Datasheet

4
LT3466-1
34661f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Quiescent Current
(CTRL1 = CTRL2 = 3V)Switch Current Limit vs Duty Cycle
Shutdown Current
(CTRL1 = CTRL2 = 0V)
Open-Circuit Output Clamp
Voltage
R
T
vs Oscillator Frequency
DUTY CYCLE (%)
0
CURRENT LIMIT (mA)
300
400
80
34661 G05
200
100
250
350
450
500
150
50
0
20
40
60
100
T
A
= –50°C
T
A
= 85°C
T
A
= 25°C
Open-Circuit Output Clamp
Voltage
Input Current with Output 1 and
Output 2 Open Circuit
OSCILLATOR FREQUENCY (kHz)
R
T
(kΩ)
1000
34661 G10
10
100
600 180014001000
200
Oscillator Frequency vs V
IN
T
A
= 25°C unless otherwise specified
V
IN
(V)
0
7
6
UVLO
5
4
3
2
1
0
12 20
34661 G04
48
16 24
QUIESCENT CURRENT (mA)
V
IN
(V)
2
0
SHUTDOWN CURRENT (µA)
10
30
40
50
70
4
12
16
34661 G06
20
60
10
20
2422
6
8
14 18
T
A
= –50°C
T
A
= 25°C
T
A
= 100°C
V
IN
(V)
38.00
OUTPUT CLAMP VOLTAGE (V)
39.00
40.00
41.00
38.50
39.50
40.50
6 101418
34661 G07
2442 8 12 16 20 22
V
OUT2
V
OUT1
R
T
= 63.4k
TEMPERATURE (°C)
–50 –25
37
OUTPUT CLAMP VOLTAGE (V)
39
42
0
50
75
34661 G08
38
41
40
25
100
125
V
OUT2
V
OUT1
R
T
= 63.4k
V
IN
(V)
2
INPUT CURRENT (mA)
12
16
20
18
34661 G09
8
4
0
468
10 12
14 16 20
2422
R
T
= 63.4k
V
IN
(V)
800
OSCILLATOR FREQUENCY (kHz)
900
1000
1100
8121620
34661 G11
24462 10141822
R
T
= 48.7k