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LTC2909CDDB-2.5 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC2909CDDB-2.5
Description  Precision Triple/Dual Input UV, OV and Negative Voltage Monitor
Download  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2909CDDB-2.5 Datasheet(HTML) 5 Page - Linear Technology

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LTC2909
5
2909fa
Shunt Regulation Voltage
vs Temperature
⎯R⎯S⎯T Output Voltage vs VCC
⎯R⎯S⎯T Pull-Down Current vs VCC
⎯R⎯S⎯T VOL vs I⎯R⎯S⎯T
ISEL vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted
TEMPERATURE (
°C)
–50
6.0
6.4
7.0
0
50
75
2909 G10
6.2
6.8
6.6
–25
25
100
125
ICC = 10mA
ICC = 1mA
ICC = 100µA
⎯R⎯S⎯T Output Voltage vs VCC
Shunt Regulation Voltage
vs Supply Current
SUPPLY CURRENT, ICC (mA)
7.0
6.2
6.8
6.6
6.4
0.01
1
10
100
2909 G11
6.0
0.1
TA = 25°C
SUPPLY VOLTAGE, VCC (V)
0
3
4
5
4
2909 G12
2
1
0
1
2
3
5
LTC2909-2.5
LTC2909-5
LTC2909-3.3
ADJ1 = 0.55
ADJ2 = 0.45
SEL = OPEN
10k PULL-UP R TO VCC
SUPPLY VOLTAGE, VCC (V)
0
0
0.1
0.2
0.3
0.4
0.1
0.2
0.3
0.4
2909 G13
0.5
0.6
0.7
0.8
RST WITH 10k PULL-UP
RST WITH 100k PULL-UP
VCC
SUPPLY VOLTAGE, VCC (V)
0
0
1
2
3
4
5
6
123
4
2909 G14
5
ADJ1 = 0.55
ADJ2 = 0.55
SEL = OPEN
RST AT 150mV
RST AT 50mV
⎯R⎯S⎯T Pull-Down Current vs VCC
SUPPLY VOLTAGE, VCC (V)
0.01
0.1
1
0
0.4
0.6
0.8
0.001
0.0001
0.2
1
2909 G15
RST AT 150mV
RST AT 50mV
ISEL vs Temperature
IRST (mA)
0
0
0.2
0.4
0.6
0.8
1.0
5
10
15
20
1635 G07
25
30
VCC = 3V
NO PULL-UP R
TA = 125°C
TA = –40°C
TA = 25°C
TEMPERATURE (
°C)
–50
–25
–10
–14
–20
0
50
75
2909 G17
–12
–18
–16
25
100
125
SEL = GND
TEMPERATURE (
°C)
–50
–25
10
14
20
0
50
75
2909 G18
12
18
16
25
100
125
SEL = VCC


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