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LT3466 Datasheet(PDF) 4 Page - Linear Technology

Part # LT3466
Description  Dual Full Function White LED Step-Up Converter with Built-In Schottky Diodes
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3466 Datasheet(HTML) 4 Page - Linear Technology

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4
LT3466
3466fa
TYPICAL PERFOR A CE CHARACTERISTICS
Switch Saturation Voltage (VCESAT)
Switch Current Limit vs Duty Cycle
Shutdown Quiescent Current
(CTRL1 = CTRL2 = 0V)
Open-Circuit Clamp Voltage
vs VIN
SWITCH CURRENT (mA)
0
250
300
350
400
3466 G04
200
150
0
100
200
300
50
150
250
350
100
50
450
400
TA = 25°C
VCE1, VCE2
DUTY CYCLE (%)
0
300
400
80
3466 G05
200
100
250
350
450
500
150
50
0
20
40
60
100
TA = –50°C
TA = 85°C
TA = 25°C
VIN (V)
4
60
80
100
20
3466 G06
40
20
50
70
90
30
10
0
8
12
16
6
222
10
14
18
24
TA = –50°C
TA = 100°C
TA = 25°C
VIN (V)
2
39.5
40.0
18
3466 G07
39.0
38.5
6
10 12
24
40.5
14
4
8
20 22
16
VOUT2
VOUT1
TA = 25°C
RT = 63.4k
TEMPERATURE (
°C)
–50
39
40
3466 G08
38
37
0
50
100
42
41
VIN = 3.6V
RT = 63.4k
VOUT2
VOUT1
VIN (V)
2
15
20
25
18
3466 G09
10
5
0
468
10 12 14 16
20 22 24
TA = 25°C
RT = 63.4k
Open-Circuit Clamp Voltage
vs Temperature
Input Current with Output 1 and
Output 2 Open Circuit
VFB vs VCTRL
CONTROL VOLTAGE (V)
0
100
150
2
3466 G03
50
0
0.5
1
1.5
250
200
VIN = 3V
TA = 25°C
Distribution of VFB vs VCTRL
VFB vs VCTRL
(Temperature Variation)
CONTROL VOLTAGE (V)
0
100
150
MAX
±4mV
TYP
MIN
2
3466 G16
50
0
0.5
1
1.5
250
VIN = 3V
TA = 25°C
200
±4mV
CONTROL VOLTAGE (V)
0
100
150
2
3466 G17
50
0
0.5
1
1.5
250
200
±5mV
TA = –45°C
TA = 25°C
TA = 85°C



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