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LT8697 Datasheet(PDF) 7 Page - Analog Devices

Part # LT8697
Description  5V 3A Output, 42V Input USB Charger with Cable Drop Compensation and Dataline Protection
PDF  40 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8697 Datasheet(HTML) 7 Page - Analog Devices

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LT8698S/LT8698S-1
7
Rev. A
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
VBUS vs Temperature
VBUS vs VIN
VBUS vs IBUS
TA = 25°C, VIN = 12V unless otherwise noted.
Output Current Load Line
Sense Voltage (VISP – VISN)
vs Temperature
RCBL Voltage vs Load
Efficiency at TA = 25°C
Efficiency at TA = 90°C
No Load Input Current vs VIN
RCBL=2k, RSEN=10mΩ
RCBL=2.55k, RSEN=10mΩ
RCBL=OPEN, RSEN=10mΩ
RCBL=2.55k, RSEN=8mΩ
IBUS (A)
0
0.5
1
1.5
2
2.5
3
3.5
4.00
4.25
4.50
4.75
5.00
5.25
5.50
5.75
6.00
6.25
6.50
Output Current Load Line
8698S G04
EFFICIENCY
POWER LOSS
L = XAL5030–222, RSEN = 8mΩ
VIN = 8V
VIN = 12V
VIN = 16V
VIN = 20V
LOAD CURRENT (A)
0
0.5
1
1.5
2
2.5
3
50
55
60
65
70
75
80
85
90
95
100
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
Efficiency at TA = 25°C
8698S G07
EFFICIENCY
POWER LOSS
L = XAL5030–222, RSEN = 8mΩ
VIN = 8V
VIN = 12V
VIN = 16V
VIN = 20V
LOAD CURRENT (A)
0
0.5
1
1.5
2
2.5
3
50
55
60
65
70
75
80
85
90
95
100
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
Efficiency at TA = 90°C
8698S G08
ILOAD = 2.4A
RSEN = 10mΩ
RCBL = 2.8k
RCDC = 2k
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
5.740
5.745
5.750
5.755
5.760
5.765
5.770
5.775
5.780
VBUS vs Temperature
8698S G01
RSEN = 10mΩ
RCBL = 2.8k
RCDC = 2k
IBUS = 0A
IBUS = 1A
IBUS = 2.4A
VIN (V)
4
10
50
4.50
4.75
5.00
5.25
5.50
5.75
6.00
VBUS vs VIN
8698S G02
RSEN = 10mΩ
RCBL = 2.8k
RCDC = 2k
IBUS (A)
0
0.5
1
1.5
2
2.5
4.8
5.0
5.2
5.4
5.6
5.8
VBUS vs IBUS
8698S G03
VBUS = 4.5V
VBUS = 0V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
25.0
25.5
26.0
26.5
27.0
27.5
28.0
28.5
29.0
vs Temperature
Sense Voltage (VISP – VISN)
8698S G05
RSEN = 10mΩ
RCBL = 2.8k
RCDC = 2k
IBUS (A)
0
0.5
1
1.5
2
2.5
0
0.2
0.4
0.6
0.8
1.0
1.2
VRCBL vs IBUS
8698S G06
SYNC/MODE = FLOAT
SYNC/MODE = GND
VIN (V)
0
5
10 15 20 25 30 35 40 45
0
4
8
12
16
20
24
28
32
36
No Low Input Current vs VIN
8698S G09



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