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7.0V to 36V Input, 1.0 A Integrated MOSFET Single Synchronous Buck DC/DC Converter - BD9E100FJ-LB(H2)

This product guarantees long life cycle in Industrial market. BD9E100FJ-LB is a synchronous buck switching regulator with built-in power MOSFETs. It is capable of an outputcurrent of up to 1.0A. It has a high oscillation frequency of 1MHz while using small inductance value. It is a current mode control DC/DC converter and features high-speed transient response. Phase compensation can also be set easily.
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Part number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BD9E100FJ-LBGH2 Active SOP-J8 250 250 Taping Yes
 
Specifications:
Grade Industrial
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 7.0
Vin1(Max.)[V] 36.0
Vout1(Min.)[V] 1.0
Vout1(Max.)[V] 25.2
Iout1(Max.)[A] 1.0
SW frequency(Max.)[MHz] 1.0
Light Load mode No
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 150
Features:
  • ・Long Life Cycle Product for Industrial Applications.
    ・Synchronous single DC/DC converter.
    ・Over-Current Protection.
    ・Short Circuit Protection.
    ・Thermal Shutdown Protection.
    ・Undervoltage Lockout Protection.
    ・Soft Start.
 
 
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Technical Data
White Paper

Industrial DC/DC Buck Converters BD9x Series

Evaluation Board User's Guide

BD9E100FJ Evaluation Board User's Guide

Reference Circuits and Bomlist

Reference Circuits and Bomlist

PCB Layout for BD9E100FJ-LB

When designing switching nodes that operate at high speeds and switching power supplies that use a large current, PCB layout design is as important as circuit design...

Capacitor Calculation for Buck converter IC

This application note explains the calculation of external capacitor value for buck converter IC circuit.

Inductor Calculation for Buck converter IC

This application note covers the steps required in choosing the inductor and to calculate the value used in buck regulator IC circuits.

Resistor Value Table to set Output Voltage of Buck Converter IC

This Application Note offers reference table to easily set resistor values for output voltage with various internal reference voltages VREF.

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

PCB Layout Techniques of Buck Converter

Major problems that arise from in appropriate layout may cause increase in noise superposed by output and switching signal, the deterioration of regulator, and also lack of stability...

The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit

Using unmatched MLCC may not obtain required target characteristics for power supply circuit and may cause abnormal operation. This application note explains the important points while using MLCC.

Calculation of Power Loss (Synchronous)

This application note describes how to obtain the power loss required to calculate the temperature of a semiconductor device. Temperature control is important to ensuring product reliability.

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

Considerations for Power Inductors Used for Buck Converters

This application note explains the features and things to consider when shopping for power inductors.

Snubber Circuit for Buck Converter IC

In buck converter ICs, many high-frequency noises are generated at switch nodes. A snubber circuit provides one way of eliminating such harmonic noise. This application note explains how to set up the RC snubber circuits.

Efficiency of Buck Converter

This application note explains power loss factors and methods for calculating them. It also explains how the relative importance of power loss factors depends on the specifications of the switching power source.

Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)

This application note introduces a method for easily measuring the phase margin with a Frequency Response Analyzer (FRA) made by NF Corporation.