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LTC2900-1CMS Datasheet Download

Part No.:
LTC2900-1CMS
Download:
Download Datasheet
Description:
[Programmable Quad Supply Monitor with Adjustable Reset Timer]
File Size:
200 K
Page:
16 Pages
Logo:
Manufacturer:
LINER [ LINEAR TECHNOLOGY ]
PCB Prototype
 LTC2900-1CMS Datasheet Page:1LTC2900-1CMS Datasheet Page:2LTC2900-1CMS Datasheet Page:3LTC2900-1CMS Datasheet Page:4LTC2900-1CMS Datasheet Page:6LTC2900-1CMS Datasheet Page:7LTC2900-1CMS Datasheet Page:8LTC2900-1CMS Datasheet Page:9 
LTC2900
TYPICAL PERFOR A CE CHARACTERISTICS
ADJ Threshold Voltage
vs Temperature
0.508
THRESHOLD VOLTAGE, V
RTAN
(V)
THRESHOLD VOLTAGE, V
RTA
(V)
0.506
0.504
0.502
0.500
0.498
0.496
0.494
0.492
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80
0.018
0.012
0.006
0
–0.006
–0.012
–0.018
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
V
REF
(V)
I
V1
vs Temperature
100
V1 = 5V
90 V2 = 3.3V
V3 = 2.5V
80
V4 = 1.8V
70
I
V1
(µA)
I
V2
(µA)
50
40
30
20
10
0
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80
100
1.0
0.9
0.8
0.7
0.6
0.5
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80
100
I
V3
(µA)
60
I
V4
vs Temperature
1.0
TYPICAL TRANSIENT DURATION (µs)
TYPICAL TRANSIENT DURATION (µs)
V1 = 5V
0.9 V2 = 3.3V
V3 = 2.5V
0.8
V4 = 1.8V
0.7
I
V4
(µA)
0.6
0.5
0.4
0.3
0.2
0.1
0
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80
100
U W
2900 G09
2900 G12
– ADJ Threshold Voltage
vs Temperature
1.228
1.222
1.216
1.210
1.204
1.198
V
REF
vs Temperature
100
80
100
1.192
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80
100
2900 G07
2900 G08
2900 G21
I
V2
vs Temperature
1.5
V1 = 5V
1.4 V2 = 3.3V
V3 = 2.5V
1.3
V4 = 1.8V
1.2
1.1
1.1
I
V3
vs Temperature
V1 = 5V
1.0 V2 = 3.3V
V3 = 2.5V
0.9
V4 = 1.8V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
– 60 –40 – 20 0 20 40 60
TEMPERATURE (°C)
80
100
2900 G10
2900 G11
Typical Transient Duration
vs Comparator Overdrive (V1, V2)
450
400
350
300
250
200
150
100
50
0
0.1
1
10
100
RESET COMPARATOR OVERDRIVE VOLTAGE (% OF V
RTX
)
2900 G13
Typical Transient Duration
vs Comparator Overdrive (V3, V4)
220
200
180
160
140
120
100
80
60
40
20
0
1
10
100
0.1
RESET COMPARATOR OVERDRIVE VOLTAGE (% OF V
RTX
)
2900 G20
T
A
= 25°C
T
A
= 25°C
RESET OCCURS
ABOVE CURVE
RESET OCCURS
ABOVE CURVE
2900f
5