LQ043T3DX02 Sharp Electronics, LQ043T3DX02 Datasheet - Page 12

• Manufacturer Part Number: LQ043T3DX02
• Manufacturer: Sharp Electronics

Specifications of LQ043T3DX02

• Lead Free Status / Rohs Status: Compliant

【 Note 5 】
・rush current measurement timing
AVDD
VCC
Vsync
I
・Power supply voltage VCC ： 2.5V AVDD ： 5.0V
・Disp signal
・Other input signals
・Measurement system
DISP
Icc
AVDD
An example of rush current measurement
◎Measurement conditions
◎Measurement Example
Measurement 1
VCC：2.5V
Y：20mA/Div., 2V/Div., X：0.003ms/Div.
0.3V
2.3V
Rising Time
0.01ms
I
CC
Rising Time
0.01ms
about 100mA
Measurement 1
Peak Current
0.3V
： GND
： OFF ⇒ ON
： refer to right Fig.
Measurement 2
Rising Time
0.5ms
4.8V
Y：20mA/Div., 2V/Div., X：0.08ms/Div.
AVDD:5.0V
Measurement 2
I
These rush current won’t flow stationary,
these will flow at the timing shown in Measurement 3.
AVDD
： refer to following Fig.
about 80mA
Peak Current
①
Measurement 3
Rising Time
0.5ms
Measurement part
VCC
Y：50mA/Div., 5V/Div., X：4ms/Div.
Measurement 3
AVDD
I
4.7uF
AVDD
LCM- 05042 Page 11 of 23
Vsync
LCD Module Side
①
Peak Current
about 100mA
I
Icc
AVDD
②
Disp
②
0.1uF
2.2uF