AAT2801IXN-4.5-T1 AnalogicTech, AAT2801IXN-4.5-T1 Datasheet - Page 11

• Manufacturer Part Number: AAT2801IXN-4.5-T1
• Description: Multi-Mode Charge Pump for White LED Backlight and Flash Applications
• Manufacturer: AnalogicTech

Typical Characteristics–Flash Driver Charge Pump Section
V
2801.2006.04.1.3
(50mA/div)
(10mV/div)
IN
= 3.5V, C
100
90
80
70
60
50
40
30
20
10
V
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
0
I
OUT
OUT
0.1
0
Output Voltage vs. Output Current
V
IN
IN
Efficiency vs. Load Current
= 3.5V
= 2.2µF, C
40
1.0
Load Current (mA)
V
Output Current (mA)
IN
Load Response
= 2.7V
Time (5ms/div)
(100mA Load)
80
V
3
IN
V
= C
= 3.3V
10
IN
= 2.7
V
F
IN
= 3.0V
= 1.0µF, T
120
V
V
IN
IN
=3.3
= 3.6V
100
160
V
White LED Backlight and Flash Applications
A
V
IN
IN
= 25°C, unless otherwise noted.
= 3.0
=3.6
1000
200
(20mA/div)
(10mV/div)
Maximum Current Pulse vs. Supply Voltage
100
600
500
400
300
200
100
V
90
80
70
60
50
40
30
20
10
I
0
0
OUT
OUT
Multi-Mode Charge Pump for
2.7
3.0
100mA
50mA
Efficiency vs. Supply Voltage
V
IN
150mA
3.0
= 3.5V
3.2
One-shot pulse duration = 250ms
V
Supply Voltage (V)
3.3
OUT
Supply Voltage (V)
3.4
Load Response
> 4.0V
Time (5ms/div)
(50mA Load)
3.6
3.6
3.9
3.8
4.2
4.0
4.5
11
4.2