LTC2909 Linear Technology, LTC2909 Datasheet - Page 4

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

LTC2909
TYPICAL PERFOR A CE CHARACTERISTICS
4
1.015
1.010
1.005
1.000
0.995
0.990
0.985
508
506
504
502
500
498
496
494
492
700
600
500
400
300
200
100
0
–50
0.1
–1
ADJ Threshold Voltage
vs Temperature
REF Output Load Regulation
Allowable Glitch Duration
vs Magnitude
V
GLITCH PERCENTAGE PAST THRESHOLD (%)
CC
–25
= 2.5V
–0.5
LOAD CURRENT, I
0
TEMPERATURE (°C)
1
RESET OCCURS
ABOVE CURVE
T
T
T
25
A
A
A
= 125°C
= –40°C
= 25°C
0
50
REF
10
(mA)
75
W
0.5
100
2909 G04
2909 G07
2909 G01
U
125
100
1
10000
1.015
1.005
1.000
0.990
0.985
1.010
0.995
1000
–0.5
–1.5
–1.0
100
1.5
1.0
0.5
10
1
0
–50
0.1
2
V
vs Temperature
External Timeout Period
vs Capacitance
REF Output Line Regulation
I
REF
CC
2.5
–25
= 0A
UVLO Threshold Variation
TMR PIN CAPACITANCE, C
SUPPLY VOLTAGE, V
3
1
0
TEMPERATURE (°C)
3.5
T
T
T
25
A
A
A
= 125°C
= –40°C
= 25°C
10
4
50
4.5
CC
75
TMR
100
(V)
5
(nF)
100
5.5
T
2909 G02
2909 G05
A
2909 G08
= 25°C unless otherwise noted
1000
125
6
0.985
0.015
1.010
1.005
1.000
0.995
0.990
260
240
180
140
220
200
160
60
55
50
45
40
35
30
25
20
–50
–50
–50
REF Output Voltage
vs Temperature
Quiescent Supply Current
vs Temperature
Reset Timeout Period
vs Temperature
ADJ1 = 0.55V
ADJ2 = 0.45V
SEL = OPEN
I
REF
–25
–25
–25
= 0A
www.DataSheet4U.com
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
22nF CAPACITOR
EXTERNAL WITH
50
50
50
V
CC
V
V
CC
= 3.3V
CC
75
75
75
= 2.5V
= 5V
INTERNAL
100
100
100
2909 G03
2909 G09
2909 G06
2909fa
125
125
125