300mA Fixed Output LDO Regulators - BD80GA3WNUX

BDxxGA3WEFJ / BDxxGA3WNUX series devices are LDO regulators with output current capability of 0.3A. It has an output voltage accuracy of ±1%. Both fixed and variable output voltage devices are available. The variable output voltage can be varied from 1.5V to 13.0V using external resistors. Various fixed output voltage devices that do not use external resistors are also available. These LDO regulators are available in HTSOP-J8 / VSON008X2030 package and can be used in wide variety of digital appliances. It has built-in over current protection to protect the device when output is shorted, 0µA shutdown mode, and thermal shutdown circuit to protect the device during thermal over-load conditions. These LDO regulators are usable with ceramic capacitors that enable a smaller layout and longer life.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
BD80GA3WNUX-TR Active VSON008X2030 4000 4000 Taping sim
Grade Standard
Breakdown Voltage(Max.)[V] 15.0
ch 1
Vin(Min.)[V] 4.5
Vin(Max.)[V] 14.0
Vout (Typ.) [V] 8
Vout Precision ±1.0
Iout(Max.)[A] 0.3
Circuit Current[mA] 0.6
Shutdown Function Yes
Thermal Shut-down Yes
Over Current Protection Yes
Over Voltage Protection No
Discharge Function No
Soft Start Yes
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 85
  • ・ High accuracy reference voltage circuit
    ・ Built-in Over Current Protection circuit (OCP)
    ・ Built-in Thermal Shut Down circuit (TSD)
    ・ With shut down switch
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Dados técnicos
BDxxGA3 Series Application Information

The information in this application note only provides hints for IC mounting.

Table of resistance for output voltage setting on linear regulator Ics

This application notes provide tables for each series so that it is easy to set the resistance value for the output voltage setting from 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.

BDxxGC0, BDxxGA5, BDxxGA3, BDxxHC5, BDxxHC0,BDxxHA5, BDxxHA3, BDxxIC0, BDxxIA5 Series PCB Layout

The basic terminal configuration of a linear regulator IC consists of four parts: input, output, GND, and feedback…

Basics of Linear Regulators

A linear regulator, also referred to as a "three-terminal regulator" or "dropper," is a power supply long known to many designers owning to its simple circuitry and ease of use...

Linear Regulator Specifications

Very important information such as maximum ratings, operating conditions and characteristic graphs are described in the table.

Reverse Voltage Protection

A linear regulator integrated circuit (IC) is a DC-to-DC buck converter system that reduces a DC supply from higher voltage level to a lower voltage level...

Simple Test Method for Estimating the Stability of Linear Regulators

Low drop-out (LDO) regulators developed back in the age when large-capacitance multi-layer ceramic capacitors (hereinafter, MLCCs) were uncommon cause a phase delay, leading to oscillation when connected to a low-ESR capacitor like an MLCC...

Thermal Calculation for Linear Regulator

The loss in linear regulators increases as the difference between the input and output voltages increases. Since most of the loss is converted to heat, a very large amount of heat may be generated in some conditions...

Power Source ON/OFF Characteristics for Linear Regulator

When a linear regulator IC is turned ON, the electric charge is stored in the output capacitor and the output voltage increases up to the specified value.

BAxxCC0 Series Circuit Using a Ceramic Output Capacitor

This application note proposes a circuit using an output ceramic capacitor that allows a stable phase compensation.

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.

Connecting LDOs in Parallel

Provides some hints on how to connect LDOs in parallel.