AAT2801 AAT, AAT2801 Datasheet - Page 5

• Manufacturer Part Number: AAT2801
• Description: Multi-Mode Charge Pump
• Manufacturer: AAT

Typical Characteristics–White LED Backlight Driver Section
V
2801.2006.04.1.3
IN
100
100
90
80
70
60
50
40
30
90
80
70
60
50
40
30
= 3.5V, C
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
2.9
2.9
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_D
3.0
3.0
Code 28
Code 26
(Code 23; EN_FLSH On; I
3.1
X
3.1
IN
= 3.0V
3.0V
3.2
= 2.2µF, C
3.2
(D1-D2 = 3.5V; D3-D4 = 3.2V)
Operating Current
F
3.3
3.3
Efficiency vs. V
Code 32
Input Voltage (V)
Efficiency vs. V
Input Voltage (V)
Input Voltage (V)
V_D
3.4
3.4
(Code 26)
X
3.5
3.5
CP
= 3.3V
3.6
= C1 = C2 = 1.0µF; T
3.6
3.7
3.7
OUT
3.5V
3.8
3.8
IN
= 100mA)
IN
3.9
3.9
F
4.0
4.0
White LED Backlight and Flash Applications
4.1
4.1
4.2
4.2
A
= 25°C, unless otherwise noted.
100
90
80
70
60
50
40
30
5.0
4.0
3.0
2.0
1.0
0.0
2.9
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
Multi-Mode Charge Pump for
V_D
3.0
(D1 = 3.5V; D2 = 3.3V; D3 = 3.2V; D4 = 3.0V)
Code 28
X
Code 26
3.1
= 3.0V
3.2
(Code 23; EN_FLSH Off)
Operating Current
Efficiency vs. V
3.3
Code 32
Input Voltage (V)
Input Voltage (V)
V_D
3.4
X
3.5
= 3.3V
3.6
3.7
IN
3.8
3.9
4.0
4.1
4.2
5