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MC34270FB Просмотр технического описания (PDF) - Motorola => Freescale
Номер в каталоге
Компоненты Описание
производитель
MC34270FB
Liquid Crystal Display and Backlight Integrated Controller
Motorola => Freescale
MC34270FB Datasheet PDF : 12 Pages
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MC34270 MC34271
Figure 12. Auxiliary Supply Configuration
SW1
32
DS1
1
EN1
ÎÎ
26
VDD
8 Drv1
÷
2
31 Sync
Circuit #1 Bias Supply
En
S
Q
R
÷
N
OSC
D1
7
S1
6
ELD
9
VDD
11
Mode
12 V
– 27 V
VDD
5.0 V to 16 V
169 k
30 RT
Vref
27
1.25 V
2
Ref1
12 V
VB
3
FB1
4 Comp1
SS1
5
LCD
Contrast
DAC
Ref2
23
22 FB2
Comp2
21
SS2
20
S
Q
R
En
ÎÎÎ
VDD
VDD2
Circuit #2
Bias Supply
10
D2
18
S2 19
VB
17
V0
V0
16
VB
6.0 V to 30 V
DS2
24
V1
V1
15
25 EN2
VA
28
BIAS
V2
14
VDD2
V3
13
V2
V3
LCD
Display
Gnd
29
VDD2
V4
V4
12
8
MOTOROLA ANALOG IC DEVICE DATA
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