Datasheet

LT3742
4
3742fa
Typical perForMance characTerisTics
I
Q
-SHDN vs Temperature I
Q
-Running vs Temperature
Controller Current Sense Voltage
vs Temperature
Internal UVLO vs Temperature UVLO Threshold vs Temperature V
FB
vs Temperature
RUN/SS Current vs Temperature UVLO I
HYST
vs Temperature
TEMPERATURE (°C)
–50
10
CURRENT (µA)
20
30
40
50
–25 0 25 50
3742 G01
75 100 125
TEMPERATURE (°C)
–50
7
8
10
25 75
3742 G02
6
5
–25 0
50 100 125
4
3
9
CURRENT (mA)
TEMPERATURE (°C)
–50
50
SENSE VOLTAGE (mV)
55
60
65
70
–25 0 25 50
3742 G03
75 100 125
TEMPERATURE (°C)
–50
1
V
IN
(V)
2
3
4
5
–25 0 25 50
3742 G04
75 100 125
TEMPERATURE (°C)
–50
UVLO (V)
2.0
2.5
3.0
25 75
3742 G05
1.5
1.0
–25 0
50 100 125
0.5
0
TEMPERATURE (°C)
–50
V
FB
(mV)
810
820
830
25 75
3742 G06
800
790
–25 0
50 100 125
780
770
TEMPERATURE (°C)
–25–50
0
RUN/SS CURRENT (µA)
0.6
1.2
1.8
0 25 50 75
3742 G07
100 125
TEMPERATURE (°C)
–50 –25
2.0
I
HYST
(µA)
2.4
3.0
0
50
75
3742 G08
2.2
2.8
2.6
25
100
125