Datasheet

LTC3446
8
3446ff
block DiagraM
–
+
–
+
–
+
–
+
–
+
–
+
2
14
+
PMOS CURRENT
COMPARATOR
BURST
COMPARATOR
NMOS
OVERCURRENT
COMPARATOR
REVERSE
CURRENT
COMPARATOR
B
BCLAMP
V
IN
SLOPE
COMPENSATION
I
TH
LIMIT
OSCILLATOR
POWER
GOOD
I
TH
PARK
3
4
I
TH
0.8V
V
B
0.4V
VOLTAGE
REFERENCE
ERROR
AMPLIFIER
LOGIC
SW
15
GND
EXPOSED
PAD
6
LV
IN
LV
OUT1
LV
FB1
6µA
V
LDO1
SOFT-START
V
IN
5
10
–
+
LV
OUT2
3446 BD
LV
FB2
6µA
V
LDO2
SOFT-START
V
IN
7
9
PGOOD
13
1
ENBUCK
MODESEL
11
ENLDO1
8
ENLDO2
12
BUCKFB