Flux Characteristics - White, High Efficacy ........................................................................................................................................................ 15
Flux Characteristics - Royal Blue ......................................................................................................................................................................... 20
Relative Spectral Power Distribution - White ...................................................................................................................................................... 21
Relative Spectral Power Distribution - Royal Blue .............................................................................................................................................. 21
Relative Luminous Flux vs. Junction Temperature - White ............................................................................................................................... 22
Relative Radiant Flux vs. Junction Temperature - Royal Blue ........................................................................................................................... 22
Electrical Characteristics - White, Standard, Royal Blue .................................................................................................................................... 23
Electrical Characteristics - White, High Efficacy ................................................................................................................................................ 23
Relative Luminous Flux vs. Current - White ........................................................................................................................................................ 24
Relative Radiant Flux vs. Current - Royal Blue .................................................................................................................................................... 24
Relative Chromaticity vs. Current and Temperature .......................................................................................................................................... 25
Typical Spatial Distribution - White ..................................................................................................................................................................... 26
Typical Spatial Distribution - Royal Blue ............................................................................................................................................................. 26
Thermal Design - White ....................................................................................................................................................................................... 27
Thermal Design - Royal Blue................................................................................................................................................................................ 27
Performance Groups - Luminous Flux ................................................................................................................................................................ 28
Performance Groups - Radiant Flux .................................................................................................................................................................... 28
Performance Groups - Dominant Wavelength ................................................................................................................................................... 29
Performance Groups - Forward Voltage ............................................................................................................................................................. 29
Performance Groups - Chromaticity ................................................................................................................................................................... 29
Cree’s White Chromaticity Regions Plotted on the CIE 1931 Curve.................................................................................................................. 33
Cree’s Cool White Kits Plotted on ANSI Standard Chromaticity Regions ......................................................................................................... 34
Cree’s White Kits Plotted on ANSI Standard Chromaticity Regions.................................................................................................................. 35
Cree’s Warm and Neutral White Kits Plotted on ANSI Standard Chromaticity Regions .................................................................................. 36
Cree’s 2200 K CCT White Kit Plotted on ANSI Standard Chromaticity Regions............................................................................................... 37
Cree’s Standard Chromaticity Kits ...................................................................................................................................................................... 37
Tape and Reel ....................................................................................................................................................................................................... 43
I recently bought a DC water pump, 24v5A, and the power supply is a low-quality switching power supply, also 5A. I am a little worried that the startup current of the water pump is too large, but it s...
The 6A monolithic H-bridge controller using self-insulated vertical CMOS process is designed for automotive electronics. The controller integrates system-level interface circuits and control strategie...
A few days ago, I made a small development board (the layout and soldering are terrible, so I won't show it to you, haha). There is a spreadsheet experiment in it. The key query program in the book is...
I am using f28016 and only turned on the eva timer. However, when an interrupt occurs, TBPRD and TBCTR are not equal. TBCTR is always smaller than TBPRD. What is the problem? The program is as follows...
[i=s]This post was last edited by manhuami2007 on 2022-2-23 17:06[/i]1. Unboxing photosI have received the development board of Pingtou Ge. There are many components on the board, including many funct...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Motor Drive Control（Motor Control）
京公网安备 11010802033920号
EEWORLD
