Datasheet

LTC3619B
7
3619bfb
FuncTional DiagraM
–
+
–
+
EA
–
+
V
SLEEP
I
TH
SWITCHING
LOGIC
AND
BLANKING
CIRCUIT
S
R
Q
Q
RS
LATCH
–
+
I
COMP
I
RCMP
ANTI
SHOOT-
THRU
SLOPE
COMP
SLEEP
0.6V REF OSC
OSC
REGULATOR 2
SLEEP1SLEEP2
SHUTDOWN
REGULATOR 1
SW1
3619B FD
10
2
9
RUN1
RUN2
V
FB1
8
PGOOD1
7
V
IN
6
GND
11
RLIM
3
0.6V
MIN
CLAMP
SOFT-START
V
FB1
0.546V
0.654V
+
–
1V
TO REGULATOR 2 ONLY
+
–
+
–
–
–
+
–
+
EA
–
+
V
SLEEP
I
TH
SWITCHING
LOGIC
AND
BLANKING
CIRCUIT
S
R
Q
Q
RS
LATCH
–
+
I
COMP
I
RCMP
ANTI
SHOOT-
THRU
SLOPE
COMP
SLEEP
SHUTDOWN
SW2
1
V
FB2
4
PGOOD2
5
V
IN
6
GND
11
0.6V
MIN
CLAMP
SOFT-START
V
FB2
0.546V
0.654V
+
–
+
–
–
+
I
COMP
–
+
I
COMP