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