Datasheet
DEM 480128A VMH-PW-N Production Specification
Version: 3 PAGE: 5
4. DC Characteristics
Item Symbol Min. Typ. Max. Unit
Digital Interface Supply Voltage VCC 3.0 3.3 3.6 V
Logic Low input voltage V
IL
GND - 0.3*VCC V
Logic High input voltage V
IH
0.7*VCC - VCC V
Logic Low output voltage V
OL
GND - GND+0.4 V
Logic High output voltage V
OH
VCC-0.4 - VCC V
Current Consumption
All Black
Logic
I
CC+
I
IN
- 10 40 mA
Analog
5. Backlight Characteristic
5.1. Backlight Characteristics
Item Symbol Condition Min. Typ. Max. Unit
Forward Voltage VF Ta=25 ºC, I
F
=20mA/LED
17.4 19.2 20.4 V
Forward Current IF Ta=25 ºC, V
F
=3.2V/LED - 40 - mA
Power dissipation PD -
768 -
mW
LED Life Time(25 ºC) - - (30,000)
- - Hr
Uniformity Avg 80 - - %
Drive method Constant current
LED Configuration 12 White LEDs (6 LEDs in one string and 2 groups in parallel)
Note: LED life time defined as follows: The final brightness is at 70% of original brightness.
The environmental conducted under ambient air flow, at Ta=25±2 ºC, 60%RH±5%, IF≤20mA.
5.2. Backlighting Circuit
A
K
B/L CIRCUIT DIAGRAM