LTC2909 Linear Technology, LTC2909 Datasheet - Page 7

• Manufacturer Part Number: LTC2909
• Description: OV and Negative Voltage Monitor
• Manufacturer: Linear Technology

BLOCK DIAGRA
TI I G DIAGRA S
W
U
V
V
RST
RST
RST
V
ADJ
ADJ
CC
V
CC(UVLO)
V
V
RT
RT
1V
1V
1V
Normal Negative Polarity Input Timing
Normal Positive Polarity Input Timing
ADJ1
ADJ2
REF
V
t
t
t
PROP
PROP
UV
CC
Normal UVLO Timing
+
–
W
W
500mV
+
–
+
–
+
–
CONTROL 2
t
t
t
RST
RST
RST
+
–
THREE-STATE
DECODE
SEL
CONTROL 1
+
–
1.000V
V
V
RST
RST
RST
V
ADJ
ADJ
CC
V
t
t
CC(UVLO)
OPEN
PROP
PROP
GND
SEL
V
t
ADJUSTABLE
UV
GENERATOR
GENERATOR
CC
V
Comparator Mode Negative Polarity Input Timing
V
Comparator Mode Positive Polarity Input Timing
PULSE
200ms
PULSE
RT
RT
1V
1V
1V
V
CONTROL 1
CC
6.5V
V
CC
Comparator Mode UVLO Timing
H
L
L
CONTROL 2
THREE-STATE
V
V
V
RT
DECODE
RT
CC(UVLO)
t
t
t
H
H
L
PROP
PROP
UV
www.DataSheet4U.com
TMR
GND
RST
2909 BD
LTC2909
2909 TD
2909fa
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