lt3466efe-trpbf Linear Technology Corporation, lt3466efe-trpbf Datasheet - Page 4

• Manufacturer Part Number: lt3466efe-trpbf
• Description: White Led Driver And Boost Converter In 3mm X 3mm Dfn Package
• Manufacturer: Linear Technology Corporation

LT3466-1
4
TYPICAL PERFOR A CE CHARACTERISTICS
41.00
40.50
40.00
39.50
39.00
38.50
38.00
500
450
400
350
300
250
200
150
100
50
0
2
Switch Current Limit vs Duty Cycle
0
Open-Circuit Output Clamp
Voltage
R
T
4
= 63.4k
6
20
8
T
1000
T
100
A
DUTY CYCLE (%)
A
10
10
= –50°C
= 85°C
40
200
V
R
V
V
12
OUT2
OUT1
IN
T
(V)
vs Oscillator Frequency
14
OSCILLATOR FREQUENCY (kHz)
60
600
16
18
W
T
A
80
= 25°C
20 22
1000
34661 G07
34661 G05
U
100
24
1400
1800
40
37
42
41
39
38
34661 G10
7
6
5
4
3
2
1
0
–50 –25
0
Open-Circuit Output Clamp
Voltage
Quiescent Current
(CTRL1 = CTRL2 = 3V)
R
T
= 63.4k
4
UVLO
0
TEMPERATURE (°C)
8
25
V
IN
12
(V)
V
50
OUT1
1100
1000
16
900
800
V
75
OUT2
2
Oscillator Frequency vs V
R
20
T
100
T
4
= 48.7k
A
34661 G08
34661 G04
= 25°C unless otherwise specified
6
125
24
8
10
V
12
IN
(V)
70
60
50
40
30
20
10
20
16
12
14
0
8
4
0
2
2
Shutdown Current
(CTRL1 = CTRL2 = 0V)
Input Current with Output 1 and
Output 2 Open Circuit
16
R
T
4
4
= 63.4k
18
IN
6
6
20
8
8 10 12 14 16
34661 G11
22
10
24
T
T
A
V
12
V
A
IN
= 25°C
IN
= –50°C
T
(V)
A
14
(V)
= 100°C
16
18
18
20
20
34661 G06
22
34661 G09
22
34661f
24
24