AAT2869 Advanced Analogic Technologies, Inc., AAT2869 Datasheet - Page 6

• Manufacturer Part Number: AAT2869
• Description: Fade-in/fade-out 4 Channel Backlight Driver With Dual Ldos
• Manufacturer: Advanced Analogic Technologies, Inc.

Typical Characteristics
6
SystemPower
100
32.5
31.7
30.9
30.1
29.3
28.5
90
80
70
60
50
40
-0.2
-0.6
-1.0
1.0
0.6
0.2
2.7
2.7
-40
CP Current Matching vs. Temperature
LDO Line Regulation vs. Input Voltage
CP Efficiency vs. Input Voltage
3.1
3.1
(V
-15
IN
= 3.6V; V
3.5
3.5
TM
Input Voltage
Temperature (°C)
Input Voltage (V)
(V
10
3.9
3.9
F
OUT
= 3.3V; 31mA/ch)
= 1.2V)
4.3
4.3
35
V
V
V
V
(V)
F
F
F
F
= 3.3V, I
= 3.2V, I
= 3.1V, I
= 2.9V, I
Fade-In/Fade-Out 4 Channel Backlight Driver with Dual LDOs
4.7
4.7
LED
LED
LED
LED
60
5.1
= 31mA
= 20mA
= 10mA
= 5mA
5.1
85°C
25°C
-40°C
D1
D2
D3
D4
5.5
w w w . a n a l o g i c t e c h . c o m
85
5.5
0.50
0.46
0.42
0.38
0.34
0.30
-0.6
-1.2
-1.8
950
930
910
890
870
850
1.8
1.2
0.6
0.0
-40
LDO Load Regulation vs. Output Current
-40
CP Current Matching vs. Temperature
0.1
(V
Frequency vs. Temperature
-15
-15
IN
= 3.6V; V
PRODUCT DATASHEET
1
Load Current (mA)
Temperature (° ° C)
Temperature (°C)
(V
10
10
F
OUT
= 3.3V; 0.5mA/ch)
AAT2869
= 1.2V)
10
35
35
2869.2010.01.1.0
100
60
60
85°C
25°C
-40°C
D1
D2
D3
D4
1000
85
85