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LTC2909 Scheda tecnica(PDF) 4 Page - Linear Technology

Il numero della parte LTC2909
Spiegazioni elettronici  Precision Triple/Dual Input UV, OV and Negative Voltage Monitor
PDF  16 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LTC2909 Scheda tecnica(HTML) 4 Page - Linear Technology

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LTC2909
4
2909fb
ADJ Threshold Voltage
vs Temperature
VCC UVLO Threshold Variation
vs Temperature
REF Output Voltage
vs Temperature
REF Output Load Regulation
Quiescent Supply Current
vs Temperature
Allowable Glitch Duration
vs Magnitude
External Timeout Period
vs Capacitance
Reset Timeout Period
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted
TEMPERATURE (
°C)
–50
506
25
2909 G01
500
496
–25
0
50
494
492
508
504
502
498
75
100
125
TEMPERATURE (
°C)
–50
0.5
1.0
1.5
25
75
2909 G02
0
–0.5
–25
0
50
100
125
–1.0
–1.5
TEMPERATURE (
°C)
–50
1.005
1.010
0.015
25
75
2909 G03
1.000
0.995
–25
0
50
100
125
0.990
0.985
IREF = 0A
LOAD CURRENT, IREF (mA)
–1
0.985
0.990
0.995
1.000
1.005
1.010
1.015
VCC = 2.5V
–0.5
0
0.5
1
2909 G04
TA = 125°C
TA = 25°C
TA = –40°C
REF Output Line Regulation
SUPPLY VOLTAGE, VCC (V)
2
0.985
0.990
0.995
1.000
1.005
34
5
6
2909 G05
1.010
1.015
2.5
3.5
4.5
5.5
TA = 125°C
IREF = 0A
TA = 25°C
TA = –40°C
GLITCH PERCENTAGE PAST THRESHOLD (%)
0.1
400
500
600
700
1
10
100
2909 G07
300
200
100
0
RESET OCCURS
ABOVE CURVE
TMR PIN CAPACITANCE, CTMR (nF)
10
100
1000
10000
0.1
10
100
1000
2909 G08
1
1
TEMPERATURE (
°C)
–50
220
240
260
25
75
2909 G09
200
180
–25
0
50
100
125
160
140
INTERNAL
EXTERNAL WITH
22nF CAPACITOR
TEMPERATURE (
°C)
–50
55
25
2909 G06
40
30
–25
0
50
25
20
60
50
45
35
75
100
125
ADJ1 = 0.55V
ADJ2 = 0.45V
SEL = OPEN
VCC = 5V
VCC = 3.3V
VCC = 2.5V



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