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LT8609SEVPBF 数据表(PDF) 5 Page - Analog Devices

部件名 LT8609SEVPBF
功能描述  42V, 2A/3A Peak Synchronous Step-Down Regulator with 2.5μA Quiescent Current
PDF  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LT8609SEVPBF 数据表(HTML) 5 Page - Analog Devices

  LT8609SEVPBF Datasheet HTML 1Page - Analog Devices LT8609SEVPBF Datasheet HTML 2Page - Analog Devices LT8609SEVPBF Datasheet HTML 3Page - Analog Devices LT8609SEVPBF Datasheet HTML 4Page - Analog Devices LT8609SEVPBF Datasheet HTML 5Page - Analog Devices LT8609SEVPBF Datasheet HTML 6Page - Analog Devices LT8609SEVPBF Datasheet HTML 7Page - Analog Devices LT8609SEVPBF Datasheet HTML 8Page - Analog Devices LT8609SEVPBF Datasheet HTML 9Page - Analog Devices Next Button
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LT8609S
5
Rev. D
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
SWITCH CURRENT = 1A
TOP SW
BOT SW
TEMPERATURE (°C)
–50 –30 –10 10 30 50 70 90 110 130 150
0
50
100
150
200
250
300
350
8609S G12
DUTY CYCLE (%)
0
20
40
60
80
100
3.50
3.75
4.00
4.25
4.50
4.75
5.00
5.25
5.50
8609S G10
TEMPERATURE (°C)
–50
–10
30
70
110
150
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
8609S G11
Top FET Current Limit
vs Duty Cycle
Top FET Current Limit
vs Temperature
TOP SW
BOT SW
SWITCH CURRENT (A)
0
0.5
1
1.5
2
2.5
3
0
100
200
300
400
500
600
700
800
8609S G13
SYNC = 2V, 1.5A OUT
SYNC = 0V, 1.5A OUT
TEMPERATURE (°C)
–50 –30 –10 10 30 50 70 90 110 130 150
0
10
20
30
40
50
60
70
8609S G14
TEMPERATURE (°C)
–50 –30 –10 10 30 50 70 90 110 130 150
50
60
70
80
90
100
110
120
130
140
150
8609S G15
VIN = 6V
ILOAD = 1A
Switch Drop vs Temperature
Switch Drop vs Switch Current
Minimum On-Time
vs Temperature
Minimum Off-Time
vs Temperature
Dropout Voltage vs Load Current
Switching Frequency
vs Temperature
LOAD CURRENT (A)
0
800
200
700
300
600
500
100
400
0
1.5
8609S G16
3
1
2.5
2
0.5
RT = 18.2kΩ
TEMPERATURE (°C)
–50 –30 –10 10 30 50 70 90 110 130 150
1.975
1.980
1.985
1.990
1.995
2.000
2.005
8609S G17



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