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AIC1647 Fiches technique(PDF) 6 Page - Analog Intergrations Corporation

No de pièce AIC1647
Description  WHITE LED STEP-UP CONVERTER IN SOT23
Download  11 Pages
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Fabricant  AIC [Analog Intergrations Corporation]
Site Internet  http://www.analog.com.tw
Logo AIC - Analog Intergrations Corporation

AIC1647 Fiches technique(HTML) 6 Page - Analog Intergrations Corporation

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AIC1647
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Fig. 14
Start-Up from Shutdown
VIN=3.6V; 3 LEDs; L1=10µF; COUT=0.22µF; ILED=20mA
VSHDN, 2V/div
IINDUCTOR, 100mA/div
VOUT, 2V/div
Fig. 15
Start-Up from Shutdown
IINDUCTOR, 100mA/div
VOUT, 20V/div
VIN=3.6V; 6 LEDs; L1=10µF; COUT=0.22µF; ILED=10mA
VSHDN, 2V/div
Fig. 16
Operation Wave Form
VOUT, 100mV/div
VSW, 10V/div
IINDUCTOR, 100mA/div
VIN=3.6V; 3 LEDs; L1=10µF; COUT=0.22µF; ILED=10mA
Temperature (
°C)
Fig. 17 Output voltage vs. temperature
-40
-20
0
20
40
60
80
100
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
6 Samples' Temperature Data
3 LEDs
ILED=20mA
Temperature (
°C)
Fig. 18 LED Current vs. Temperature
-80
-60
-40
-20
0
20
40
60
80
100
0
5
10
15
20
25
4 LEDs
VIN=4.2V
VIN=3.6V
VIN=3.3V
VIN=2.5V
6


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