BD9E104FJ
7.0V ~ 26.0V輸入、1A MOSFET內建 1ch同步整流降壓DC/DC轉換器

BD9E104FJ是內建低導通電阻的功率MOSFET的同步整流降壓DC/DC轉換器。憑藉SLLM™ (Simple Light Load Mode) 控制,實現輕載狀態的良好效率特性,適用於要降低待機功耗的設備。是電流模式控制DC/DC轉換器,具有高速瞬態回應性能,可輕鬆設定相位補償。

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 | BD9E104FJ-E2
狀態 | 推薦品
封裝 | SOP-J8
單位數量 | 2500
最小包裝數量 | 2500
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]

7.0

Vin1(Max.)[V]

26.0

Vout1(Min.)[V]

1.0

Vout1(Max.)[V]

13.0

Iout1(Max.)[A]

1.0

SW frequency(Max.)[MHz]

0.57

Light Load mode

Yes

EN

Yes

PGOOD

No

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

功能:

  • SLLM™ Control (Simple Light Load Mode)
  • Single Synchronous Buck DC/DC converter
  • Over Current Protection
  • Short Circuit Protection
  • Thermal Shutdown Protection
  • Under Voltage Lockout Protection
  • Internal Soft Start
  • Reduce External Diode
  • SOP-J8 Package

Evaluation
Board

 
    • Evaluation Board
    • BD9E104FJ-EVK-001
    • The BD9E104FJ-EVK-001 uses the synchronous rectified step-down DC / DC converter IC BD9E104FJ to output 5V from an input voltage of 12V. The input voltage of BD9E104FJ can be set from 7V to 26V, and the output voltage can be set from 1.0V to 0.5xVIN with an external resistor. The operating frequency is 570kHz.

  • User's Guide Purchase Inquiry

Design Resources

 

Documents

White Paper

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

User's Guide

  • Evaluation Board User's Guide for BD9E104FJ-EVK-001

Application Note

  • PCB Layout for BD9E104FJ

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
  • Power Supply Sequence Circuit with General Purpose Power Supply IC
  • Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
  • Phase Compensation Design for Current Mode Buck Converter
  • Bootstrap Circuit in the Buck Converter
  • Method for Determining Constants of
  • 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

2D/3D/CAD

  • SOP-J8 Footprint / Symbol
  • SOP-J8 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration