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LT3756 데이터시트(PDF) 6 Page - Analog Devices

부품명 LT3756
상세설명  60VIN/120VOUT Dual LED Controller with Exponential PWM and Scalable Dimming
PDF  31 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

LT3756 데이터시트(HTML) 6 Page - Analog Devices

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LT8355-1
6
Rev. A
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, unless otherwise noted.
VREF Voltage vs Temperature
VREF Line Regulation
VREF Load Regulation
Switching Frequency vs RT
Resistor
Switching Frequency (400kHz) vs
Temperature
Switching Frequency (100kHz) vs
Temperature
Switching Frequency (2MHz) vs
Temperature
ISP − ISN Voltage vs ISP Voltage
ISP − ISN Accuracy Full-Scale
Threshold vs Temperature
VCTRL1,2 = 2V, VIADJ2 = 2V
ISN = 0V
ISP = 48V
ISP = 100V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
240.0
242.5
245.0
247.5
250.0
252.5
255.0
257.5
260.0
8355-1 G18
GATE2
GATE1
RT = 215k
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
96
100
104
108
112
116
8355-1 G15
IREF PIN CURRENT (mA)
0 0.1 0.2 0.4 0.5 0.6 0.7 0.8 1.0 1.1 1.2
1.94
1.96
1.98
2.00
2.02
2.04
2.06
8355-1 G12
ISP PIN VOLTAGE (V)
0 10 20 30 40 50 60 70 80 90 100 110
240.0
242.5
245.0
247.5
250.0
252.5
255.0
257.5
260.0
8355-1 G17
GATE2
GATE1
RT = 51.1k
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
380
390
400
410
420
430
440
450
8355-1 G14
IVREF = 0.5 mA
VIN PIN VOLTAGE (V)
5 10 15 20 25 30 35 40 45 50 55 60
1.94
1.96
1.98
2.00
2.02
2.04
2.06
8355-1 G11
GATE2
GATE1
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
8355-1 G16
GATE1
GATE2
RT RESISTOR (kΩ)
8 10
100
300
100k
1M
3M
8355-1 G13
IVREF = 0.5 mA
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.94
1.96
1.98
2.00
2.02
2.04
2.06
8355-1 G10



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