LT3519 LINER [Linear Technology], LT3519 Datasheet - Page 5

• Manufacturer Part Number: LT3519
• Description: LED Driver with Integrated Schottky Diode
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
1.25
1.24
1.22
1.20
1.23
1.21
500
450
400
350
300
250
200
150
100
50
0
–50
0
FB Regulation Voltage vs
Temperature
Switch Saturation Voltage
(V
V
IN
CESAT
–25
= 12V
200
)
SWITCH CURRENT (mA)
0
TEMPERATURE (°C)
400
25
50
600
75
800
100
3519 G10
3519 G13
1000
125
100
90
80
70
60
50
40
30
20
10
10
0
9
8
7
6
5
4
3
2
0
1
–50
–50
FB OPENLED Threshold vs
Temperature
Schottky Leakage Current vs
Temperature
V
V
IN
R
= 24V
= 12V
–25
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
50
50
75
75
100
100
(T
3519 G11
3519 G14
A
= 25°C unless otherwise noted)
125
125
500
400
200
900
800
700
600
300
1.30
1.28
1.24
1.22
1.20
100
1.26
0
–50
0
SHDN/UVLO Threshold vs
Temperature
Schottky Forward Voltage Drop
SCHOTTKY FORWARD VOLTAGE DROP (mV)
V
IN
–25
= 12V
200
0
SHDN/UVLO FALLING
TEMPERATURE (°C)
SHDN/UVLO RISING
400
25
50
600
LT3519
75
800
100
3519 G12
3519 15
5
3519f
1000
125