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| AAT2845A Datasheet, PDF (16/19 Pages) Advanced Analogic Technologies – Four-Channel Backlight Driver with Dual LDOs | |||
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AAT2845A
Four-Channel Backlight Driver with Dual LDOs
DC+
123
J1
Optional 100μF capacitor
to bypass lab supply
C9
100μF
OUTB
Programmed for 2.8V output
R10
160K
R11
120K
C6
2.2μF
VOUT
D1 D2 D3 D4
C4
2.2μF
20 19 18 17
U1
AAT2845A
1 D2
2 D1
3 LDOB
4 IN
5 PGND
6 IN
D4 16
ENLDO 15
EN/SET 14
C1+ 13
C1- 12
OUTCP 11
7 8 9 10
C7
0.1μF
C1 1.0μF
C3
1.0μF
ENL
EN/SET
C2
1.0μF
R8
60.4K
R9
120K
C5
2.2μF
OUTA
Programmed for 1.8V output
Figure 5: AAT2845A Section Schematic.
16
2845A.2007.05.1.0
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