Epson SED1570 Series Manual técnico - Página 31

Procurar online ou descarregar pdf Manual técnico para Software Epson SED1570 Series. Epson SED1570 Series 40 páginas. Lcd driver with ram

Epson SED1570 Series Manual técnico
SED1520 Series
Relationship between f
*9
• Relationship between oscillation frequency, frames and Rf
(SED1520F
), (SED1522F
0A
40
30
20
V
=-3V
SS
10
0
0.5
• Relationship between external clocks (f
(SED1520F
) , (SED1522F
AA
*10 • Operating voltage range of V
2–22
, f
and R
, and operating bounds on V
OSC
FR
f
)
0A
Ta=25°C V
=-5V
SS
V
=-5V
SS
1.0
1.5
2.0
2.5
Rf
[M ]
Figure 5 (a)
CL
)
AA
200
100
0
and V5 systems
SS
–15
–10
–5
0
OSC1
Rf
OSC2
200
100
SED1520
0
0.5
) and frames
1
2
f CL
[kHz]
Figure 5 (c)
Operating voltage
range
–2
–4
–6
V
(V)
SS
Figure 6
EPSON
and V5
SS
Same for 1/16 and 1/32 duties
Ta=25°C V
=-5V
SS
SED1522
1.0
1.5
2.0
Rf
[M ]
Figure 5 (b)
duty1/32
duty1/16
duty1/8
3
–8
2.5