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| 型号： | IR1167BSTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 13/25页 |
| 文件大小： | 0K |
| 描述： | IC SMART SECONDARY DRIVER 8-SOIC |
| 标准包装： | 1 |
| 系列： | SmartRectifier™ |
| 配置： | 低端 |
| 输入类型： | 自振荡 |
| 延迟时间： | 60ns |
| 电流 - 峰： | 2A |
| 配置数： | 1 |
| 输出数： | 1 |
| 电源电压： | 12 V ~ 18 V |
| 工作温度： | -25°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-SOICN |
| 包装： | 标准包装 |
| 其它名称： | IR1167BSTRPBFDKR |
IR1167(A,B)S
I PRIM
V PRIM
T1
T2
T3
time
I SEC
V SEC
time
Figure 2: Primary and secondary currents and voltages for DCM mode
I PRIM
V PRIM
T1
T2
time
I SEC
V SEC
time
Figure 3: Primary and secondary currents and voltages for CrCM mode
CCM Turn-off phase
In CCM mode the turn off transition is much steeper and dI/dt involved is much higher. The turn on phase is identical to DCM
or CrCM and therefore won’t be repeated here.
During the SR FET conduction phase the current will decay linearly, and so will VDS on the SR FET.
Once the primary switch will start to turn back on, the SR FET current will rapidly decrease crossing V TH1 and turning the gate
off. The turn off speed is critical to avoid cross conduction on the primary side and reduce switching losses.
Also in this case a blanking period will be applied, but given the very fast nature of this transition, it will be reset as soon as
V DS crosses V TH3 .
13
www.irf.com
? 2013 International Rectifier
Nov 6, 2013
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相关代理商/技术参数 |
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| IR1167BSTRPBF-CUT TAPE | 制造商:IR 功能描述:IR1167BSPbF Series 18 V 500 kHz SMT Smart RectifierTM Control IC - SOIC-8 |
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| IR11682SPBF | 功能描述:开关变换器、稳压器与控制器 200V DUAL SECONDARY SIDE HI SPD SR CTRLR RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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