lt3741 Linear Technology Corporation, lt3741 Datasheet - Page 6

• Manufacturer Part Number: lt3741
• Description: High Power, Constant Current, Constant Voltage, Step-down Controller
• Manufacturer: Linear Technology Corporation

LT3741
Typical perFormance characTerisTics

5.0
4.5
3.5
3.0
6.0
5.6
4.8
4.4
4.0
4.0
5.2
19
17
15
13
11
9
–50
–50
Internal UVLO
0
V
Overvoltage Timeout
CC_INT
10
–15
–15
Load Reg at 12V
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
20
I
LOAD
30
(mA)
25°C
55
55
40
90
90
50
3741 G10
3741 G13
3741 G16
125
125
60
–100
–150
–200
3.00
2.75
2.50
2.25
2.00
1.75
1.50
150
100
–50
50
60
50
40
30
20
10
0
0
1.10
–50
CBOOT-SW UVLO Voltage
Regulated Current vs V
Regulated Sense Voltage
0
–15
1.15
0.5
TEMPERATURE (°C)
1.20
20
V
V
CTRL
FB
1.0
(V)
(V)
1.25
55
FB
1.5
1.30
90
–50°C
130°C
3741 G11
3741 G14
3741 G17
1.35
125
2.0
4.00
3.75
3.50
3.25
3.00
2.75
2.50
1.75
1.65
1.55
1.45
1.35
1.25
2.5
2.0
0.5
1.5
1.0
–50
0
–50
–50
V
Overvoltage Threshold
Common Mode Lockout
CC_INT
MEASURED V
–25
–15
–15
UVLO
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
IN
V
20
IN
– V
20
25
= 36V
OUT
V
IN
50
55
= 6V
55
75
90
90
100
3741 G12
3741 G15
3741 G18
3741f
125
125
125