LTC2903 LINER [Linear Technology], LTC2903 Datasheet - Page 6

• Manufacturer Part Number: LTC2903
• Description: Low Voltage Supervisorwith 27 Selectable Thresholds and Watchdog Timer
• Manufacturer: LINER [Linear Technology]

LTC2917/LTC2918
TYPICAL PERFORMANCE CHARACTERISTICS
6
10000
10000
1000
1000
–1.5
–0.5
–1.0
100
100
1.5
1.0
0.5
0.1
10
10
0.001
0.001
0
1
1
–50
Threshold Voltage vs
Temperature
Reset Timeout Period vs RT
Capacitance
Watchdog Timeout Period vs
Capacitance
–25
0.01
0.01
WT PIN CAPACITANCE, C
RT PIN CAPACITANCE, C
0
TEMPERATURE (˚C)
0.1
0.1
25
1
50
1
V
MT25
10
75
RT
WT
(nF)
(nF)
V
10
V
100
MTADJ
100
MT120
29178 G01
29178 G04
29178 G07
1000
125
100
210
150
250
230
190
170
6.4
6.2
6.1
6.3
40
35
30
25
20
–50 –25
–50
–50
Quiescent Supply Current vs
Temperature
Internal Reset Timeout Period vs
Temperature
Shunt Regulation Voltage vs
Temperature
RT = V
SEL1 = 0V
SEL2 = 2.5V
TOL = OPEN
–25
–25
CC
I
I
CC
CC
I
0
CC
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
TEMPERATURE (°C)
= 100μA
= 5mA
= 1mA
V
V
V
25
25
25
CC
CC
CC
= 5.5V
= 2.5V
= 1.5V
50
50
50
75
75
75
100
100
100
29178 G05
29178 G02
29178 G08
125
125
125
300
250
200
150
100
2.0
1.8
1.6
1.4
1.2
1.0
7.0
6.8
6.6
6.4
6.2
6.0
50
0
0.01
–50 –25
0.1
Allowable Glitch Duration vs
Magnitude
Internal Watchdog Timeout
Period vs Temperature
Shunt Regulation Voltage vs
Supply Current
GLITCH PERCENTAGE PAST THRESHOLD (%)
WT = V
CC
SUPPLY CURRENT, I
0.1
0
TEMPERATURE (°C)
1
RESET OCCURS
ABOVE CURVE
25
1
50
CC
10
75
(mA)
10
100
29178 G03
29178 G09
29178 G06
29178f
100
100
125