AAT1407 Advanced Analogic Technologies, Inc., AAT1407 Datasheet - Page 15

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

1407.2010.06.1.0
SwitchReg
Figure 5: AAT1407IMK Evaluation Board
TM
10μF
35V
6 Channel LED Backlight Driver with Integrated Boost and High Frequency Direct PWM Dimming
V
5V - 26V
C1
IN
Top Side Layout.
JP3
C2
2.2μF
10V
JP1
15nF
L1 Sumida, CDRH5D28RHPNP-4R7N, 4.7μH, 3.7A, DCR = 43.1mΩ
D1 Vishay, Schottky Barrier Diode, MSS1P6, 1A, 60V
C1 Taiyo Yuden, GMK325BJ106KN-T, 10μF, 35V, X5R,1210; OR Murata GRM32ER71H106K, 10μF, 50V, X7R, 1210
C2 2.2μF, 10V, 0603
C3 Cap, 15nF, 10V, 0603
C4 Murata, GRM31CR71H225KA88L, 2.2μF, 50V, X7R, 1206
R1, R2, R3, R4 Carbon Film resistors, 1%, 0603
C3
Figure 4: AAT1407IMK Evaluation Board Schematic.
JP5
JP2
7.5k
R2
4.99k
R1
23
24
22
16
15
5
2
1
U1
TQFN34-24
L1 4.7μH
PWM
COMP
RSET
SYNC
VCC
FSET
EN
IN
w w w . a n a l o g i c t e c h . c o m
AAT1407
19
LX
GND
GND
OVP
CS1
CS2
CS3
CS4
CS5
CS6
MSS1P6
D1
17
6
7
8
9
11
12
13
14
12.1k
442k
R3
R4
Figure 6: AAT1407IMK Evaluation Board
V
OUT
C4
2.2μF
50V
0805
Bottom Side Layout.
PRODUCT DATASHEET
10 LEDs in series
AAT1407
15