BD9701FP
8-35V 1.5A 1ch Buck converter

BD9701/BD9703/BD9702是一款採用PWM方式的交換式穩壓器。本產品內建Pch交換式FET,能夠有效提高低負載時的效率。使用Bi-CMOS製程,電路電流為4mA (Typ.),待機時的電路電流為0μA (Typ.),讓裝置更為省電。

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 | BD9701FP-E2
狀態 | 推薦品
封裝 | TO252-5
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

Non-synchronous

Vin1(Min.)[V]

8.0

Vin1(Max.)[V]

35.0

Vout1(Min.)[V]

1.0

Vout1(Max.)[V]

32.0

Iout1(Max.)[A]

1.5

SW frequency(Max.)[MHz]

0.1

Light Load mode

No

EN

Yes

PGOOD

No

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

功能:

・最大交換電流: 1.5A (BD9701、BD9703)、3A (BD9702)
・內建Pch交換式FET,實現高效率
・可藉由外接電阻來設定輸出電壓
・內建振盪電路: 100kHz (BD9701)、300kHz (BD9703)、110kHz (BD9702)
・內建過電流保護電路(OCP)、內建溫度保護電路(TSD)
・可藉由STBY端子來調整輸出狀態(ON/OFF)
・小型表面安裝TO252-5封裝

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
  • 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
  • Diode Selection Method for Asynchronous 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

  • TO252-5 Footprint / Symbol

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 Contained Report
  • RoHS Comission Delegated Directive

Export Information

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