- 您现在的位置：买卖IC网 > PDF目录1221 > IRPLCFL8U (International Rectifier)KIT DES FLUOR BALLAST IRS2530D PDF资料下载
参数资料
| 型号： | IRPLCFL8U |
| 厂商： | International Rectifier |
| 文件页数： | 3/27页 |
| 文件大小： | 0K |
| 描述： | KIT DES FLUOR BALLAST IRS2530D |
| 标准包装： | 1 |
| 主要目的： | 照明，镇流器控制 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | IRS2530D |
| 主要属性： | 32W，调光，120 VAC |
| 次要属性： | 预热，自动预热，电压不足保护 |
| 已供物品： | 板，CD |
| 相关产品： | IRS2530DSPBF-ND - IC BALLAST CTRL DIM 600V 8-SOIC IRS2530DSTRPBFDKR-ND - IC DIMMING BALLAST CTRL 8-SOIC IRS2530DSTRPBFCT-ND - IC DIMMING BALLAST CTRL 8-SOIC IRS2530DSTRPBFTR-ND - IC DIMMING BALLAST CTRL 8-SOIC IRS2530DPBF-ND - IC CTRL BALLAST DIMMING 8-DIP |
第1页第2页当前第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页
either independently or both together. Thus with an external switch that has four positions,
it is possible to obtain 3 different light levels or to switch off.
3 Way Dimming Switch
3 Way Dimming Light Bulb
0
1
2
3 0
1
2
3
Live
120V AC Line
Neutral
60W Filament
40W Filament
Figure 2.2: Three way dimming filament lamp system
Figure 2.2 shows how the live and the neutral connect for 4 different configurations
(position 0, 1, 2, and 3). The flow of current for each position is also shown with colored
arrow; no current flows for position 0 (switch off), red arrow for position 1, blue arrow for
position 2, and magenta arrow for position 3. In position 1, the current will flow through
the 40W filament resistor (the lowest dimming level). In position 2, the current will flow
through the 60W filament resistor (intermediate dimming level). In position 3, current
will flow through both filaments, and the system will be at the maximum dimming level.
Existing Ballast Solution
There are in existence CFL ballast designs that provide three way dimming based on
the same switching arrangement shown above. A common approach is a system
whereby the line voltage is full wave rectified when one live input is connected and a
voltage doubler circuit comes into operation when the other live input is connected or
both are connected together thereby having two DC bus voltages in the ballast during
dim level settings. This type of design also operates at two different frequencies, a low
frequency (typically 40-45kHz) when both live inputs are connected providing a high
lamp current and a higher frequency (for example 70-75kHz) when either of the two
lives is connected alone which will produce a lower lamp current. In this way the
following combinations are achieved:
1. Low DC bus (150V) / high frequency ….. minimum output
2. High DC bus (300V) / high frequency …... medium output
3. High DC bus (300V) / low frequency …… maximum output
This approach has some serious drawbacks:
Firstly, since the ballast must be designed to give 100% light output for the lamp when
the bus voltage is 300V and the frequency is 40kHz, it is not easy to achieve
satisfactory preheat and ignition when the bus voltage is at 150V because of the
limitations in the peak voltage that the output circuit is able to produce from a 150Vpp
half bridge voltage.
www.irf.com
RD0803
-3-
相关PDF资料 |
PDF描述 |
|---|---|
| IRPLDIM1U | BALLAST DIMMING 32W/T8 120VAC |
| IRPLDIM2E | KIT BALLAST DIM DIG 230VAC |
| IRPLDIM2U | BALLAST DIM DIG 32W/T8 120VAC |
| IRPLDIM3 | KIT DES FLUOR BALLAST IRS2158D |
| IRPLDIM4E | KIT DES BALLAST 26W IRS2530D |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IRPLCFL9U | 功能描述:电源管理IC开发工具 3 lvl Dim CFL Fluor Ballast Ref dsgn RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRPLDIM1 | 制造商:IRF 制造商全称:International Rectifier 功能描述:Dimming Ballast Control IC Design Kit |
| IRPLDIM1E | 功能描述:KIT BALLAST DIMMING 230VAC RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 类型:MCU 适用于相关产品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、缆线、软件、数据表和用户手册 其它名称:520-1035 |
| IRPLDIM1U | 功能描述:BALLAST DIMMING 32W/T8 120VAC RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 类型:MCU 适用于相关产品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、缆线、软件、数据表和用户手册 其它名称:520-1035 |
| IRPLDIM2A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Digitally Addressable DALI Dimming Ballast Reference Design |
发布紧急采购，3分钟左右您将得到回复。