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LT8331 датащи(PDF) 6 Page - Analog Devices

номер детали LT8331
подробное описание детали  60V 2MHz Low-IQ Boost, SEPIC and Flyback Controller
PDF  34 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

LT8331 датащи(HTML) 6 Page - Analog Devices

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LT8357
6
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
INTVCC Voltage vs Temperature
INTVCC Voltage vs VIN
INTVCC UVLO Threshold vs
Temperature
Oscillator Frequency vs
Temperature
Minimum On-Time vs
Temperature
Minimum Off-Time vs
Temperature
Minimum/Maximum Duty Cycle
vs Oscillator Frequency
Normalized Oscillator Frequency
vs FB Voltage
PGOOD Threshold vs Temperature
TA = 25˚C, unless otherwise noted.
IINTVCC = 0mA
IINTVCC = 20mA
IINTVCC = 40mA
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
4.85
4.90
4.95
5.00
5.05
5.10
5.15
8357 G10
IINTVCC = 20mA
VIN (V)
0
10
20
30
40
50
60
4.85
4.90
4.95
5.00
5.05
5.10
5.15
8357 G11
RISING
FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
2.40
2.45
2.50
2.55
2.60
2.65
2.70
8357 G12
RT = 15.0k
RT = 95.3k
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
0.5
1.0
1.5
2.0
2.5
8357 G13
RT = 15.0k
RT = 95.3k
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
30.0
60.0
90.0
120.0
150.0
8357 G14
RT = 15.0k
RT = 95.3k
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
30
60
90
120
150
8357 G15
MAXIMUM DUTY CYCLE
MINIMUM DUTY CYCLE
OSCILLATOR FREQUENCY (MHz)
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2.0
0
10
20
30
40
50
60
70
80
90
100
8357 G16
FB VOLTAGE (V)
0
0.2
0.4
0.6
0.8
1
0
20
40
60
80
100
120
8357 G17
LOWER RISING
UPPER RISING
UPPER FALLING
LOWER FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
–15
–10
–5
0
5
10
15
8357 G18



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