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LTC2902 Datasheet(PDF) 4 Page - Linear Integrated Systems

Part No. LTC2902
Description  Programmable Quad Supply Monitor with Adjustable Reset Timer and Supply Tolerance
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Maker  LINEAR [Linear Integrated Systems]
Homepage  http://www.linearsystems.com
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LTC2902 Datasheet(HTML) 4 Page - Linear Integrated Systems

 
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4
LTC2902
2902f
TEST CIRCUITS
TI I G DIAGRA
TYPICAL PERFOR A CE CHARACTERISTICS
V1
V2
V3
V4
2902 F01
LTC2902-1
RST
OR COMPX
ISOURCE
1
µA
V1
V2
V3
V4
2902 F02
LTC2902-1
ISINK
2.5mA,
100
µA
RST
OR COMPX
V1
V2
V3
V4
2902 F03
LTC2902-2
RST
ISOURCE
200
µA
Figure 1. RST, COMPX VOH Test
Figure 2. RST, COMPX VOL Test
Figure 3. Active Pull-Up RST VOH Test
tRST
2902 TD
VRTX
VX
RST
COMPX
tUV
1.5V
VX Monitor Timing
5V Threshold Voltage
vs Temperature
TEMPERATURE (
°C)
–60
4.75
4.70
4.65
4.60
4.55
4.50
4.45
4.40
4.35
4.30
4.25
–20
20
40
2902 G01
–40
0
60
80
100
5%
7.5%
10%
12.5%
TEMPERATURE (
°C)
–60
3.135
3.100
3.065
3.030
2.995
2.960
2.925
2.890
2.855
2.820
2.785
–20
20
40
2902 G02
–40
0
60
80
100
5%
7.5%
10%
12.5%
TEMPERATURE (
°C)
–60
2.850
2.815
2.780
2.745
2.710
2.675
2.640
2.605
2.570
2.535
–20
20
40
2902 G03
–40
0
60
80
100
5%
7.5%
10%
12.5%
3.3V Threshold Voltage
vs Temperature
3V Threshold Voltage
vs Temperature


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