AIC1647 AIC [Analog Intergrations Corporation], AIC1647 Datasheet - Page 5
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AIC1647
Manufacturer Part Number
AIC1647
Description
WHITE LED STEP-UP CONVERTER IN SOT23
Manufacturer
AIC [Analog Intergrations Corporation]
Datasheet
1.AIC1647.pdf
(11 pages)
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TYPICAL PERFORMANCE CHARACTERISTICS
90
85
80
75
70
65
60
85
80
75
70
65
60
90
85
80
75
70
65
60
0
0
0
Fig. 10 5 LEDs Efficiency vs. LED Current
Fig. 8 3 LEDs Efficiency vs. LED Current
Fig. 12 3 LEDs Efficiency vs. LED Current
V
IN
=3.0V
5
5
5
LED Current (mA)
LED Current (mA)
LED Current (mA)
V
V
IN
IN
V
10
10
10
V
IN
=3.0V
=4.2V
3 LEDs, 10µH
L1: 976AS-100M, TOKO
D1: RB521S-30, ROHM
Test circuit refer to Fig.1
V
IN
V
=4.2V
IN
3 LEDs, 6.8µH
L1: 976AS-6R8M, TOKO
D1: RB521S-30, ROHM
Test circuit refer to Fig.1
5 LEDs, 10µH
L1: 976AS-100M, TOKO
D1: RB521S-30, ROHM
Test circuit refer to Fig.1
IN
=3.0V
=4.2V
=3.6V
V
15
15
15
IN
V
=3.6V
IN
=3.6V
20
20
20
90
85
80
75
70
65
60
80
75
70
65
60
80
75
70
65
60
Fig. 13
0
0
0
Fig. 11
Fig. 9
6 LEDs, 6.8µH
L1: 976AS-6R8M, TOKO
D1: RB521S-30, ROHM
Test circuit refer to Fig.1
6 LEDs Efficiency vs. LED Current
4 LEDs Efficiency vs. LED Current
6 LEDs Efficiency vs. LED Current
5
LED Current (mA)
LED Current (mA)
LED Current (mA)
(Continued)
5
5
4 LEDs, 10µH
L1: 976AS-100M, TOKO
D1: RB521S-30, ROHM
Test circuit refer to Fig.1
V
IN
10
=4.2V
6 LEDs, 10µH
L1: 976AS-100M, TOKO
D1: RB521S-30, ROHM
Test circuit refer to Fig.1
V
IN
V
V
IN
=3.0V
IN
=3.0V
=4.2V
10
10
V
IN
V
15
AIC1647
=3.6V
IN
V
V
IN
=3.6V
V
IN
IN
=3.6V
=3.0V
=4.2V
15
15
20
5