- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄377537 > IRPLDIM1U (International Rectifier) Dimming Ballast Control IC Design Kit PDF資料下載
參數(shù)資料
| 型號(hào)： | IRPLDIM1U |
| 廠商： | International Rectifier |
| 英文描述： | Dimming Ballast Control IC Design Kit |
| 中文描述： | 調(diào)光鎮(zhèn)流器控制IC設(shè)計(jì)工具包 |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大?。?/td> | 209K |
| 代理商： | IRPLDIM1U |
10
www.irf.com
Waveforms
Figure 4 shows the voltage appearing across the lamp while Figure 5 shows the current flowing
through the lamp during Startup, Preheat, Ignition and Dim modes.
Figure 4, Lamp voltage during Startup, Preheat,
Ignition and Dim (100%)
Figure 5, Lamp current during Startup, Preheat,
Ignition and Dim (100%) (100mA/div.)
Normal Powerdown
A Normal Powerdown occurs when the AC line voltage is disconnected from the ballast. When this
occurs the voltage on the VDC pin of IC2 drops below the line fault threshold (3V) and IC2 shuts
down in a controlled fashion. The oscillator is stopped, the half-bridge driver outputs (LO and HO)
are turned off and capacitor CPH is discharged. IC2 also goes into its UVLO/micro-power mode and
the bus voltage begins to collapse.
Fault Mode
Fault mode is when the ballast driver is shutdown due to the detection of a lamp fault. Note that when
the ballast is in this Fault mode the power factor correction section of the ballast is also shutdown
and the bus voltage will drop to the non-boosted/unregulated level. There are several lamp fault
conditions which can put the ballast into the Fault mode. The lamp fault conditions detected include:
near/below resonance (under-current) detection, hard-switching detection and over-current detec-
tion. Resistor RCS in the source lead of the low side MOSFET (M3) serves as the current sensing
point for the half-bridge which is used to detect these lamp fault conditions. In operation when the
half-bridge is oscillating, a voltage appears across RCS whenever the low side MOSFET, M3, is
turned on or the high side MOSFET, M2, is turned off. The magnitude of this voltage directly relates
to the current in the lamp resonant circuit. Figure 6 shows the voltage which appears across resistor
RCS during normal Run mode conditions while Figure 14 shows the voltage appearing across the
lamp during the end of Preheat mode, Ignition Ramp mode and the beginning of Run mode. Also
shown in Figure 7 are the gate drive signals for the low side MOSFET (LO pin) and the high side
MOSFET (HO-VS pin).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IRPLDIM2U | Digital Dimming DALI Ballast for 32W/T8 110V input |
| IRPT1053C | Power Module for 1 hp Motor Drives |
| IRPT1053A | Power Module for 0.75kW Motor Drives(0.75kW 馬達(dá)驅(qū)動(dòng)器的功率模塊) |
| IRPT1053D | Power Module for 1 hp Motor Drives |
| IRPT1053E | Power Module for 1 hp Motor Drives |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IRPLDIM2A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digitally Addressable DALI Dimming Ballast Reference Design |
| IRPLDIM2E | 功能描述:KIT BALLAST DIM DIG 230VAC RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶手冊(cè) 其它名稱:520-1035 |
| IRPLDIM2U | 功能描述:BALLAST DIM DIG 32W/T8 120VAC RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板 |
| IRPLDIM3 | 功能描述:電源管理IC開發(fā)工具 3 lvl Dim CFL Fluor Ballast w/IRS2158D RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| IRPLDIM4E | 功能描述:電源管理IC開發(fā)工具 Miniature Dimmable 26W Ballast dsgn kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。