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LT3478 Datasheet(PDF) 6 Page - Linear Technology

Part # LT3478
Description  4.5A Monolithic LED Drivers with True Color PWM Dimming
Download  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3478 Datasheet(HTML) 6 Page - Linear Technology

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LT3478/LT3478-1
6
34781f
JUNCTION TEMPERATURE (
°C)
–50
1.8
1.5
1.2
0.6
0.9
0
0.3
–25
0
25
3478 G17
50
75
100
125
VC CLAMP
VC ACTIVE THRESHOLD
JUNCTION TEMPERATURE (
°C)
–50
43.0
42.5
42.0
41.5
41.0
40.5
39.0
39.5
40.0
–25
0
25
3478 G15
50
75
100
125
OVPSET = 1V
JUNCTION TEMPERATURE (
°C)
–50
14
13
12
11
10
–25
0
25
3478 G16
50
75
100
125
JUNCTION TEMPERATURE (
°C)
–50
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.80
0.85
–25
0
25
3478 G14
50
75
100
125
RT = 31.6k
RT (kΩ)
1
100
1000
10000
10
100
1000
3478 G13
TA = 25°C
Switching Frequency vs RT
Switching Frequency vs
Temperature
Open-Circuit Output Clamp
Voltage vs Temperature
SS Pin Charge Current vs
Temperature
VC Pin Active and Clamp Voltages
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS


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