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| 型号： | IRS2552DSPBF |
| 厂商： | International Rectifier |
| 文件页数： | 15/32页 |
| 文件大小： | 0K |
| 描述： | IC BALLAST CTLR CCFL/EEFL 16SOIC |
| 标准包装： | 45 |
| 类型： | CCFL/EEFL 控制器 |
| 频率： | 39 ~ 69 kHz |
| 电流 - 电源： | 10mA |
| 电流 - 输出： | 450mA |
| 电源电压： | 10.6 V ~ 15.6 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC N |
| 包装： | 管件 |
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IRS2552D
Application Information and Additional Details
Information regarding the following topics is included as subsections within this section of the datasheet.
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IGBT/MOSFET Gate Drive
Undervoltage Lockout Protection
Oscillator
Deadtime
Ignition
Run Mode
Lamp Current Control
Frequency, Current and Deadtime Calculation
Dimming Function
Soft Start
PCB Layout Tips
Additional Documentation
IGBT/MOSFET Gate Drive
The IRS2552D HVICs are designed to drive up to two MOSFET or IGBT power devices. Figures 1 and 2 illustrate
several parameters associated with the gate drive functionality of the HVIC. The output current of the HVIC, used to
drive the gate of the power switch, is defined as I O . The voltage that drives the gate of the external power switch is
defined as V HO for the high-side power switch and V LO for the low-side power switch; this parameter is sometimes
generically called V OUT and in this case does not differentiate between the high-side or low-side output voltage.
V B
(or V CC )
I O+
HO
(or LO)
V S
(or COM)
+
V HO (or V LO )
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Figure 1: HVIC sourcing current
Figure 2: HVIC sinking current
Undervoltage Lock-Out
The IRS2552D includes an under voltage lockout circuit such that it remains in micro-power mode until the
voltage at VCC pin exceeds the V CCUV+ threshold. When V CC exceeds the V CCUV+ threshold the IRS2552D
oscillator starts up and gate drive signals appear at the LO and HO outputs, provided the ENABLE pin is
connected to a voltage source above V ENATH . The LO output will always go high first in order to pre-charge the
bootstrap capacitor before the IRS2552D begins normal operation.
www.irf.com
15
? 2009 International Rectifier
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRS2552DSTRPBF | 功能描述:功率驱动器IC CCFL / EEFL Ballast Cntrl IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IRS2573 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:HID BALLAST CONTROL IC |
| IRS2573D | 制造商:IRF 制造商全称:International Rectifier 功能描述:HID BALLAST CONTROL IC |
| IRS2573DSPBF | 功能描述:功率驱动器IC HID BALLAST CTRL IC 600V 180mA 1.2us RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IRS2573DSTRPBF | 功能描述:功率驱动器IC Buck & Full-Brdg HID ballast Cntrl IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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