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LT3741 Datasheet(PDF) 8 Page - Linear Technology

Part # LT3741
Description  60V Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3741 Datasheet(HTML) 8 Page - Linear Technology

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LT8390
8
8390fa
For more information www.linear.com/LT8390
TYPICAL PERFORMANCE CHARACTERISTICS
V(ISP-ISN) Regulation vs VCTRL
V(ISP-ISN) Regulation vs VISP
V(ISP-ISN) Regulation
vs Temperature
TA = 25°C, unless otherwise noted.
V(ISP-ISN) Regulation vs VFB
FB Regulation vs Temperature
Maximum Current Sense
vs Temperature
FB Overvoltage Threshold
FB Short Threshold
PGOOD Thresholds
VCTRL (V)
0 0.25 0.50 0.75 1 1.25 1.50 1.75 2
0
25
50
75
100
125
8390 G19
VISP (V)
0
94
102
104
100
98
96
106
50
40
60
10
20
8390 G20
30
TEMPERATURE (°C)
–50 –25
94
102
104
100
98
96
106
125
100
150
0
25
8390 G21
75
50
ISP = 60V
ISP = 12V
ISP = 0V
VFB (V)
0.96 0.97
0
80
100
60
40
20
120
1.03
1.02
1.04
0.98 0.99
8390 G22
1.01
1.00
TEMPERATURE (°C)
–50 –25
0.97
1.01
1.02
1.00
0.99
0.98
1.03
125
100
150
0
25
8390 G23
75
50
VIN = 60V
VIN = 12V
VIN = 4V
TEMPERATURE (°C)
–50 –25
30
60
65
55
50
45
40
35
70
125
100
150
0
25
8390 G24
75
50
BOOST
BUCK
RISING
FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0.90
0.95
1.00
1.05
1.10
1.15
1.20
8390 G25
TEMPERATURE (°C)
–50 –25
0.10
0.30
0.35
0.25
0.20
0.15
0.40
125
100
150
0
25
8390 G26
75
50
RISING
FALLING
UPPER RISING
UPPER FALLING
LOWER RISING
LOWER FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
–20
–15
–10
–5
0
5
10
15
20
8390 G27



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