Datasheet

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