Product Specification

LP173WD1

Liquid Crystal Display

3-7. Power Sequence

Power Supply Input

90%

90%

Interface Signal, V

i

LVDS

Power Supply Input

VCC

10%

10%

0V

0V

Valid Data

Dimming control signal

LED on/off control Signal

LED_EN

Valid Data

0V (Off)

Table 6. POWER SEQUENCE TABLE

Of LED BL

PWM

0V (Low)

LED input Voltage

VLED

0V

90%

10%

Parameter

Value

Units

Min.

Typ.

Max.

0.5

-

10

ms

0-

50

ms

0-

50

ms

400

-

-

ms

200

-

-

ms

200

-

-

ms

3-

10

ms

10

-

-

ms

0-

-

ms

0-

-

ms

T

10

ms

Ver. 1.0

27.May, 2009

12/ 30

Note)

1. Valid Data is Data to meet “3-3. LVDS Signal Timing Specifications”

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

3. When the interface signal is invalid, be sure to pull down the power supply for LCD VCC to 0V.

4. LED power must be turn on after power supply for LCD and interface signal are valid.

10

--

ms