LT3799IMSE#PBF Linear Technology, LT3799IMSE#PBF Datasheet - Page 5

• Manufacturer Part Number: LT3799IMSE#PBF
• Description: IC, LED DRVR, MSOP-16
• Manufacturer: Linear Technology

Specifications of LT3799IMSE#PBF

• Led Driver Application: High Power LED Driver, Automotive Lighting
• No. Of Outputs: 1
• Output Current: 3A
• Input Voltage: 18V
• Dimming Control Type: Analog
• Topology: Flyback
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
26.00
25.75
25.50
25.25
25.00
24.75
24.50
1.5
1.4
1.3
1.2
1.1
1.0
12
10
8
6
4
2
0
–50
–50
–50
CT Pin Charge Current
vs Temperature
V
CT Pin High Threshold
vs Temperature
IN
–25
–25
Shunt Voltage vs Temperature
–25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
I
SHUNT
25
25
25
= 10mA
50
50
50
75
75
75
100
100
100
3799 G12
3799 G09
3799 G15
125
125
125
10.6
10.4
10.2
10.0
200
190
180
170
160
150
9.8
9.6
9.4
30
25
20
15
10
5
0
–50
–50
–50
CT Pin Discharge Current
vs Temperature
Maximum Shunt Current
vs Temperature
INTV
–25
–25
–25
CC
vs Temperature
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
10mA LOAD
25
NO LOAD
25
25
50
50
50
75
75
75
100
100
100
3799 G10
3799 G13
3799 G16
125
125
125
10.25
10.20
10.15
10.10
10.05
10.00
9.95
0.4
0.3
0.2
0.1
1.2
1.0
0.8
0.6
0.4
0.2
0
0
–50
10
0
CT Pin Low Threshold
vs Temperature
INTV
LED Current vs TRIAC Angle
PAGE 17 SCHEMATIC
220V APPLICATION
12
–25
CC
30
PART OFF
14
vs V
TRIAC ANGLE (DEGREES)
16
0
PART ON
TEMPERATURE (°C)
60
18
IN
25
V
20
120V APPLICATION
IN
90
(V)
22
50
LT3799
24
120
75
26 28
150
100
30 34
3799 G11
3799 G14
3799 G17
5
3799f
125
180