BD9B500MUV
2.7V~5.5V 輸入5.0A MOSFET內建 1ch同步整流降壓 DC/DC轉換器

BD9B500MUV是內建低導通電阻的功率MOSFET的同步整流降壓型開關穩壓器。最大可輸出5A的電流。採用輕載時進行低消耗動作的獨有恒定時間控制方式,最適於要降低待機功耗的設備。振盪頻率高,適用於小型電感。是恒定時間控制DC/DC轉換器,具有高速瞬態回應性能。

Data Sheet 購買 *
* 本產品是標準級的產品。
本產品不建議使用的車載設備。

Product Detail

 
料號 | BD9B500MUV-E2
狀態 | 推薦品
封裝 | VQFN016V3030
單位數量 | 3000
最小包裝數量 | 3000
包裝形式 | Taping
RoHS | Yes

規格:

Grade

Standard

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]

0.8

Vout1(Max.)[V]

4.4

Iout1(Max.)[A]

5.0

SW frequency(Max.)[MHz]

2.0

Light Load mode

Yes

EN

Yes

PGOOD

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

功能:

  • Synchronous single DC/DC Converter
  • Constant on-time control suitable to Deep-SLLM
  • Over Current Protection
  • Short Circuit Protection
  • Thermal Shutdown Protection
  • Under Voltage Lockout Protection
  • Adjustable Soft Start
  • Power Good Output
  • VQFN016V3030 Package
    (backside heat dissipation)

Design Resources

 

Documents

White Paper

  • Cutting-Edge Web Simulation Tool “ROHM Solution Simulator” Capable of Complete Circuit Verification of Power Devices and Driver ICs

Application Note

  • PCB Layout for BD9B500MUV

Reference Design

  • BD9B500MUV Reference Circuits and Bomlist

Technical Articles

Schematic Design & Verification

  • Buck DC/DC Converter Recommended Inductor List
  • Calculation of Power Dissipation in Switching Circuit
  • Considering Input Filter to Reduce Conducted Emissions by DCDC Converter
  • Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
  • Method for Monitoring Switching Waveform
  • Phase Compensation Design for Current Mode Buck Converter
  • Bootstrap Circuit in the Buck Converter
  • Method for Determining Constants of
  • Power Supply Sequence Circuit with General Purpose Power Supply IC
  • Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
  • PCB Layout Techniques of Buck Converter
  • Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
  • Usage of SPICE Macromodel for DC/DC
  • Snubber Circuit for Buck Converter IC
  • Efficiency of Buck Converter
  • Calculation of Power Loss (Synchronous)
  • Inductor Calculation for Buck converter IC
  • Considerations for Power Inductors Used for Buck Converters
  • Capacitor Calculation for Buck converter IC
  • The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit
  • Resistor Value Table to set Output Voltage of Buck Converter IC
  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Notes for Temperature Measurement Using Thermocouples
  • Two-Resistor Model for Thermal Simulation
  • Notes for Temperature Measurement Using Forward Voltage of PN Junction
  • Thermal Resistance
  • Precautions When Measuring the Rear of the Package with a Thermocouple

Tools

Simulations (Login Required)

  • Method for Exporting Circuit Data (ROHM Solution Simulator)

2D/3D/CAD

  • VQFN016V3030 Footprint / Symbol
  • VQFN016V3030 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration