AAT2801IXN-4.5-T1 AnalogicTech, AAT2801IXN-4.5-T1 Datasheet - Page 9

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

Typical Characteristics–White LED Backlight Driver Section
V
2801.2006.04.1.3
(10mA/div)
(10mA/div)
(20mV/div)
(20mV/div)
(20mV/div)
(40mV/div)
IN
= 3.5V, C
90
80
70
60
50
40
30
20
10
0
2.7
V
V
V
V
I
I
DX
CP
DX
CP
IN
IN
V
Input Current vs. Input Voltage
DIODE
3.1
IN
= 2.2µF, C
= 3.0V
Operating Characteristics
Operating Characteristics
(I_D
3.5
(I_D
Input Voltage (V)
X
= 4x15mA; 1.5X Mode)
X
V
(4x10mA)
= 4x30mA; 1.5X Mode)
3.9
DIODE
Time (1µs/div)
Time (1µs/div)
CP
= 3.4V
= C1 = C2 = 1.0µF; T
4.3
4.7
V
V
5.1
White LED Backlight and Flash Applications
IN
IN
= 3.0V
= 3.5V
5.5
A
= 25°C, unless otherwise noted.
(20mV/div)
(10mA/div)
(20mV/div)
(40mV/div)
(20mV/div)
(10mA/div)
(40mV/div)
(40mV/div)
300
250
200
150
100
50
0
2.7
V
V
V
V
Multi-Mode Charge Pump for
V
V
DX
I
CP
DX
I
CP
IN
IN
F
F
(I_D
(I_D
V
Input Current vs. Input Voltage
3.1
DIODE
X
X
Operating Characteristics
Operating Characteristics
= 4x15mA; 1.5X Mode; I
= 4x30mA; 1.5X Mode; I
= 3.0V
3.5
Input Voltage (V)
(4x30mA)
V
3.9
Time (1µs/div)
Time (1µs/div)
DIODE
= 3.4V
4.3
OUT
OUT
4.7
= 100mA)
= 100mA)
V
5.1
IN
= 3.0V
5.5
9