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LT3799I(RevA) 查看數據表（PDF） - Linear Technology

零件编号
产品描述 (功能)
比赛名单
LT3799I
(Rev.:RevA)
Offline Isolated Flyback LED Controller with Active PFC
Linear
Linear Technology Linear
LT3799I Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LT3799
Typical Performance Characteristics
LED Current vs Input Voltage
1.20
PAGE 17 SCHEMATIC:
1.15 OPTIMIZED FOR 120V
1.10
1.05
1.00
0.95
0.90
0.85
0.80
90 100 110 120 130 140 150
VIN (VAC)
3799 G18
LED Current vs Input Voltage
1.20
PAGE 17 SCHEMATIC:
1.15 OPTIMIZED FOR 220V
1.10
1.05
1.00
0.95
0.90
0.85
0.80
170 180 190 200 210 220 230 240 250 260 270
VIN (VAC)
3799 G19
LED Current vs Input Voltage
1.20
PAGE 17 SCHEMATIC:
1.15 UNIVERSAL
1.10
1.05
1.00
0.95
0.90
0.85
0.80
90
110 130 150 170 190 210 230 250 270
VIN (VAC)
3799 G20
Power Factor vs Input Voltage
1.00
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91 PAGE 17 SCHEMATIC:
OPTIMIZED FOR 120V
0.90
90 100 110 120 130
VIN (VAC)
140 150
3799 G21
Power Factor vs Input Voltage
1.00
PAGE 17 SCHEMATIC:
0.99
OPTIMIZED FOR 220V
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.90
170 180 190 200 210 220 230 240 250 260 270
VIN (VAC)
3799 G22
Power Factor vs Input Voltage
1.00
PAGE 17 SCHEMATIC:
0.99
UNIVERSAL
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.90
90
110 130 150 170 190 210 230 250 270
VIN (VAC)
3799 G23
Efficiency vs Input Voltage
100
PAGE 17 SCHEMATIC:
95 OPTIMIZED FOR 120V
90
85
80
75
70
65
60
90 100 110 120 130 140 150
VIN (VAC)
3799 G24
6
Efficiency vs Input Voltage
100
PAGE 17 SCHEMATIC:
95 OPTIMIZED FOR 220V
90
85
80
75
70
65
60
170 180 190 200 210 220 230 240 250 260 270
VIN (VAC)
3799 G25
Efficiency vs Input Voltage
100
PAGE 17 SCHEMATIC:
95 UNIVERSAL
90
85
80
75
70
65
60
90
110 130 150 170 190 210 230 250 270
VIN (VAC)
3799 G26
3799fa

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