Product Specification

LP173WF4

Liquid Crystal Display

Ver. 0.0

Oct. 15, 2013

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3. Electrical Specifications

3-1. Electrical Characteristics

Table 2. ELECTRICAL CHARACTERISTICS

The LP173WF4 requires two power inputs. One is employed to power the LCD electronics and to drive the

TFT array and liquid crystal. The second input which powers the LED BL.

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

-

334

394

mA

2

Power Consumption

-

1.1

1.3

W

3

Power Supply Inrush Current

-

1500

mA

4

eDP Impedance

90

100

110

Ω

4

BACKLIGHT : ( with LED Driver)

LED Power Input Voltage

5.5

12.0

21.0

V

6

LED Power Input Current

-

475

500

mA

7

LED Power Consumption

-

5.7

6.0

W

7

LED Power Inrush Current

-

2000

mA

8

PWM Duty Ratio

5

-

100

%

9

PWM Jitter

-

0

-

0.2

%

10

PWM Impedance

20

40

60

kΩ

PWM Frequency

200

-

1000

Hz

11

PWM High Level Voltage

V

PWM_H

2.2

-

5.3

V

PWM Low Level Voltage

V

PWM_L

0

-

0.3

V

LED_EN Impedance

20

40

60

kΩ

LED_EN High Voltage

2.2

-

5.3

V

LED_EN Low Voltage

0

-

0.3

V

Life Time

12,000

-

-

Hrs

12