lt3799 Linear Technology Corporation, lt3799 Datasheet - Page 4

• Manufacturer Part Number: lt3799
• Description: Lt3799 - Offline Isolated Flyback Led Controller With Active Pfc
• Manufacturer: Linear Technology Corporation

LT3799
TYPICAL PERFORMANCE CHARACTERISTICS
4
2.100
2.075
2.050
2.025
2.000
1.975
1.950
1.925
1.900
24.0
23.5
23.0
22.5
22.0
–50
–50
V
vs Temperature
V
IN
REF
–25
Start-Up Voltage
–25
vs Temperature
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
200µA LOAD
NO LOAD
25
25
50
50
375
350
325
300
275
250
225
–50
Maximum Oscillator Frequency
vs Temperature
75
75
–25
100
100
3799 G05
3799 G01
0
TEMPERATURE (°C)
125
125
25
2.100
2.075
2.050
2.025
2.000
1.975
1.950
1.925
1.900
50
140
120
100
80
60
40
20
0
–50
14
V
V
75
IN
REF
16
–25
I
Q
200µA LOAD
100
vs V
NO LOAD
vs Temperature
18
3799 G07
IN
0
125
TEMPERATURE (°C)
20
25
V
V
22
V
IN
IN
IN
= 24V
= 12V
(V)
24
50
26
75
28
70
60
50
40
30
20
10
100
–50
30
Minimum Oscillator Frequency
vs Temperature
3799 G05
3799 G02
32
–25
125
0
TEMPERATURE (°C)
12.0
11.6
11.2
10.8
10.4
10.0
120
100
80
60
40
20
25
0
–50
–50
Input Voltage Hysteresis
vs Temperature
SENSE Pin Threshold Current
vs Temperature
50
–25
–25
75
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
100
25
MAX I
MIN I
25
3799 G08
125
LIM
LIM
50
50
75
75
100
100
3799 G03
3799 G06
3799p
125
125