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AAT2845IML-EE-T1 Datasheet(PDF) 8 Page - Advanced Analogic Technologies

Part # AAT2845IML-EE-T1
Description  Four-Channel Backlight Driver with Dual LDOs
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Manufacturer  ANALOGICTECH [Advanced Analogic Technologies]
Direct Link  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

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AAT2845
Four-Channel Backlight Driver with Dual LDOs
ChargePumpTM
PRODUCT DATASHEET
8
2845.2008.05.1.2
www .analogictech.com
AAT2845
Four-Channel Backlight Driver with Dual LDOs
ChargePumpTM
PRODUCT DATASHEET
8
2845.2008.05.1.2
www .analogictech.com
Typical Characteristics
IN = 3.6V; CIN = COUTA = COUTB = 2.2µF; COUT = 1µF; C1 = C2 = 1.0µF; CBP = 0.1µF; TA = 25°C, unless otherwise noted.
Typical values are at TA = 25°C.
EN/SET and ENLDO Low Threshold Voltage
vs. Supply Voltage and Temperature
Supply Voltage (V)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
85°C
25°C
-40°C
EN/SET and ENLDO High Threshold Voltage
vs. Supply Voltage and Temperature
Supply Voltage (V)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
85°C
25°C
-40°C
AAT2845-EE LDOA Turn-On Characteristic
(VOUTA = VFBA)
Time (50µs/div)
VOUT
(500mV/div)
ENLDO
(2V/div)
AAT2845-EE LDOB Turn-On Characteristic
(VOUTB = VFBB)
Time (50µs/div)
VOUT
(500mV/div)
ENLDO
(2V/div)
AAT2845-QG/QI LDOA Turn-On Characteristic
(VOUTA = 2.8V)
Time (50µs/div)
VOUT
(1V/div)
ENLDO
(2V/div)
AAT2845-QI LDOB Turn-On Characteristic
(VOUTB = 1.8V)
Time (50µs/div)
VOUT
(500mV/div)
ENLDO
(2V/div)


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