lt3518euf-trpbf Linear Technology Corporation, lt3518euf-trpbf Datasheet - Page 5

• Manufacturer Part Number: lt3518euf-trpbf
• Description: Full-featured Led Driver With 2.3a Switch Current
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
10000
1000
100
120
100
2.6
3.0
2.8
2.4
2.2
2.0
60
80
40
20
0
–40 –15
1
0
Oscillator Frequency vs R
Switch Current Limit vs
Temperature
V
T
V
V
V
T
V
A
ISP
A
IN
IN
ISP
C
= 25°C
= 25°C
= 1V
0.2
= 5V
= 5V
= 24V
– V
–10
0.4
ISN
TEMPERATURE (°C)
Threshold vs V
0.6
35
V
R
CTRL
T
0.8
10
60
(kΩ)
(V)
1.0
85
110 135 160
1.2
T
CTRL
1.4
3518 G03
3518 G05
3518 G01
100
1.6
105
104
103
102
101
100
2.5
2.3
2.1
1.9
1.7
1.5
3.0
2.5
2.0
1.5
1.0
0.5
99
98
97
96
95
0
–40 –20
0
0
Switch Current Limit
vs Duty Cycle
V
Temperature
Oscillator Frequency vs
Temperature
V
R
T
V
V
T
V
ISP
A
IN
T
A
CTRL
IN
C
= 25°C
= 6.04k
= 25°C
= 1V
= 5V
= 5V
– V
20
= 2V
10
0
ISN
20
TEMPERATURE (°C)
DUTY CYCLE (%)
Threshold vs
40
40 60
20
V
ISP
(V)
60
80
30
100 120 140
80
40
3518 G06
3518 G02
3518 G04
160
100
50
LT3518
3518fb
5