参数资料
| 型号： | IRPLHID2 |
| 厂商： | International Rectifier |
| 文件页数： | 11/30页 |
| 文件大小： | 0K |
| 描述： | KIT DESIGN BALLAST IRS2573D |
| 标准包装： | 1 |
| 系列： | * |
| 主要目的： | 照明，镇流器控制 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | * |
| 主要属性： | * |
| 次要属性： | * |
| 已供物品： | 板 |
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HID lamp with an AC square-wave voltage. The full-bridge begins oscillating at the
programmed frequency immediately when the IC comes out of UVLO Mode and turns
on. The full-bridge is typically driven at a low frequency to prevent acoustic resonances
from damaging the lamp. The full-bridge frequency is programmed with the external
capacitor at the CT pin. CT charges up and down linearly through internal sink and
source currents between a fixed voltage window of 2V and 4V. CT reaching 4V initiates
the toggling of LO1/HO1, and LO2/HO2 respectively (see Figure 5.5). The dead-time is
fixed internally at 1.0us typical. During the dead-time, all full-bridge MOSFETs are off
and the mid-points of each half-bridge are floating or unbiased. Should an external
transient occur during the dead-time due to an ignition voltage pulse, each half-bridge
mid-point (VS1 and VS2 pins) can slew high or low very quickly and exceed the dv/dt
rating of the IC. To prevent this, internal logic guarantees that the IGN pin is set to a
logic ‘low’ during the dead-time. No ignition pulses can occur until the dead-time has
ended and the appropriate full-bridge MOSFETs are turned on. This will guarantee that
the mid-points are biased to the output voltage of the buck or COM before an ignition
pulse occurs. The full-bridge stops oscillating only when the IC enters Fault Mode or
UVLO Mode.
Figure 5.5: Full-bridge timing diagram: CH1 is CT pin voltage, CH2 is LO1 voltage, CH3 is LO2
voltage and CH4 is VS1 pin voltage
5.5 Buck Control
The buck control circuit operates in critical-conduction mode or continuous-conduction
mode depending on the off-time of the buck output or the peak current flowing through
the buck MOSFET (MBUCK). During normal lamp running conditions, the voltage
across the buck current sensing resistor, as measured by the CS pin, is below the
internal over-current threshold (1.2V typical). The buck on-time is defined by the time it
takes for the internal on-time capacitor to charge up to the voltage level on the PCOMP
pin or ICOMP pin, whichever is lower. During the on-time, the current in the buck
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PDF描述 |
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| IRPLLNR2U | BALLAST 32W/T8 120V AC IR21571 |
| IRPLLNR4 | BALLAST UNIV INP FLUOR IR2166 |
| IRPLLNR5 | KIT BALLAST UNIV FLUOR 54W TL5 |
| IRPLLNR7 | KIT UNIV ELEC BALLAST FLUOR LAMP |
| IRPLMB1E | KIT DESIGN BALLAST 220VAC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IRPLLED1 | 功能描述:BOARD EVALUATION FOR IRS2540PBF RoHS:是 类别:编程器，开发系统 >> 评估板 - LED 驱动器 系列:- 标准包装:1 系列:PowerWise® 电流 - 输出 / 通道:20mA 输出及类型:1，非隔离 输出电压:17V 特点:可调光 输入电压:2.7 ~ 5.5 V 已供物品:板 已用 IC / 零件:LM3508 相关产品:LM3508TLX-ND - IC LED DRVR WHT BCKLGT 9USMDLM3508TLDKR-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLCT-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLTR-ND - IC LED DRVR WHT BCKLGT 9MICROSMD |
| IRPLLED1A | 功能描述:电源管理IC开发工具 Hi-Vlt DC-DC Buck Cnvr HBLED Cur Cntrl 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 |
| IRPLLED5 | 制造商:International Rectifier 功能描述: |
| IRPLLED7 | 功能描述:IC MOSFET DRIVER RoHS:否 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 外部开关 系列:* 标准包装:95 系列:- 配置:半桥 输入类型:PWM 延迟时间:25ns 电流 - 峰:1.6A 配置数:1 输出数:2 高端电压 - 最大（自引导启动）:118V 电源电压:9 V ~ 14 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 产品目录页面:1282 (CN2011-ZH PDF) 其它名称:*LM5104M*LM5104M/NOPBLM5104M |
| IRPLLNR1 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
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