AAT2845AIML-EE-T1 AnalogicTech, AAT2845AIML-EE-T1 Datasheet - Page 6

• Manufacturer Part Number: AAT2845AIML-EE-T1
• Description: Four-Channel Backlight Driver with Dual LDOs
• Manufacturer: AnalogicTech

Typical Characteristics
C
at T
(200mA/div)
(200mA/div)
6
IN
(2V/div)
= C
(2V/div)
(1V/div)
(2V/div)
A
100
EN/SET
EN/SET
(2V/div)
90
80
70
60
50
40
30
= 25°C and V
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
V
V
Backlight Efficiency vs. Supply Voltage
O1
SINK
OUT
V
I
I
Turn-Off from 1.5X Mode Backlight
IN
IN
F
= C
O2
Turn-On to 1.5X Mode
(V
= 2.2µF, C
IN
IN
= 3.5V; 20mA/ch Load)
Supply Voltage (V)
Time (100µs/div)
Time (100µs/div)
= 3.6V.
1mA/ch
1
= C
15.2mA/ch
2
= 1.0µF, C
20mA/ch
Four-Channel Backlight Driver with Dual LDOs
BP
= 0.1µF; T
A
(100mA/div)
(500mA/div)
(500mV/div)
= 25°C, unless otherwise noted. Typical values are
(2V/div)
(2V/div)
(2V/div)
(1V/div)
(2V/div)
EN/SET
EN/SET
V
V
V
V
SINK
SINK
OUT
OUT
I
I
IN
IN
(V
(V
Turn-On to 1X Mode
Turn-On to 2X Mode
IN
IN
= 4.2V; 20mA/ch Load)
= 2.8V; 20mA/ch Load)
Time (100µs/div)
Time (100µs/div)
AAT2845A
2845A.2007.05.1.0