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参数资料
| 型号： | IR3080MTR |
| 厂商： | International Rectifier |
| 文件页数： | 7/41页 |
| 文件大小： | 0K |
| 描述： | IC PHASE CONTROLLER 32L MLPQ |
| 标准包装： | 3,000 |
| 系列： | XPhase™ |
| 应用： | 处理器 |
| 电流 - 电源： | 11mA |
| 电源电压： | 9.5 V ~ 14 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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IR3080
SYSTEM THEORY OF OPERATION
XPhase TM Architecture
The XPhase TM architecture is designed for multiphase interleaved buck converters which are used in applications
requiring small size, design flexibility, low voltage, high current and fast transient response. The architecture can
control converters of any phase number where flexibility facilitates the design trade-off of multiphase converters.
The scalable architecture can be applied to other applications which require high current or multiple output voltages.
As shown in Figure 1, the XPhase TM architecture consists of a Control IC and a scalable array of phase converters
each using a single Phase IC. The Control IC communicates with the Phase ICs through a 5-wire analog bus, i.e.
bias voltage, phase timing, average current, error amplifier output, and VID voltage. The Control IC incorporates all
the system functions, i.e. VID, PWM ramp oscillator, error amplifier, bias voltage, and fault protections etc. The
Phase IC implements the functions required by the converter of each phase, i.e. the gate drivers, PWM comparator
and latch, over-voltage protection, and current sensing and sharing.
There is no unused or redundant silicon with the XPhase TM architecture compared to others such as a 4 phase
controller that can be configured for 2, 3, or 4 phase operation. PCB Layout is easier since the 5 wire bus
eliminates the need for point-to-point wiring between the Control IC and each Phase. The critical gate drive and
current sense connections are short and local to the Phase ICs. This improves the PCB layout by lowering the
parasitic inductance of the gate drive circuits and reducing the noise of the current sense signal.
VCCVID (1.2V@150mA)
VID PWRGD
VR HOT
VCC PWRGD
12V
3.3V
VID5
VID0
VID1
IR3080
CONTROL
IC
>> BIAS VOLTAGE
>> PHASE TIMING
CIN
VOUT SENSE+
VID2
<< CURRENT SENSE
CURRENT SHARE
IR3086
VOUT+
VID3
VID4
>> PWM CONTROL
>> VID VOLTAGE
PHASE
IC
0.1uF
COUT
VOUT-
CURRENT SHARE
IR3086
CCS
RCS
VOUT SENSE-
PHASE
IC
0.1uF
CCS
RCS
CONTROL BUS
ADDITIONAL PHASES
INPUT/OUTPUT
Figure 1. System Block Diagram
Page 7 of 41
9 /30/04
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3080MTRPBF | 功能描述:开关变换器、稳压器与控制器 XPHASE VRD10 CTRL IC CTRL IC 200 to 700mV 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 |
| IR3080PBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT |
| IR3081 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE VR 10.0 CONTROL IC |
| IR3081A | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM VR 10 CONTROL IC |
| IR3081AM | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM VR 10 CONTROL IC |
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