BD9G341AEFJ-LB
1ch Buck Converter Integrated FET

This is the product guarantees long time support in Industrial market. The BD9G341AEFJ-LB is a buck switching regulator with integrated 150mΩ power MOSFET. Current mode architecture provides fast transient response and a simple phase compensation setup. The operating frequency is programmable from 50kHz to 750kHz. Additional protection features are included such as Over Current Protection, Thermal shutdown and Under voltage lockout. The under voltage lockout and hysteresis can be set by external resistor.

Product Detail

 
Part Number | BD9G341AEFJ-LBE2
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]

12.0

Vin1(Max.)[V]

76.0

Vout1(Min.)[V]

1.0

Vout1(Max.)[V]

76.0

Iout1(Max.)[A]

3.0

SW frequency(Max.)[MHz]

0.75

EN

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

4.9x6 (t=1)

Features:

  • Long Time Support Product for Industrial Applications
  • Wide input voltage range from 12V to 76V.
  • Integrated 80V/3.5A/150mΩ NchFET.
  • Current mode.
  • Variable frequency from 50kHz to 750kHz.
  • Accurate reference voltage. (1.0V±1.5%).
  • Precision EN threshold (±3%).
  • Soft-start function
  • 0µA Standby current
  • Over Current Protection (OCP),
    Under Voltage Lockout (UVLO),
    Thermal-Shutdown (TSD),
    Over Voltage Protection (OVP)
  • Thermally enhanced HTSOP-J8 package

Design Resources

 

Technical Articles

Tools

Simulations (Login Required)

ROHM Solution Simulator is a new web-based electronic circuit simulation tool that can carry out a variety of simulations, from initial development that involves component selection and individual device verification to the system-level verification stage. This makes it possible to quickly and easily implement complete circuit verification of ROHM power devices and ICs, in simulation circuits under close to actual conditions, significantly reducing application development efforts.

Calculation Tools

This Calculation Sheet supports the application circuit design of switching regulators. The sheet has formulas necessary for determining peripheral parts. You can easily determine the circuit parameters that meet the desired characteristics by setting the values according to the guidance.
  • Calculation-sheet for the circuit theoretical formula - BD9G341AEFJ-LB

Models

  • Unencrypted SPICE Model (Inquiry Form)
  • BD9G341AEFJ-LB SPICE Model

2D/3D/CAD

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