LC370WX1 View Datasheet(PDF) - LG

Part Name

Description

Manufacturer

LC370WX1

Liquid Crystal Display

LG 

Product Specification

LC370WX1

Liquid Crystal Display

3-6. Power Sequence

Power Supply For LCD

VLCD

0V

90%

10%

90%

10%

Interface Signal (Tx)

Option Signal

(DISM, DCR_Enable)

Power for Lamp

T1 T2

Valid Data

T5 T6 T7

T3

T8

T4

T9

Lamp ON

Table 9. POWER SEQUENCE

Parameter

T1

T2

T3

T4

T5

T6

T7

T8

T9

Value

Unit

Min

Typ

Max

1.0

-

20

ms

5.0

-

50

ms

200

-

-

ms

200

-

-

ms

0.5

-

50

ms

-

-

300

ms

2.0

-

-

s

0 < T8 < T2

ms

0 < T9 < T5

ms

Note :

1. Please avoid floating state of interface signal at invalid period.

2. When the interface signal is invalid, be sure to pull down the power supply VLCD to 0V.

3. The case when the T2/T5 exceed maximum specification, it operates protection

pattern(Black pattern) till valid signal inputted. There is no reliability problem.

4. The T3/T4 is recommended value, the case when failed to meet a minimum specification,

abnormal display would be shown. There is no reliability problem.

5. If the on time of option signal(DISM or AI_Enable) precedes the on time of Power(VLCD),

check the LCD logic Power(Vcc) is under 0.8V, otherwise it will be happened abnormal display.

Ver. 1.0

Jul.27, 2005

15 / 28

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