LT3493 LINER [Linear Technology], LT3493 Datasheet - Page 5

• Manufacturer Part Number: LT3493
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
50
45
40
35
30
25
20
15
10
5
0
0
SHDN Pin Current
2
4
20mV/DIV
0.5A/DIV
6
5V/DIV
V
V
OUT
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
SW
8
V
I
0
L
SHDN
–50
Switch Current Limit
Operating Waveforms
V
V
I
L = 10μH
C
10
OUT
IN
OUT
OUT
(V)
= 12V
–25
= 0.5A
12 14
= 3.3V
= 10μF
0
TEMPERATURE (°C)
16
25
18
1μs/DIV
3493 G14
50
20
75
100 125 150
7.5
7.0
6.5
6.0
5.5
5.0
Typical Minimum Input Voltage
(V
1
3493 G17
3493 G19
OUT
= 5V)
TO START
10
TO RUN
I
OUT
(mA)
20mV/DIV
100
0.5A/DIV
5V/DIV
V
V
OUT
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
SW
I
0
L
0
0
V
V
I
L = 10μH
C
T
Switch Current Limit
Operating Waveforms,
Discontinuous Mode
OUT
3493 G15
IN
OUT
OUT
A
= 25°C unless otherwise noted.
= 12V
1000
= 50mA
= 3.3V
= 10μF
20
DUTY CYCLE (%)
40
5.3
5.1
4.9
4.7
4.3
4.1
3.9
3.7
3.5
5.5
4.5
1μs/DIV
1
Typical Minimum Input Voltage
(V
OUT
60
= 3.3V)
TO RUN
80
10
I
3493 G18
OUT
3493 G20
100
(mA)
LT3493
100
TO START
3493 G16
3493fb
5
1000