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LT3754 Datasheet(PDF) 7 Page - Linear Technology

Part # LT3754
Description  16-Channel 횞 50mA LED Driver
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3754 Datasheet(HTML) 7 Page - Linear Technology

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LT3754
7
3754f
INTVCC Current Limit
vs Junction Temperature
SENSE Threshold
vs Junction Temperature
Overvoltage Protection (OVP)
Level vs Junction Temperature
VOUT − V(LEDx) Short Threshold
vs Junction Temperature
Minimum ON and OFF Times
vs Junction Temperature
GATE Rise/Fall Times
vs GATE Capacitance
INTVCC
vs Current, Junction Temperature
INTVCC
vs Current, Junction Temperature
INTVCC, UVLO(+), UVLO(–)
vs Junction Temperature
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, unless otherwise noted.
JUNCTION TEMPERATURE (°C)
–50
7.0
6.9
6.8
6.7
6.6
25
100
75
050
3754 G13
125
–25
ILOAD = 10mA, 20mA, 30mA
ILOAD = 40mA
VIN = 8V, PWM = 0V
JUNCTION TEMPERATURE (°C)
–50
6.0
5.00
5.5
4.5
25
100
75
050
3754 G14
125
–25
VIN = 6V, PWM = 0V
ILOAD = 10mA
ILOAD = 20mA
ILOAD = 30mA
ILOAD = 40mA
JUNCTION TEMPERATURE (°C)
–50
8
4
5
6
7
2
3
25
100
75
050
3754 G15
125
–25
INTVCC UVLO(–)
INTVCC UVLO(+)
VIN = 12V
INTVCC (REGULATED)
JUNCTION TEMPERATURE (°C)
–50
60
45
50
55
40
25
100
75
050
3754 G16
125
–25
VIN = 6V, INTVCC = 0V
JUNCTION TEMPERATURE (°C)
–50
60.0
57.5
55.0
52.5
50.0
47.5
45.0
42.5
40.0
25
100
75
050
3754 G17
125
–25
INDUCTOR PEAK CURRENT THRESHOLD
(CYCLE-BY-CYCLE)
JUNCTION TEMPERATURE (°C)
–50
70
60
50
40
30
20
10
0
25
100
75
050
3754 G18
125
–25
OVPSET = 1.0V
OVPSET = 0.22V
JUNCTION TEMPERATURE (°C)
–50
7.00
6.75
6.50
6.25
6.00
5.75
5.50
5.25
5.00
25
100
75
050
3754 G18
125
–25
VOUT = 60V
VOUT = 12V
JUNCTION TEMPERATURE (°C)
–50
250
225
200
175
150
125
100
25
100
75
050
3754 G20
125
–25
MINIMUM ON-TIME
MINIMUM OFF-TIME
CGATE = 3300pF
CL (nF)
0
120
100
80
60
40
20
0
15
510
3754 G21
20
FALL TIME
RISE TIME
VIN = 8V, INTVCC = 7V, RT = 523k



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