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AAT2803 데이터시트(PDF) 8 Page - Advanced Analog Technology, Inc.

부품명 AAT2803
상세설명  Six-Channel White LED Backlight Charge Pump with Flash
PDF  16 Pages
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제조업체  AAT [Advanced Analog Technology, Inc.]
홈페이지  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT2803 데이터시트(HTML) 8 Page - Advanced Analog Technology, Inc.

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AAT2803
Six-Channel White LED Backlight
Charge Pump with Flash
8
2803.2006.12.1.6
Typical Characteristics–White LED Backlight Driver Section
Unless otherwise noted, VIN = 3.6V, CIN = COUT = C1 = C2 = C3 = 1.0μF; TA = 25°C.
Current Matching vs. Temperature
Temperature (
°°C)
19.2
19.4
19.6
19.8
20.0
20.2
-40
-20
0
20
40
60
80
Channel 2
Channel 1
Channel 5
Channel 3
Channel 4
Channel 6
Turn-Off from 1.5X Mode
(VIN = 3.5V; 20mA Load)
100
μμs/div
EN
(2V/div)
IIN
(100mA/div)
VF
(1V/div)
Turn-On to 2X Mode
(VIN = 2.8V; 20mA Load)
100
μμs/div
EN
(2V/div)
CP
(2V/div)
IIN
(200mA/div)
VSINK
(500mV/div)
Turn-On to 1.5X Mode
(VIN = 3.8V; 20mA Load)
100
μμs/div
EN
(2V/div)
CP
(2V/div)
IIN
(200mA/div)
VSINK
(500mV/div)
Turn-On to 1X Mode
(VIN = 4.2V; 20mA Load)
100
μμs/div
EN
(2V/div)
CP
(2V/div)
IIN
(200mA/div)
VSINK
(500mV/div)
Efficiency vs. Supply Voltage
Supply Voltage (V)
50
60
70
80
90
100
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.1mA
VF = 2.9V
20mA
VF = 3.4V
10.2mA
VF = 3.1V



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