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