Datasheet

LT3741/LT3741-1
7
37411fe
For more information www.linear.com/LT3741
Typical perFormance characTerisTics
Minimum On-Time
Current Regulation Accuracy
CTRL1 = 1.5V, V
IN
= 12V
Current Regulation Accuracy
CTRL1 = 0.75V, V
IN
= 12V
TEMPERATURE (°C)
–50
MINIMUM ON-TIME (ns)
90
120
150
90
3741 G24
60
30
0
–15
20
55
125
HG
LG
OUTPUT VOLTAGE (V)
0
–3
ACCURACY (%)
–2
–1
0
1
2
3
2.5 5.0 7.5
10
3741 G26
25°C
OUTPUT VOLTAGE (V)
0
–6
ACCURACY (%)
–4
–2
0
2
4
6
2.5 5.0 7.5
10
3741 G27
25°C
Overcurrent Threshold
CTRL_H (V)
0
0
V
SENSE
+
– V
SENSE
–
(mV)
20
40
60
80
100
120
0.75 1.5 2.25
3.0
3741 G28
TEMPERATURE (°C)
–50
FREQUENCY (MHz)
0.9
1.2
1.5
90
3741 G36
0.6
0.3
0
–15
20
55
125
1.2MHz
900kHz
220kHz
Oscillator Frequency
I
OUT
(A)
0 2 4 6 8 10 12 14 16 18 20 22 24
V
OUT
(V)
3
4
6
5
3741 G19
2
1
0
26
V
IN
= 20V
V
OUT
= 5V
I
LIMIT
= 24A
V
OUT
vs I
OUT
I
OUT
(A)
0 2 4 6 81 3 5 7 9
V
OUT
(V)
10
15
25
20
3741 G22
5
0
10
V
IN
= 25V
V
OUT
= 20V
I
LIMIT
= 9.5A
V
OUT
vs I
OUT
V
OUT
vs I
OUT
I
OUT
(A)
0 2 4 6 8 10 12 14 16 18
V
OUT
(V)
6
8
12
10
3741 G33
4
2
0
20
V
IN
= 24V
V
OUT
= 10V
I
LIMIT
= 18A