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LT8636 Folha de dados(PDF) 8 Page - Analog Devices

Nome de Peças LT8636
Descrição Electrónicos  5V 3A Output, 42V Input USB Charger with Cable Drop Compensation and Dataline Protection
PDF  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

LT8636 Folha de dados(HTML) 8 Page - Analog Devices

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LT8698S/LT8698S-1
8
Rev. A
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, VIN = 12V unless otherwise noted.
No Load Input Current
vs Temperature
Top FET Current Limit
Bottom FET Positive Current Limit
vs Temperature
Top FET Negative Current Limit
Top FET/ Bottom FET Drop
Top FET Minimum On-Time
Minimum Off-Time
vs Temperature
Switching Frequency
vs Temperature
VIN - VBUS Dropout
10% DC
50% DC
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
Top FET Current Limit
8698S G11
30% DC
50% DC
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
–3.00
–2.75
–2.50
–2.25
–2.00
–1.75
–1.50
–1.25
–1.00
Top FET Negative Current Limit
8698S G14
ISW = 3A
ISW = 2A
ISW = 1A
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
50
100
150
200
250
300
350
400
Top FET / Bottom FET Drop
8698S G14
IBUS = 2.65A
IBUS = 6A
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
22
23
24
25
26
27
28
29
30
Top FET Minimum On–Time
8698S G15
L = XAL5030–222, RSEN = 10mΩ
IBUS = 2.5A
IBUS = 1A
IBUS = 0A
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
75
150
225
300
375
450
525
600
VIN – VBUS Dropout
8698S G17
VIN = 12V
L = 2.2µH
RT = 9.09k
SYNC/MODE = FLOAT
SYNC/MODE = OPEN
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
4
8
12
16
20
24
28
32
vs Temperature
No Load Input Current
8698S G10
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
Limit vs Temperature
Bottom FET Positive Current
8698S G12
IBUS = 2.5A
IBUS = 0A
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
30
35
40
45
50
55
60
vs Temperature
Minimum Off–Time
8698S G16
RT = 9.09k
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
vs Temperature
Switching Frequency
8698S G18



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