LG P7200 - Page 52

3. TECHNICAL BRIEF
- 53 -
LCD BACKLIGHT, FLASH LED CHARGE PUMP
(AAT2806IXN-4.5-T1,U402)
LCD BACKLIGHIT LED/FLASH LED CHARGE PUMP
FB406
680R404
C419
27p
FB404
47K
R407
VBAT
FB402
FB403
C416
1u
R408
47K
C420
27p
FB401
1uC406
C415
1u
27p
C418
C417
27p
EN_SET
10
9
GND
5
ISINK1
6
ISINK2
ISINK3
7
ISINK4
8
PGND
17
4
VIN
13
VOUT_BL
3
VOUT_FL
R403 22
AAT2806IXN-4.5-T1
11
C1+
12
C1-
14
C2+
15
C2-
2
C3+
C3-
1
EN_FLSH
16
U402
1u
C413
FB405
R405 0
C408 1u
1uC407
C_FLASH
MLED1
MLED2
MLED4
MLED3
CAM_FLASH
LCD_DIM_CTRL
VMLED
Figure 3-30. CHAGE PUMP