AAT1500-S13-T Ver la hoja de datos (PDF) - Advanced Analog Technology, Inc.
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AAT1500-S13-T Datasheet PDF : 14 Pages
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Advanced Analog Technology, Inc.
TYPICAL OPERATING CHARACTERISTICS
July 2008
AAT1500
Typical Application
D1
μ L1 4.7 H
D2
LED
D3
LED
μC2 D4
10 F LED
AAT1500
1 VDD 6
SW
2
OVP 5
GND
3 IE EN 4
Ω R1
12.4
VIN :
2.6V~5.5V
μC1
10 F
94%
92%
90%
88%
86%
84%
82%
80%
78%
76%
2.5
Efficiency vs. VIN
1-LED
2-LED
3-LED
4-LED
3 3.5 4 4.5 5 5.5
VIN (V)
Efficiency vs. VO
92%
90%
88%
86%
84%
82%
80%
78%
76%
3.5
6.5
9.5
12.5
VO (V)
Efficiency vs. LED Current
95%
90%
1-LED
85%
80%
2-LED
75%
4-LED
3-LED
70%
65%
60%
0
5
10 15 20 25 30
LED Current (mA)
22.5
22
21.5
21
20.5
20
19.5
2.5
LED Current vs. VIN
LED Current vs. VO
22
21.5
21
20.5
20
19.5
19
18.5
3.0 3.5 4.0 4.5 5.0 5.5
VIN (V)
3 4 5 6 7 8 9 10 11
VO (V)
– 台灣類比科技股份有限公司 –
– Advanced Analog Technology, Inc. –
Version 1.00
Page 5 of 14
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