BD9B305QUZ

2.7V～5.5V输入 3.0A 内置MOSFET 1ch同步整流降压DC/DC转换器
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BD9B305QUZ

BD9B305QUZ
2.7V～5.5V输入 3.0A 内置MOSFET 1ch同步整流降压DC/DC转换器

BD9B305QUZ是一款同步整流降压DC/DC转换器，内置低导通电阻功率MOSFET。可以输出高达3A的输出电流。采用固定导通时间控制方法，具有高速负载响应性能。采用轻负载模式控制方式，可提高轻负载时的效率，适用于需要降低待机时功耗的设备。具有电源良好输出功能，可实现系统的时序控制。采用小型封装，可实现高功率和减小安装面积。

Power Supply Reference Board
For Xilinx’s FPGA Spartan-7

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* 本产品是标准级的产品。
本产品不建议使用于车载设备。
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主要规格

 
型号 | BD9B305QUZ-E2
Status | 推荐品
封装 | VMMP08LZ2020
包装数量 | 4000
最小独立包装数量 | 4000
包装形态 | Taping
RoHS | Yes

特性：

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Synchronous

Vin1(Min.)[V]

2.7

Vin1(Max.)[V]

5.5

Vout1(Min.)[V]

0.6

Vout1(Max.)[V]

4.4

Iout1(Max.)[A]

3

SW frequency(Max.)[MHz]

1

Light Load mode

Yes

EN

Yes

PGOOD

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

2x2 (t=0.4)

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特点：

  • Single Synchronous Buck DC/DC Converter
  • Constant On-time Control
  • Light Load Mode Control
  • Adjustable Soft Start
  • Power Good Output
  • Output Capacitor Discharge Function
  • Over Voltage Protection(OVP)
  • Over Current Protection(OCP)
  • Short Circuit Protection(SCP)
  • Thermal Shutdown Protection(TSD)
  • Under Voltage Lockout Protection(UVLO)
  • VMMP08LZ2020 Package Backside Heat Dissipation 0.5mm Pitch

Reference Design / Application Evaluation Kit

 
    • Reference Design - REFPTR001
    • Power Management Reference design for Xilinx FPGA Spartan-7 platform

    • ROHM, together with Avnet, a leading supplier of electronic products and embedded solutions, developed a reference power supply optimized for Xilinx’s FPGA Spartan-7. In recent years, FPGA power supplies are increasingly demanding high accuracy low voltage, complicated startup sequences. At the same time, designers are constantly faced with the need to upgrade their designs to feature smaller form factors, greater energy savings, and lower costs, which are difficult to achieve within a short period. In response, ROHM offers an optimized power supply reference design for FPGA power supplies that allows designers to reduce development load while meeting market demands. The Spartan-7 (which this reference design was developed for) is ideal for industrial and consumer applications that leverage connectivity with sensor fusion and embedded vision. ROHM’s reference power supply design consists of a verified power supply that safely starts and operates Xilinx’s Spartan-7. This reference power supply includes the BD95602MUV power supply IC that delivers superior response characteristics, along with the BD9B305QUZ, BD9F500QUZ, and BD9F800MUZ designed to provide the current capability demanded for each power supply as well as the BD35395EFJ-M DDR3L termination power supply, making it possible to generate supply voltages that meet FPGA voltage accuracy specifications from 12V input while also supporting the necessary startup sequence. Reference design materials including circuit diagrams, BOMs, and board layouts are available for download.

      • industrial and consumer applications that leverage connectivity with sensor fusion and embedded vision.
      • 6channels power tree reference design
      • developing 12V input power tree for Xilinx FPGA Spartan-7 together with Avnet

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