BD9G500EFJ-LA (New)
7V to 76V Input, 5A Integrated High-Side MOSFET, Single Buck DC/DC Converter

This is the product guarantees long time support in industrial market. BD9G500EFJ-LA is buck DC/DC converter with built-in low on-resistance High-Side power MOSFET. It is capable of providing current of up to 5A. Current mode architecture provides fast transient response and simple phase compensation setup. The operating frequency is adjustable from 100kHz to 650kHz.

Product Detail

 
Part Number | BD9G500EFJ-LAE2
Status | Recommended
Package | HTSOP-J8
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Industrial

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Non-synchronous

Vin1(Min.)[V]

7.0

Vin1(Max.)[V]

76.0

Vout1(Min.)[V]

1.0

Vout1(Max.)[V]

68.4

Iout1(Max.)[A]

5.0

SW frequency(Max.)[MHz]

0.65

Light Load mode

No

EN

Yes

PGOOD

No

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Features:

  • Long Time Support Product for Industrial Applications.
  • Wide Input Voltage Range
  • Integrated High-Side MOSFET
  • Current Mode Control
  • Adjustable Frequency
  • Soft Start Function
  • Over Current Protection (OCP)
  • Under Voltage Lockout (UVLO)
  • Thermal Shutdown Protection (TSD)
  • Over Voltage Protection (OVP)
  • HTSOP-J8 package

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 BD9G500EFJ-EVK-001

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

Models

  • BD9G500EFJ Spice Modeling Report
  • BD9G500EFJ-LA SPICE Model

2D/3D/CAD

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

Packaging & Quality

Manufacturing Data

  • Factory Information