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参数资料
| 型号： | IR3522MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 18/32页 |
| 文件大小： | 0K |
| 描述： | IC CTRL XPHASE3 DDR/VVT 32-MLPQ |
| 标准包装： | 3,000 |
| 系列： | XPhase3™ |
| 应用： | 处理器 |
| 电流 - 电源： | 7mA |
| 电源电压： | 4.75 V ~ 7.5 V |
| 工作温度： | 0°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-MLPQ（5x5） |
| 包装： | 带卷 (TR) |
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The IR3522 supports the SVI bus protocol which is based on Fast-mode I C. SVID commands from a processor
IR3522
Serial VID Interface Protocol and VID-on-the-fly Transition
2
are communicated through SVID bus pins SCL and SDA.
The SMBus send byte protocol is used by the IR3522 VID-on-the-fly transactions. The IR3522 will wait until it
detects a start bit which is defined as an SDA falling edge while SCL is high. A 7bit address code plus one write bit
(low) should then follow the start bit. This address code will be compared against an internal address table and the
IR3522 will reply with an acknowledge ACK bit if the address is one of the two stored addresses otherwise the ACK
bit will not be sent out. The SDA pin is pulled low by the IR3522 to generate the ACK bit. Table 1 has the list of
addresses recognized by the IR3522.
The processor should then transmit the 8-bit data word immediately following the ACK bit. The first bit is ignored
(bit 7). The IR3522 replies again with an ACK bit once the data is received. If the received data is not a VID-OFF
command, the IR3522 immediately changes the VREF1 analog outputs to the new target. VOUT1 and VOUT2 then
slew to the new VID voltages. See Figure 9 for a send byte example.
Figure 9 Send Byte Example
Page 18
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| IR3523MTRPBF | IC XPHASE3 CTLR VR11.1 40-MLPQ |
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| IR3529MTRPBF | IC CTRL XPHASE CPU/ASIC 20-MLPQ |
| IR3550MTRPBF | IC DRIVER GATE 60A PQFN |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3523 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM DUAL OUTPUT CONTROL IC |
| IR3523MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM DUAL OUTPUT CONTROL IC |
| IR3523MTRPBF | 功能描述:开关变换器、稳压器与控制器 X-PHASE IR3523 AMD SVID CTRL IC 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 |
| IR3527 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM DUAL PHASE IC |
| IR3527MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM DUAL PHASE IC |
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