AAT2869 Advanced Analogic Technologies, Inc., AAT2869 Datasheet - Page 8

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

Typical Characteristics
(200mA/div)
(200mA/div)
8
SystemPower
(20mA/div)
(20mA/div)
(1A/div)
(2V/div)
(2V/div)
(2V/div)
(5V/div)
(2V/div)
(2V/div)
(2V/div)
V
V
V
V
LDOA
LDOB
I
V
I
EN
OUT
OUT
EN
LED
LED
I
EN
I
I
(V
IN
IN
IN
(V
IN
0
0
0
0
0
0
0
0
0
0
0
0
= 3.6V; C
IN
= 3.6V; C
V
TM
(V
CP Current Transient
IN
LDOA
IN
= C
IN
= 3.6V; 31mA to 0.5mA)
LDO Turn On
= 2.2μF; C
CP Turn On
= 2.8V; V
Time (100μs/div)
OUT
Time (40μs/div)
Time (40μs/div)
= 1μF; C
LDOB
LDOA
F
Fade-In/Fade-Out 4 Channel Backlight Driver with Dual LDOs
= 1.2V)
= 56nF; 20mA/ch)
= C
LDOB
= 2.2μF;
w w w . a n a l o g i c t e c h . c o m
(100mA/div)
(200mA/div)
(20mA/div)
(20mA/div)
(1A/div)
(2V/div)
(2V/div)
(2V/div)
(5V/div)
(2V/div)
(2V/div)
(2V/div)
V
V
V
V
LDOA
LDOB
I
V
I
EN
OUT
OUT
EN
LED
LED
I
EN
I
I
(V
IN
IN
IN
(V
IN
0
0
0
0
0
0
0
0
0
0
0
0
= 3.6V; C
IN
= 3.6V; C
PRODUCT DATASHEET
V
(V
CP Current Transient
IN
LDOA
IN
= C
IN
= 3.6V; 0.5mA to 31mA)
LDO Turn On
= 2.2μF; C
CP Turn Off
= 3.0V; V
Time (100μs/div)
OUT
Time (40μs/div)
Time (100μs/div)
AAT2869
= 1μF; C
LDOB
LDOA
F
= 1.8V)
= 56nF; 31mA/ch)
= C
2869.2010.01.1.0
LDOB
= 2.2μF;