LM185WH2 datasheet(6/31 Pages) LG

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Product Specification

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LM185WH2

Liquid Crystal Display

Ver. 1.0

JUN., 21, 2010

3. Electrical specifications

3-1. Electrical characteristics

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

TFT array and liquid crystal. The second input power for the CCFL/Backlight, is typically

generated by an inverter. The inverter is an external unit to the LCDs.

Table 2. Electrical characteristics

Notes :

1. The specified current and power consumption are

under the VLCD=5.0V, 25

± 2°C,fV=60Hz condition

whereas mosaic pattern(8 x 6) is displayed and f

V is the frame frequency.

2. The current is specified at the maximum current pattern.

3. Permissive power ripple should be measured under VCC=5.0V, 25°C, f

V (frame frequency)=75Hz

condition and At that time, we recommend the bandwidth configuration of oscilloscope

is to be under 20MHz.

4. The duration of rush current is about 5ms and rising time of power Input is 500us

± 20%.

LCD-BLACK

Vdc

5.5

5.0

4.5

LCD

Power Supply Input Voltage

1170

900

Watt

4.70

3.60

LCD

Power Consumption

3.0

RUSH

Inrush current

0.35

LCD

Permissive Power Input Ripple

940

720

LCD-MOSAIC

Power Supply Input Current

MODULE :

Parameter

Symbol

Max

Typ

Min

Notes

Unit

Values

Mosaic Pattern(8 x 6)

White : 255Gray

Black : 0Gray

power consumption measurement

Full Black Pattern

power input ripple

FIG.3 pattern for Electrical characteristics

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