Datasheet

LT3791-1
5
37911f
Typical perForMance characTerisTics
INTV
CC
Load Regulation V
REF
Voltage vs Temperature V
REF
Load Regulation
INTV
CC
Dropout Voltage
vs Current, Temperature INTV
CC
Voltage vs Temperature
T
A
= 25°C, unless otherwise noted.
INTV
CC
Current Limit
vs Temperature
LDO CURRENT (mA)
0
V
IN
-V
INTVCC
(V)
1.0
1.5
40
37911 G01
0.5
0
10
20
30
2.5
2.0
T
A
= 150°C
T
A
= 25°C
T
A
= –50°C
TEMPERATURE (°C)
–50
INTV
CC
(V)
5.00
5.10
150
37911 G02
4.90
4.80
0
50
100
–25
25
75
125
5.20
4.95
5.05
4.85
5.15
V
IN
= 60V
V
IN
= 12V
TEMPERATURE (°C)
–50
0
INTV
CC
CURRENT LIMIT (mA)
10
30
40
50
70
0
50
75
37911 G03
20
80
90
60
–25 25
100
125
150
I
LOAD
(mA)
0
INTV
CC
(V)
5.75
30
37911 G04
5.00
4.50
10 20 40
4.25
4.00
6.00
5.50
5.25
4.75
50 60 70
TEMPERATURE (°C)
–50
V
REF
(V)
2.00
2.02
150
37911 G05
1.98
1.96
0
50
100
–25
25
75
125
2.04
1.99
2.01
1.97
2.03
V
IN
= 60V
V
IN
= 12V
V
IN
= 4.7V
I
REF
(µA)
0
V
REF
(V)
2.00
2.10
400
37911 G06
1.90
1.80
100
200
300
50
150
250
350
2.20
1.95
2.05
1.85
2.15
V
(ISP-ISN)
Threshold vs V
CTRL
V
(ISP-ISN)
Threshold vs V
ISP
V
(ISP-ISN)
Threshold
vs Temperature
V
CTRL
(V)
0
V
(ISP-ISN)
(mV)
30
90
100
110
0.4 0.6
1.0 1.2
1.4
37911 G07
10
70
50
20
80
0
60
40
0.2
0.8
1.81.6
2.0
V
ISP
(V)
0
V
(ISP-ISN)
(mV)
98
100
102
30
50
37911 G08
96
94
92
10 20 40
104
106
108
60
TEMPERATURE (°C)
–50
V
(ISP-ISN)
(mV)
100
104
150
37911 G09
96
92
0
50
100
–25
25
75
125
108
V
IN
= 12V
98
102
94
106
V
ISP
= 60V
V
ISP
= 12V
V
ISP
= 0V