BD95821MUV
7.5V to 15V 輸入, 2A 同步整流1ch降壓開關穩壓器

BD95821MUV是可在輸入電壓範圍(7.5V~15V)內通過大電流輸出實現輸出電壓(0.8V~5.5V)的1ch降壓開關穩壓器。通過內建開關電晶體用的N-MOSFET,可實現省空間的高效同步整流開關穩壓器。採用H3Reg™ROHM獨創的ONTIME固定控制模式,無需相位補償部件,即可實現高速暫態響應特性。具有緩啟動功能、功率Good功能、內建計時鎖存的短路輸出/ 過電壓保護電路功能,最適於數位AV裝置用電源。

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 | BD95821MUV-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]

7.5

Vin1(Max.)[V]

15.0

Vout1(Min.)[V]

0.8

Vout1(Max.)[V]

5.5

Iout1(Max.)[A]

2.0

SW frequency(Max.)[MHz]

0.8

EN

Yes

PGOOD

Yes

Operating Temperature (Min.)[°C]

-20

Operating Temperature (Max.)[°C]

100

Package Size [mm]

3x3(t=1)

功能:

・Over Current Protection (OCP) – Cycle-by-Cycle
・Thermal Shut Down (TSD)
・Under-Voltage Lock-Out (UVLO)
・Short Circuit Protection (SCP)
・Over Voltage Protection (OVP)
・Fixed Soft Start (1msec ; typ)
・Power Good function

Design Resources

 

Documents

White Paper

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

Reference Design

  • BD95821MUV 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
  • PCB Layout Techniques of Buck Converter
  • 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
  • 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

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • 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

2D/3D/CAD

  • VQFN016V3030 Footprint / Symbol
  • VQFN016V3030 3D STEP Data

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)