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LT3663 Datasheet(PDF) 4 Page - Linear Technology

Part # LT3663
Description  1.2A Step-Down Switching Regulator with Output Current Limit
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3663 Datasheet(HTML) 4 Page - Linear Technology

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LT3663
4
3663fc
For more information www.linear.com/LT3663
Minimum Switch On-Time
RUN Pin Current
Output Current Limit
Feedback Voltage
TEMPERATURE (°C)
–50
50
0
100
3663 G04
150
125
25
–25
75
1.20
1.15
1.05
1.10
1.00
0.90
0.95
0.85
0.80
RILIM = 36.5k
TEMPERATURE (°C)
–50
50
0
100
3663 G05
150
125
25
–25
75
0.84
0.82
0.80
0.78
0.76
TEMPERATURE (°C)
–50
50
0
100
3663 G10
150
125
25
–25
75
140
120
100
80
40
60
20
0
RUN PIN VOLTAGE (V)
0
30
10
50
3663 G11
60
20
40
45
40
30
35
25
15
5
20
10
0
TEMPERATURE (°C)
1.6
3663 G02
0.9
1.0
1.1
1.2
1.3
1.4
1.5
–50 –25
0
25
50
75 100
150
125
LT3663-X
LT3663
Switching Frequency
OUTPUT CURRENT (A)
6
5
4
3663 G12
0
1
2
3
0
0.2
0.4
0.6
0.8
1
1.2
1.4
RILIM = 28.7k
Output Current Limit
Typical perForMance characTerisTics T
A = 25°C, unless otherwise noted.
VIN Shutdown Current
VIN Overvoltage Lockout
TEMPERATURE (°C)
–50
50
0
100
3663 G06
150
125
25
–25
75
42
32
33
34
35
36
37
38
39
40
41
RISING
FALLING
VIN VOLTAGE (V)
0
30
10
50
3663 G08
60
20
40
800
700
500
600
400
200
300
100
0
VRUN = 0V
TEMPERATURE (°C)
8.0
7.5
7.0
3663 G03
4.0
4.5
5.0
5.5
6.0
6.5
–50 –25
0
25
50
75 100
150
125
RISING
FALLING
VIN Undervoltage Lockout



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