Datasheet

LTC1696
5
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TIMER Current vs Temperature
TIMER Current
vs Feedback Overdrive
Glitch Filter Timer
vs Feedback Overdrive
Glitch Filter Timer
vs Feedback Overdrive
External Trigger Threshold
Voltage vs Supply Voltage
External Trigger Threshold
Voltage vs Temperature
RESET Threshold Voltage
vs Supply Voltage
TEMPERATURE (°C)
–55
8
TIMER CURRENT (µA)
10
12
14
65 85 105
22
1696 G10
–35 –15 5 25 45 125
16
18
20
V
CC
= 12V
FB1 AND FB2 OVERDRIVE = 200mV
FB1 OR FB2 OVERDRIVE = 200mV
FEEDBACK OVERDRIVE (mV)
0
TIMER CURRENT (µA)
12
16
20
200
1696 G11
8
4
0
50
100
150
250
V
CC
= 12V
T
A
= 25°C
FB1 AND FB2 OVERDRIVE
FB1 OR FB2 OVERDRIVE
FEEDBACK OVERDRIVE (mV)
0
4
TIMER CURRENT (µA)
6
8
10
12
14
16
50 100 150 200
1696 G12
250
V
CC
= 3.3V
T
A
= 25°C
FB1 AND FB2 OVERDRIVE
FB1 OR FB2 OVERDRIVE
FEEDBACK OVERDRIVE (mV)
0
GLITCH FILTER TIMER (µs)
15
20
25
200
1696 G13
10
5
0
50
100
150
250
V
CC
= 3.3V
T
A
= 25°C
FB1 AND FB2 OVERDRIVE
FB1 OR FB2 OVERDRIVE
FEEDBACK OVERDRIVE (mV)
0
0
GLITCH FILTER TIMER (µs)
5
10
15
20
25
30
50 100 150 200
1696 G14
250
V
CC
= 12V
T
A
= 25°C
FB1 AND FB2 OVERDRIVE
FB1 OR FB2 OVERDRIVE
SUPPLY VOLTAGE (V)
0
1.51
1.50
1.49
1.48
1.47
1.46
1.45
1.44
15 25
1696 G15
510
20 30
EXTERNAL TRIGGER TRESHOLD VOLTAGE (V)
T
A
= 25°C
TEMPERATURE (°C)
–55
1.475
EXTERNAL TRIGGER THRESHOLD VOLTAGE (V)
1.480
1.490
1.495
1.500
–15
25
45 125
1696 G16
1.485
–35 5
65
85
105
1.505
V
CC
= 12V
SUPPLY VOLTAGE (V)
0
RESET THRESHOLD VOLTAGE (V)
0.858
0.860
0.862
15
25
1696 G17
0.856
0.854
0.852
510 20
0.864
0.866
0.868
30
T
A
= 25°C
RESET Threshold Voltage
vs Temperature
TEMPERATURE (°C)
–55
RESET TRHESHOLD VOLTAGE (V)
0.860
0.865
0.870
105
1696 G18
0.855
0.850
0.840
–15
25
65
–35 125
5
45
85
0.845
0.880
0.875
V
CC
= 12V
TIMER Current
vs Feedback Overdrive