BD8961NV
4.5-5.5V 2A 1ch Buck converter

ROHM所推出的高效率降壓交換式穩壓器BD8967FVM/8961NV是一系列僅需使用5V的電源線,即可產生3.3V等低電壓電源的產品。本產品係利用同步整流電路,以達到高效率的目標。使用電流模式(Current Mode)控制方式,即使在負載急速變化時也能達成高速的瞬時反應(Transient response)。

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 | BD8961NV-E2
狀態 | 推薦品
封裝 | SON008V5060
單位數量 | 2000
最小包裝數量 | 2000
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]

4.5

Vin1(Max.)[V]

5.5

Vout1(Min.)[V]

3.3

Vout1(Max.)[V]

3.3

Iout1(Max.)[A]

2.0

SW frequency(Max.)[MHz]

1.0

Light Load mode

No

EN

Yes

PGOOD

No

Operating Temperature (Min.)[°C]

-25

Operating Temperature (Max.)[°C]

105

功能:

・1ch交換式電源控制器
・可藉由電流模式的脈衝寬度調變(PWM)控制方式來實現快速暫態響應(Transient Response)
・內建同步整流(Nch/Pch FET),實現高效率
・內建SOFT START功能
・溫度/UVLO內建保護功能
・內建計時器栓鎖(Timer Latch)式短路保護功能
・內建關機功能Icc=0μA(Typ.)

Design Resources

 

Documents

White Paper

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

Technical Articles

Schematic Design & Verification

  • 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

  • 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

  • SON008V5060 Footprint / Symbol

Packaging & Quality

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)