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LT8697 Datasheet(PDF) 6 Page - Linear Dimensions Semiconductor

Part No. LT8697
Description  USB 5V 2.5A Output, 42V Input Synchronous Buck with Cable Drop Compensation
Download  28 Pages
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Maker  LINEAR_DIMENSIONS [Linear Dimensions Semiconductor]
Homepage  http://www.lineardimensions.com
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LT8697 Datasheet(HTML) 6 Page - Linear Dimensions Semiconductor

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LT8697
6
8697p
For more information www.linear.com/LT8697
Typical perForMance characTerisTics
Switch Drop vs Temperature
TA = 25°C, unless otherwise noted.
Dropout Voltage vs ILOAD
Switching Frequency
vs Temperature
Switching Frequency vs ILOAD
Switching Frequency vs VSYS
Switch Drop vs ISW
Minimum On-Time
vs Temperature
Minimum Off-Time
vs Temperature
Minimum Off-Time
vs Temperature
TEMPERATURE (°C)
–55
0
150
250
50
100
200
5
8697 G16
155
–25
35
65
95
125
TOP SW
BOTTOM SW
SWITCH CURRENT = 1A
SWITCH CURRENT (A)
0
0
150
350
50
100
300
250
200
1
8697 G17
2.5
0.5
1.5
2
BOTTOM SW
TOP SW
LOAD CURRENT (A)
0
0
600
100
200
300
400
500
1
8697 G21
2.5
0.5
1.5
2
DCRL = 20mΩ
RSENSE = 18m
LOAD CURRENT (A)
0.0001
1900
2100
2050
1950
2000
0.01
8697 G23
10
0.001
0.1
1
RT = 16.5k
VSYS (V)
0
0
2500
2000
1500
500
1000
2
8697 G24
5
1
3
4
RT = 16.5k
TEMPERATURE (°C)
–55
70
80
100
35
95
8697 G18
60
50
–25
5
65
125
155
40
30
90
ILOAD = 0A
ILOAD = 0.9A
ILOAD = 2.1A
TEMPERATURE (°C)
–55
75
80
90
95
100
65
120
8697 G19
85
5
–25
95
125
35
155
105
110
115
ILOAD = 0A
ILOAD = 0.9A
ILOAD = 2.1A
RT = 30.1k
SYNC = 3V
TEMPERATURE (°C)
–55
95
35
8697 G20
80
70
–25
5
65
65
60
100
90
85
75
95
125 155
ILOAD = 0A
ILOAD = 0.9A
ILOAD = 2.1A
RT = 30.1k
SYNC = 1.2MHz
TEMPERATURE (°C)
–55
1.80
1.95
2.20
1.85
1.90
2.15
2.05
2.10
2.00
5
8697 G22
155
–25
35
65
95
125
RT = 16.5k


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