Datasheet

LTC1647-1/
LTC1647-2/LTC1647-3
9
1647fa
BLOCK DIAGRAMS
3
–
+
50μs
FILTER
–
+
1.21V
50mV
CHANNEL ONE
CHANNEL TWO
(DUPLICATE OF CHANNEL ONE)
10μA
CP
+
–
50μA
2.45V
UVL
CHARGE
PUMP
REFERENCE 1.21V
ON2
1647-1/2/3 BD1
7SENSE2 5 GATE2
4GND
1V
CC
CP
2ON1
8SENSE1
6 GATE1
3
–
+
50μs
FILTER
–
+
1.21V
50mV
CHANNEL ONE
CHANNEL TWO
(DUPLICATE OF CHANNEL ONE)
10μA
CP
+
–
50μA
FAULT
2.45V
UVL
CHARGE
PUMP
REFERENCE 1.21V
ON2/FAULT2
1647-1/2/3 BD2
7SENSE2 5 GATE2
4GND
1V
CC
CP
2ON1/FAULT1
8SENSE1
6 GATE1
LTC1647-1
LTC1647-2