Encore ENPUH-302 Instrukcja Użytkownika Pobierz pdf (Strona 7)

Product Specification

LC370EUN

Ver. 1.0

3. Electrical Specifications

3-1. Electrical Characteristics

It requires two power inputs. One is employed to power for the LCD circuit. The other Is used for the LED

backlight and LED Driver circuit.

Table 2. ELECTRICAL CHARACTERISTICS

1. The specified current and power consumption are under the V

LCD

=12.0V, Ta=25 ± 2°C, f

=60Hz

condition, and mosaic pattern(8 x 6) is displayed and f

is the frame frequency.

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

3. The duration of rush current is about 2ms and rising time of power input is 0.5ms (min.).

4. ExtV

BR-B

signal have to input available duty range and sequence.

After Driver ON signal is applied, ExtV

BR-B

should be sustained from 5% to 100% more than 500ms.

After that, ExtV

BR-B

1% and 100% is possible

For more information, please see 3-6-2. Sequence for LED Driver.

5. Ripple voltage level is recommended under ±5% of typical voltage

Mosaic Pattern(8 x 6)

White : 255 Gray

Black : 0 Gray

Notes

Parameter Symbol

Value

Unit Note

Min Typ Max

Circuit :

Power Input Voltage VLCD 10.8 12.0 13.2 VDC

Power Input Current ILCD

- 510 663 mA 1

- 760 988 mA 2

Power Consumption PLCD 6.1 8.0 Watt 1

Rush current IRUSH - - 5.0 A 3

Brightness Adjust for Back Light

ExtV

BR-B

5 - 100 %

On Duty

1 - 100 %

ExtV

BR-B

Frequency

40 50/60 80 Hz

Pulse Duty Level

(PWM)

High Level

2.5 - 3.6 Vdc

HIGH : on duty

LOW : off duty

Low Level

0 - 0.8 Vdc

5/36

1 2 3 4 5 6 7 8 9 10 11 12 ... 36 37

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