Product Specification

LP140WD2

Liquid Crystal Display

Ver. 1.0

Dec. 16. 2010

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3. Electrical Specifications

3-1. Electrical Characteristics

The LP140WD2 requires two power inputs. The first logic is employed to power the LCD electronics and to

drive the TFT array and liquid crystal. The second backlight is the input about LED BL with LED Driver.

Table 2. ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Values

Unit

Notes

Min

Typ

Max

LOGIC :

Power Supply Input Voltage

3.0

3.3

3.6

V

1

Power Supply Input Current

Mosaic

-

275

317

mA

2

Black

-

365

420

mA

3

Power Consumption

-

0.91

1.1

W

2

Power Supply Inrush Current

-

-

2000

mA

4

LVDS Impedance

90

100

110

Ω

5

BACKLIGHT : ( with LED Driver)

LED Power Input Voltage

7.0

12.0

21.0

V

6

LED Power Input Current

-

325

350

mA

7

LED Power Consumption

-

3.9

4.2

W

7

LED Power Inrush Current

-

-

2000

mA

8

PWM Duty Ratio

1

-

100

%

9

PWM Jitter

-

0

-

0.2

%

10

PWM Impedance

20

40

60

kΩ

PWM Frequency

-

220

-

Hz

11

PWM High Level Voltage

V

PWM_H

2.2

-

5.3

V

PWM Low Level Voltage

V

PWM_L

0

-

0.5

V

LED_EN Impedance

20

40

60

kΩ

LED_EN High Voltage

_H

2.2

-

5.3

V

LED_EN Low Voltage

_L

0

-

0.5

V

Life Time

12,000

-

-

Hrs

12