LD40044AD PDF – 4 inch 4×4 Dot Matrix LED Display

Part Number: LD40044AD

Function: 4.00 inch 4×4 Dot Matrix LED Display

Manufacturer: LIGHTKEY ( www.ltkey.com )

Images:

1 page
LD40044AD pdf datasheet

Description

LD40044AD is 4.00 inch 4×4 Dot Matrix LED Display. Dot matrix LED display is a display technology in which small LED (Light Emitting Diode) pixels are arranged in a matrix of rows and columns. Each pixel can be turned on or off, allowing you to control the pixel to display text, numbers, graphics, or animation. Typically, dot matrix LED displays are used to visually display information or convey information such as advertising, time, temperature, weather information, parking space availability, etc.

Features

1. 108.80 mm (4.00 inch) digit high

2. Dot size: Diameter 20.00 mm

3. Pitch: 27.20 mm

4. Wide viewing angle

5. Range of emitted colors

6. I.C. compatible

7. Low power consumption

8. White dot, grey or black face

 

2 page
LD40044AD led display

Available options :

1. Alternative emitting luminosity : Standard or high brightness version

2. Alternative emitted color

3. Alternative dot color

4. Alternative face

Other data sheets are available within the file:

LD40044AR, LD40044BR, LD40044APG, LD40044BPG, LD40044AUW, LD40044BUW

 

LD40044AD Datasheet PDF

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BP2833D PDF Datasheet – Buck Offline LED Driver

Part Number: BP2833D

Function: Non-isolated Buck Offline LED Driver

Package: DIP 8 Pin Type

Manufacturer: BPS ( www.bpsemi.com )

Images:BP2833D pdf

Description

The BP2833D is a high precision buck constant current LED driver. The device operates in critical conduction mode and is suitable for 85Vac~265Vac universal input offline LED lighting.

The BP2833D integrates a 500V power MOSFET. With patent pending MOSFET driving technique, the operating current of the IC is very low. So it doesn’t need the auxiliary winding for supplying the chip. It can achieve excellent constant current performance with very few external components, so the system cost and size are minimized.

A Buck Offline LED Driver is an electronic circuit or device designed to efficiently power and control LEDs (Light Emitting Diodes) from an AC (Alternating Current) input voltage source. This type of LED driver is used to convert higher AC voltages (e.g., mains voltage) to a lower and regulated DC (Direct Current) voltage suitable for driving LEDs. “Buck” refers to a specific type of DC-DC converter topology used for this purpose.

Pinouts
BP2833D pinout datasheet

 

Features

1. Critical Conduction Mode Operation

2. Internal 500V Power MOSFET

3. No Auxiliary Winding

4. Ultra Low Operating Current

5. ±5% LED Output Current Accuracy

 

Applications:

1. LED Tube

2. LED Ceiling Light

3. LED Bulb

4. Other LED Lighting

BP2833D PDF Datasheet