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500-mA 5.0-V Output LDO Regulator - BD450M5WFP2-C

The BD450M5WFP2-C is low quiescent regulator. This regulator is therefore ideal for applications requiring a direct connection to the battery and a low current consumption.Ceramic capacitors can be used for compensation of the output capacitor phase. Furthermore, this IC also feature overcurrent protection to protect the device from damage caused by short-circuiting and an integrated thermal shutdown to protect the device from overheating at overload conditions.A logical “HIGH” at the CTL enables the device and “LOW” at the CTL disables the device.

Part number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BD450M5WFP2-CZE2 Active TO263-5F 500 500 Taping Yes
 
Specifications:
Grade Automotive
Breakdown Voltage(Max.)[V] 45.0
ch 1
Vin(Min.)[V] 3.0
Vin(Max.)[V] 42.0
Vout (Typ.) [V] 5
Vout Precision ±2.0%
Iout(Max.)[A] 0.5
Circuit Current[mA] 0.095
Shutdown Function Yes
Thermal Shut-down Yes
Over Current Protection Yes
I/O Voltage Difference (Typ.)[V] 0.2(Io=300mA)
Ripple Rejection [dB] 60.0
Load Regulation[mV] 10(Io=10mA to 400mA )
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 150
Features:
  • ・Qualified for Automotive Applications
    ・Wide Temperature Range: -40℃ to +150℃
    ・Wide Operating Input Range: 3.0V to 42V
    ・Low Quiescent Current: 40μA (Typ.)
    ・Output Current: 200mA
    ・High Output Voltage Accuracy: ±2%
    ・Over Current Protection (OCP)
    ・Thermal Shutdown Protection (TSD)
    ・AEC-Q100 Qualified
 
 
Applications:
 
 
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Technical Data
Thermal Resistance Data:TO263-5 "BD4xxM5WFP2-C Series"

This application note provides the thermal resistance data of the TO263-5 package used for the thermal design of the BD4xxM5WFP2-C series linear regulator IC.

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.

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.