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300mA Fixed Output LDO Regulators - BD18HA3WEFJ

BDxxHA3WEFJ is a LDO regulator with output current 0.3A. The output accuracy is ±1% of output voltage. With externalresistance, it is available to set the output voltage at random (from 1.5V to 7.0V) and also provides output voltage fixed typewithout external resistance. It is used for the wide applications of digital appliances. It has package type: HTSOP-J8. Overcurrent protection (for protecting the IC destruction by output short circuit), circuit current ON/OFF switch (for setting thecircuit 0µA at shutdown mode), and thermal shutdown circuit (for protecting IC from heat destruction by over load condition)are all built in. It is usable for ceramic capacitor and enables to improve smaller set and long-life.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BD18HA3WEFJ-E2 Active HTSOP-J8 2500 2500 Taping Yes
 
Specifications:
Grade Standard
Breakdown Voltage(Max.)[V] 10.0
ch 1
Vin(Min.)[V] 4.5
Vin(Max.)[V] 8.0
Vout (Typ.) [V] 1.8
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
I/O Voltage Difference (Typ.)[V] 0.6(Io=0.3A)
Ripple Rejection [dB] 60.0
Load Regulation[mV] 25(Io=0 to 300mA)
Input Capacitor[µF] 1.0
Output Capacitor[µF] 1.0
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 85
Features:
  • ・ 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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Technical Data
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

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Basics of Linear Regulators

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Simple Test Method for Estimating the Stability of Linear Regulators

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Power Source ON/OFF Characteristics for Linear Regulator

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BAxxCC0 Series Circuit Using a Ceramic Output Capacitor

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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.