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LT3477 Datasheet(PDF) 6 Page - Analog Devices

Part # LT3477
Description  60V, 1.5A LED Driver with Internal Exponential Scale Dimming
PDF  26 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3477 Datasheet(HTML) 6 Page - Analog Devices

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LT3950
6
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
FB Regulation Voltage vs
Temperature
FB Overvoltage Threshold
(Rising) vs Temperature
FB Short LED Threshold (Falling)
vs Temperature
FB Open LED Threshold (Rising)
vs Temperature
C/10 Threshold (Falling) vs
Temperature
ISP–ISN Regulation Voltage vs
FB Pin Voltage
EN/UVLO Threshold vs
Temperature
EN/UVLO Pin Current vs
Temperature
ISP Regulation Engagement Point
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
1.160
1.168
1.176
1.184
1.192
1.200
1.208
1.216
1.224
1.232
1.240
3950 G10
TEMPERATURE (°C)
–50
0
50
100
150
1.26
1.27
1.28
1.29
1.30
1.31
1.32
3950 G11
TEMPERATURE (°C)
–50
0
50
100
150
300
305
310
315
320
325
330
3950 G12
ISP = ISN=12V
TEMPERATURE (°C)
–50
0
50
100
150
1.10
1.12
1.14
1.16
1.18
1.20
3950 G13
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
1.150
1.165
1.180
1.195
1.210
1.225
1.240
1.255
1.270
1.285
1.300
3950 G16
FALLING
RISING
TEMPERATURE (°C)
–50
0
50
100
150
20
22
24
26
28
30
3950 G14
VISP = 12V
VFB = 1.2V
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
1.00
1.30
1.60
1.90
2.20
2.50
2.80
3.10
3.40
3.70
4.00
3950 G17
VFB (V)
1.14
1.15
1.16
1.17
1.18
1.19
1.20
0
60
120
180
240
300
3950 G15
VISP = 12V
VCTRL = 1.5V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
55
56
57
58
59
60
61
62
63
64
65
3950 G18



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