AAT1407 Advanced Analogic Technologies, Inc., AAT1407 Datasheet - Page 8

• Manufacturer Part Number: AAT1407
• Description: 6 Channel Led Backlight Driver With Integrated Boost And High Frequency Direct Pwm Dimming
• Manufacturer: Advanced Analogic Technologies, Inc.

Typical Characteristics
(50mA/div)
(50mA/div)
8
SwitchReg
(10V/div)
(20V/div)
(1A/div)
(1A/div)
EN/SET
(5V/div)
(1V/div)
PWM
V
V
I
I
OUT
OUT
OUT
OUT
I
I
LX
LX
37V
12V
TM
(V
(V
PWM Switching Waveforms
6 Channel LED Backlight Driver with Integrated Boost and High Frequency Direct PWM Dimming
IN
IN
= 12V; V
= 12V; V
L = 4.7μH; I
L = 4.7μH; I
Time (100μs/div)
Time (100μs/div)
OUT
OUT
Startup
= 37V; C
= 37V; C
OUT
OUT
= 120mA)
= 120mA)
OUT
OUT
= 2.2μF;
= 2.2μF;
w w w . a n a l o g i c t e c h . c o m
(AC coupled)
(AC coupled)
(200mV/div)
(50mV/div)
(1A/div)
V
OUT
V
I
LX
IN
(V
PRODUCT DATASHEET
IN
Switching Waveforms
= 12V; V
L = 4.7μH; I
Time (500ns/div)
AAT1407
OUT
= 37V; C
OUT
= 120mA)
1407.2010.06.1.0
OUT
= 2.2μF;