LTC1696 Datasheet, PDF (4/12 Pages) Linear Technology – Overvoltage Protection Controller

LTC1696
TYPICAL PERFOR A CE CHARACTERISTICS
Standby Supply Current
vs Supply Voltage
200 _{TA = 25°C}
180
160
140
120
100
80
60
40
20
0
0 5 10 15 20
SUPPLY VOLTAGE (V)
25 30
1696 G01
Active Supply Current
vs Temperature
1.20
V_CC = 12V
C_OUT = 1000pF
1.15
1.10
1.05
1.00
0.95
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1696 G04
TIMER Threshold Voltage
vs Supply Voltage
1.200
T_A = 25°C
1.195
1.190
1.185
1.180
1.175
1.170
1.165
1.160
0
5 10 15 20 25 30
SUPPLY VOLTAGE (V)
1696 G07
Standby Supply Current
vs Temperature
200
V_CC = 12V
190
180
170
160
150
140
130
120
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1696 G02
FB1, FB2 Feedback Threshold
Voltage vs Supply Voltage
0.8814
T_A = 25°C
0.8811
0.8808
0.8805
0.8802
0.8799
0.8796
0 3 6 9 12 15 18 21 24 27 30
SUPPLY VOLTAGE (V)
1696 G05
TIMER Threshold Voltage
vs Temperature
1.24
V_CC = 12V
1.22
1.20
1.18
1.16
1.14
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1696 G08
Active Supply Current
vs Supply Voltage
1.4
T_A = 25°C
1.2 ^{COUT = 1000pF}
1.0
0.8
0.6
0.4
0.2
0
0
5
10 15 20 25 30
SUPPLY VOLTAGE (V)
1696 G03
FB1, FB2 Feedback Threshold
Voltage vs Temperature
0.90
V_CC = 12V
0.89
0.88
0.87
0.86
0.85
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1696 G06
TIMER Current vs Supply Voltage
20
T_A = 25°C
18
FB1 AND FB2 OVERDRIVE = 200mV
16
14
FB1 OR FB2 OVERDRIVE = 200mV
12
10
8
0 5 10 15 20 25 30
SUPPLY VOLTAGE (V)
1696 G09
4