AAT1407 Advanced Analogic Technologies, Inc., AAT1407 Datasheet - Page 6

• 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
(L = 10μH; V
6
SwitchReg
Low Side Switch Current Limit vs. Temperature
100
100
90
80
70
60
50
40
30
20
4.8
4.6
4.4
4.2
3.8
3.6
3.4
90
80
70
60
50
40
30
20
5
4
-40
Boost Efficiency vs. PWM Duty Cycle
0
6
Boost Efficiency vs. Input Voltage
10
8
CC
(L = 10μH; V
TM
= 4.7V; PWM = V
20
-15
10
6 Channel LED Backlight Driver with Integrated Boost and High Frequency Direct PWM Dimming
30
12
(V
PWM Duty Cycle (%)
IN
Temperature (°C)
Input Voltage (V)
CC
= 5V to 26V)
10
40
14
= 4.7V; F
CC
50
16
; F
SET
35
SET
60
18
= GND; I
V
V
V
= GND)
IN
IN
IN
70
20
= 9V, V
= 12V, V
= 24V, V
60
80
22
OUT
V
V
OUT
OUT
OUT
OUT
OUT
= 180mA)
= 29V
= 36V
= 45V
90
= 29V
= 36V
24
85
w w w . a n a l o g i c t e c h . c o m
100
26
100
4.65
4.55
4.45
4.35
120
100
90
80
70
60
50
40
30
20
4.7
4.6
4.5
4.4
4.3
80
60
40
20
45
0
0
6
(L = 10μH; V
V
Boost Efficiency vs. Load Current
Output Current vs. PWM Duty Cycle
10
CC
70
Line Regulation vs. Input Voltage
20
95
11
(V
PRODUCT DATASHEET
CC
IN
30
120
Output Current
= 4.7V; PWM = V
PWM Duty Cycle (%)
= 12V; I
Input Voltage (V)
40
145
OUT
AAT1407
50
16
170
= 20mA/ch)
60
V
V
V
(mA)
195
CC
IN
IN
IN
= 9V, V
= 12V, V
= 24V, V
; F
70
1407.2010.06.1.0
SET
220
21
80
= GND)
OUT
OUT
OUT
= 28V
245
= 36V
= 46V
90
85°C
25°C
-40°C
270
100
26