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LT3797 датащи(PDF) 7 Page - Linear Technology

номер детали LT3797
подробное описание детали  Triple Output LED Driver Controller
PDF  36 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LT3797 датащи(HTML) 7 Page - Linear Technology

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LT3797
7
3797f
For more information www.linear.com/LT3797
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C unless otherwise noted.
OVLO Threshold vs Temperature
EN/UVLO Falling/Rising
Threshold vs Temperature
EN/UVLO Hysteresis Current
vs Temperature
EN/UVLO Current vs Voltage
SENSE Current Limit Threshold
vs Temperature
SENSE Current Limit Threshold
vs Duty Cycle
RT vs Switching Frequency
Switching Frequency
vs Temperature
VIN, INTVCC Quiescent Current
vs VIN
SWITCHING FREQUENCY (kHz)
100
300
3797 G10
10
100
200
1000
900
800
700
600
500
400
0
TEMPERATURE (°C)
–50
415
25
3797 G11
400
390
–25
0
50
385
380
420
410
405
395
75
100 125
VIN (V)
0
0
1.0
0.5
1.5
2.0
2.5
5
10
15
20
3797 G12
25
30
35
40
PWM = 0V
IINTVCC
IVIN
TEMPERATURE (°C)
–50
1.09
1.11
1.15
1.17
1.19
50
1.27
3797 G13
1.13
0
–25
75
100
25
125
1.21
1.23
1.25
OVLO RISING THRESHOLD
OVLO FALLING THRESHOLD
TEMPERATURE (°C)
–50
1.23
1.24
1.25
25
75
3797 G14
1.22
1.21
–25
0
50
100
125
1.20
1.19
EN/UVLO RISING THRESHOLD
EN/UVLO FALLING THRESHOLD
TEMPERATURE (°C)
–50
1.6
1.8
2.0
2.2
2.4
–25
0
25
50
3797 G15
75
100 125
EN/UVLO VOLTAGE (V)
0.122
–0.5
1.5
2.0
2.5
1.22
12.2
3797 G16
1.0
0.5
0
TEMPERATURE (°C)
–50
105
107
108
109
115
112
0
50
75
100
3797 G17
106
113
114
111
110
–25
25
125
DUTY CYCLE
0
105
110
80
3797 G18
100
95
20
40
60
100
115



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