLE
V
OUT
= 5V
C
B
C
INTVCC
C
IN
C
OUT
C
SS
C
C
C1
V
OUT
R1
R4
OPT
R
T
R2
L
BST
BIAS
INTV
CC
INTV
CC
3.3V
LDO
V
IN
0.8V V
REF
+ –
+
EA
SLOPE
COMP
BURST
DETECT
OSC
0.3MHz–2.2MHz
GLITCH
FILTER
–
+
S
R
ICMP
V
IN
V
IN
Q
CLK
–
+
PPG
–
+
UVLO
PG
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