NEC PD78F9488 Manuale Utente
362
User’s Manual U15331EJ4V1UD
CHAPTER 23 CHARACTERISTICS CURVES OF LCD CONTROLLER/DRIVER
(REFERENCE
VALUES)
(1) Characteristics curves of voltage boosting stabilization time
The following shows the characteristics curves of the time from the start of voltage boosting (VAON0 = 1) and
the changes in the LCD output voltage (when GAIN is set as 1 (using the 3 V display panel)).
the changes in the LCD output voltage (when GAIN is set as 1 (using the 3 V display panel)).
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
LCD output voltage [V]
V
DD
= 4.5 V V
DD
= 5 V V
DD
= 5.5 V
0
500
1000
1500
2000
2500
3000
3500
4000
Voltage boosting time [ms]
V
LCD0
V
LCD1
V
LCD2
LCD output voltage/Voltage boosting time