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| AAT2845 Datasheet, PDF (16/19 Pages) Advanced Analogic Technologies – Four-Channel Backlight Driver with Dual LDOs | |||
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AAT2845
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
AAT2845
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: AAT2845 Section Schematic.
16
2845.2006.12.1.0
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