 English |
|
|
|
|
|
|
|
| AAT2845A Datasheet, PDF (7/19 Pages) Advanced Analogic Technologies – Four-Channel Backlight Driver with Dual LDOs | |||
| |||
| ◁ |
AAT2845A
Four-Channel Backlight Driver with Dual LDOs
Typical Characteristics
CIN = CO1 = CO2 = 2.2µF, C1 = C2 = 1.0µF, CBP = 0.1µF; TA = 25°C, unless otherwise noted. Typical values are
at TA = 25°C and VIN = 3.6V.
Backlight Operating Characteristic
(VIN = 2.9V; 2X Mode; 13.5mA/ch Load)
Backlight Operating Characteristic
(VIN = 2.9V; 2X Mode; 20mA/ch Load)
VIN
(20mV/div)
VOUT
(40mV/div)
VSINK
(40mV/div)
VIN
(20mV/div)
VOUT
(40mV/div)
VSINK
(40mV/div)
Time (500ns/div)
Time (500ns/div)
Backlight Operating Characteristic
(VIN = 3.5V; 1.5X Mode; 13.5mA/ch Load)
VIN
(20mV/div)
VOUT
(40mV/div)
VSINK
(20mV/div)
Time (500ns/div)
Backlight Operating Characteristic
(VIN = 3.7V; 1.5X Mode; 20mA/ch Load)
VIN
(20mV/div)
VOUT
(40mV/div)
VSINK
(20mV/div)
Time (500ns/div)
EN/SET Latch Timeout vs. Supply Voltage
400
350
300
-40°C
250
200
150
100
25°C 85°C
50
0
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
Supply Voltage (V)
2845A.2007.05.1.0
EN/SET Off Timeout vs. Supply Voltage
500
450
400
350
-40°C
300
250
200
150
25°C 85°C
100
50
0
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
Supply Voltage (V)
7
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese