LD-14115-9

6. Electrical Characteristics

 

 

 

 

 

 

 

6-1. TFT-LCD panel driving

 

 

 

 

 

Ta25

 

 

Parameter

Symbol

Min.

Typ.

Max.

Unit

Remark

 

 

Vcc

Supply voltage

Vcc

+11.4

+12.0

+12.6

V

Note1

 

 

 

Current dissipation

Icc

390

600

mA

Note2

 

 

Permissive input ripple voltage

VRF

100

mVp-p

 

 

 

Input voltage (Low)

VIL

0

+0.6

V

SELLVDS

 

 

Input voltage (High)

VIH

+2.7

+3.3

V

SELLVDS

 

 

Input current (Low)

IIL

500

μA

SELLVDS

 

 

 

 

 

 

 

 

 

VI=GND

 

 

Input current (High)

IIH

100

μA

SELLVDS

 

 

 

 

 

 

 

 

 

VI=Vcc

 

 

Output voltage (Low)

VOL

0.4

V

BLON:IOL=-1mA

 

 

Output voltage (High)

VOH

2.4

V

BLON:IOH=1mA

 

Note1

1On-off sequences of Vcc and data 0t160ms 0t210ms

0t31s

t4100ms

Vcc

11.4V

11.4V

Vcc

 

 

DE,CK ,Data

 

 

DE,CK,Data

 

1.0V

1.0V

 

 

 

t3

 

t4

t1

t2

 

 

 

 

 

 

 

2Dip conditions for supply voltage

 

 

Vcc

 

Vmin,Vth=11.4V, 9.6V

 

 

 

 

 

 

 

 

 

 

1)

Vth VccVmin

 

 

 

 

 

 

 

 

 

 

 

td20ms

 

 

 

 

 

2)

VccVth

 

 

Vth

Vmin

 

The LCD module shuts down.

 

 

 

 

 

 

 

 

td

Note2Typical current situation : 256-gray-bar pattern

R G B R G B

R G B

. . . .

R G B R G B

Vcc=+12.0V

G S 0 G S 1

G S 2

G S 2 5 4 G S 2 5 5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The explanation of each gray scale ,GS,

 

 

 

 

 

 

 

is described below section 8.