ame5142 AME, Inc., ame5142 Datasheet - Page 17

• Manufacturer Part Number: ame5142
• Description: White Led Boost Converter In Tiny Package
• Manufacturer: AME, Inc.

Rev. A.04
AME5142
92.0
91.8
91.6
91.4
91.2
91.0
90.8
90.6
90.4
90.2
89.8
89.6
89.4
89.2
88.8
88.6
88.4
88.2
1.80
1.00
0.60
0.40
0.20
90.0
89.0
88.0
1.60
1.40
1.20
0.80
100
90
80
70
60
50
2.7
2.7
-25
Max Duty Cycle vs. Temperature
AME, Inc.
3.1
3.1
T
Efficiency vs. Load Current
A
0
= 85
o
C
3.5
3.5
Temperature (
Switch RDSON
Dirving 4 LEDs
25
3.9
3.9
V
V
IN
I N
50
(V)
(V)
4.3
4.3
o
75
C)
4.7
4.7
T
A
100
= 25
5.1
5.1
o
C
5.5
125
5.5
1.00
1.45
1.40
1.35
1.25
1.20
1.15
1.10
1.05
0.95
1.50
1.30
0.90
100
100
White LED Boost Converter
90
80
70
60
50
90
80
70
60
50
-25
2.7
2.7
Oscillator Frequency vs. Temperature
3.1
3.1
Efficiency vs. Load Current
Efficiency vs. Load Current
0
3.5
3.5
Temperature (
Dirving 3 LEDs
Dirving 6 LEDs
25
3.9
3.9
V
V
IN
IN
In Tiny Package
50
(V)
(V)
4.3
4.3
o
75
C)
4.7
4.7
100
5.1
5.1
125
5.5
5.5
17