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| 型号： | AUIR33401STRL |
| 厂商： | International Rectifier |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC SW IPS 1CH HIGH SIDE D2PAK-7 |
| 标准包装： | 800 |
| 类型： | 高端 |
| 输入类型： | 非反相 |
| 输出数： | 1 |
| 导通状态电阻： | 3 毫欧 |
| 电流 - 输出 / 通道： | 33A |
| 电流 - 峰值输出： | 50A |
| 电源电压： | 2.8 V ~ 3 V |
| 工作温度： | -40°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-7，D²Pak（6 引线+接片） |
| 供应商设备封装： | D2PAK（7-Lead） |
| 包装： | 带卷 (TR) |
AUIR33401S
Active dv/dt control to reduce EMI Typical Connection
The AUIR33401S includes a special gate drive, managing the Mosfet dv/dt controlled internally, by managing the gate
voltage dynamically. To have the best compromise between the EMI levels and power loss, during the turn on and off
phase, the dv/dt output is dv/dt is not linear. The output voltage shape is an “S” shape.
Sense Load current feedback and programmable current shutdown
The Ifbk pin allows an analog measurement of the load current and with an external resistor allows to program the over
current shutdown level from 10A to 33A. The voltage threshold level of the Ifbk pin is internally set to 4V (See the formulas
below). It is also possible to dynamically adjust the current shutdown protection versus time by adding some external
components. This protection is latched. The operating mode is recovered after resetting by the sleep mode.
Rifbk =
Vifbk ? gnd min
Imax appli + Offset
× Ratio min
Where:
Ishtd max =
Vifbk ? gnd max
Rifbk calculated
× Ratio max + Offset
Imax appli is the maximum application current
Ishtd max is the maximum output shutdown current
Internal over current shutdown
The maximum current shutdown threshold value is internally fixed to 50A typ. This protection is latched. The operating
mode is recovered after resetting by the sleep mode.
Under voltage lock-out
The AUIR33401S remains operational from UV Lo threshold. Under this continuous voltage, the device will be locked until
the voltage recovers the operating range, according to an internal hysteresis fixed to 0,5V min. The maximum rating
voltage is given by the Trench VDMOS technology where the avalanche voltage is up to 43V typically.
Sleep mode and reset fault:
The sleep mode is enabled if the IN pin stay low (Vin < V in μpower ) more than Tslp time. The consumption in sleep mode is
Icc off. The AUIR33401S wakes up at first rise edge on the IN pin (Vin > V in μpower ). This mode allows resetting all the
Wake up sequence:
The AUIR33401S has a power on reset. After wake up it by the IN signal, the devices wait for T pwr_on_rst before activate the
output power mosfet. This time is necessary to charge properly the bootstrap capacitor and to stabilize the internal power
4
? 2011 International Rectifier
March 5, 2013
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相关代理商/技术参数 |
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| AUIR33401STRR | 功能描述:电源开关 IC - 配电 AUTO GRADE 3.5mO SWITCH 1 CH 33A RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| AUIR33402S | 功能描述:IC SW IPS 1CH HIGH SIDE D2PAK-7 制造商:infineon technologies 系列:汽车级，AEC-Q100 包装:管件 零件状态:有效 开关类型:通用 输出数:1 比率 - 输入:输出:1:1 输出配置:高端 输出类型:N 通道 接口:开/关 电压 - 负载:6 V ~ 18 V 电压 - 电源（Vcc/Vdd）:不需要 电流 - 输出（最大值）:33A 导通电阻（典型值）:3 毫欧 输入类型:- 特性:- 故障保护:限流（可调），超温，UVLO 工作温度:-40°C ~ 150°C（TJ） 封装/外壳:TO-263-7，D2Pak（6 引线+接片），TO-263CB 供应商器件封装:D2PAK（7-Lead） 标准包装:50 |
| AUIR33402STRL | 功能描述:IC SW IPS 1CH HIGH SIDE D2PAK-7 制造商:infineon technologies 系列:汽车级，AEC-Q100 包装:带卷（TR） 零件状态:有效 开关类型:通用 输出数:1 比率 - 输入:输出:1:1 输出配置:高端 输出类型:N 通道 接口:开/关 电压 - 负载:6 V ~ 18 V 电压 - 电源（Vcc/Vdd）:不需要 电流 - 输出（最大值）:33A 导通电阻（典型值）:3 毫欧 输入类型:- 特性:- 故障保护:限流（可调），超温，UVLO 工作温度:-40°C ~ 150°C（TJ） 封装/外壳:TO-263-7，D2Pak（6 引线+接片），TO-263CB 供应商器件封装:D2PAK（7-Lead） 标准包装:800 |
| AUIR7736M2TR1 | 制造商:International Rectifier 功能描述: |
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