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LT3756 Datasheet(PDF) 7 Page - Analog Devices

Part # LT3756
Description  60VIN/120VOUT Dual LED Controller with Exponential PWM and Scalable Dimming
PDF  30 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3756 Datasheet(HTML) 7 Page - Analog Devices

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LT8355-1
7
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
ISP − ISN Accuracy at CTRL = 1V
vs Temperature
ISP − ISN Accuracy at CTRL = 0.6V
vs Temperature
ISP1-ISN1 Regulation Voltage vs
CTRL1 Pin Voltage
TA = 25°C, unless otherwise noted.
ISP2-ISN2 Regulation Voltage vs
CTRL2, IADJ2 Pin Voltage
ISP-ISN Voltage vs FB Pin Voltage
Output Voltage Regulation vs
Temperature
C/10 Threshold vs Temperature
FB Short LED Threshold vs
Temperature
FB Overvoltage Threshold vs
Temperature
FALLING THRESHOLD
RISING THRESHOLD
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.20
1.22
1.24
1.26
1.28
1.30
1.32
8355-1 G27
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.14
1.16
1.18
1.20
1.22
1.24
1.26
8355-1 G24
CTRL1 PIN VOLTAGE (V)
0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9
0
25
50
75
100
125
150
175
200
225
250
275
8355-1 G21
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
240
260
280
300
320
340
360
8355-1 G26
FALLING THRESHOLD
RISING THRESHOLD
FB PIN VOLTAGE (V)
1.180 1.185 1.190 1.195 1.200 1.205 1.210
0
25
50
75
100
125
150
175
200
225
250
275
8355-1 G23
VCTRL1,2 = 0.6V, VIADJ2 = 2V
ISN = 0V
ISP = 48V
ISP = 100V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
15.0
17.5
20.0
22.5
25.0
27.5
30.0
32.5
35.0
8355-1 G20
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
15.0
17.5
20.0
22.5
25.0
27.5
30.0
32.5
35.0
8355-1 G25
FALLING THRESHOLD
RISING THRESHOLD
IADJ2 = 1.5V
IADJ2 = 1.25V
IADJ2 = 1.0V
IADJ2 = 0.75V
IADJ2 = 0.6V
CTRL2 PIN VOLTAGE (V)
0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9
0
25
50
75
100
125
150
175
200
225
250
275
8355-1 G22
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
115.0
117.5
120.0
122.5
125.0
127.5
130.0
132.5
135.0
8355-1 G19
VCTRL1,2 = 1V, VIADJ2 = 2V
ISN = 0V
ISP = 48V
ISP = 100V



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