LT3799
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
Start-Up Voltage
vs Temperature
24.0
V
IN
I
Q
vs Temperature
140
120
Input Voltage Hysteresis
vs Temperature
12.0
23.5
INPUT VOLTAGE (V)
100
I
Q
(µA)
80
60
40
20
V
IN
= 24V
V
IN
= 12V
HYSTERESIS VOLTAGE (V)
11.6
11.2
23.0
10.8
22.5
10.4
22.0
–50
–25
50
25
0
75
TEMPERATURE (°C)
100
125
3799 G01
0
–50
–25
50
25
0
75
TEMPERATURE (°C)
100
125
3799 G02
10.0
–50
–25
50
25
0
75
TEMPERATURE (°C)
100
125
3799 G03
V
REF
vs Temperature
2.100
2.075
2.050
V
REF
(V)
V
REF
(V)
2.025
2.000
1.975
1.950
1.925
1.900
–50
–25
50
25
0
75
TEMPERATURE (°C)
100
125
3799 G05
2.100
2.075
2.050
2.025
2.000
1.975
1.950
1.925
1.900
V
REF
vs V
IN
120
100
THRESHOLD (mV)
80
60
40
20
SENSE Pin Threshold Current
vs Temperature
MAX I
LIM
NO LOAD
200µA LOAD
NO LOAD
200µA LOAD
MIN I
LIM
14
16
18
20
22 24
V
IN
(V)
26
28
30
32
3799 G05
0
–50
–25
50
25
0
75
TEMPERATURE (°C)
100
125
3799 G06
Maximum Oscillator Frequency
vs Temperature
375
350
FREQUENCY (kHz)
FREQUENCY (kHz)
125
3799 G07
Minimum Oscillator Frequency
vs Temperature
70
60
50
40
30
20
10
–50
325
300
275
250
225
–50
–25
50
25
0
75
TEMPERATURE (°C)
100
–25
50
25
0
75
TEMPERATURE (°C)
100
125
3799 G08
3799p
4
LINER [ LINEAR TECHNOLOGY ]
