Datasheet

LTC2909
7
2909fb
BLOCK DIAGRA
W
–
+
–
+
–
+
ADJUSTABLE
PULSE
GENERATOR
THREE-STATE
DECODE
THREE-STATE
DECODE
TMR
RST
GND
2909 BD
200ms
PULSE
GENERATOR
–
+
SEL
CONTROL 1CONTROL 2
ADJ1
ADJ2
REF
V
CC
V
CC
6.5V
+
–
V
CC
500mV
+
–
1.000V
SEL
GND
OPEN
V
CC
CONTROL 1
H
L
L
CONTROL 2
H
H
L
TI I G DIAGRA S
WWU
V
ADJ
t
PROP
1V
1V
1V
V
RT
V
RT
V
CC(UVLO)
t
RST
RST
Normal Positive Polarity Input Timing
V
ADJ
t
PROP
1V
V
RT
t
PROP
V
RT
RST
Comparator Mode Positive Polarity Input Timing
V
CC
t
UV
1V
V
CC(UVLO)
t
UV
V
CC(UVLO)
RST
Comparator Mode UVLO Timing
V
ADJ
t
PROP
1V
V
RT
t
PROP
V
RT
RST
Comparator Mode Negative Polarity Input Timing
V
ADJ
t
PROP
t
RST
RST
Normal Negative Polarity Input Timing
V
CC
t
UV
2909 TD
t
RST
RST
Normal UVLO Timing