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Aufwärtswandlung mit einem Ausgang, Hochleistungs-Schaltregler (Typ: Regler) - BD9306AFVM

BD9305AFVM / BD9306AFVM sind 1-Kanal DC / DC Umwandler Controller. Tiefsetzsteller DC / DC können von BD9305AFVM und Aufwärtsregler DC / DC können von BD9306AVFM konfiguriert werden. Zusätzlich ist die Master-Slave-Funktion, wodurch die Synchronisierung bei der Mehrverbindung möglich gemacht wird, angebracht.

* Dieses Produkt entspricht der STANDARD-Güte und wird nicht für Fahrzeugteile empfohlen.
Teilenummer
Status
Gehäuse
Einheitenmenge
Minimale Gehäusemenge
Gehäusetyp
RoHS
BD9306AFVM-TR Active MSOP8 3000 3000 Taping Ja
 
Spezifikationen:
Grade Standard
ch 1
Integrated FET / Controller Controller
Buck / Boost / Buck-Boost / Inverting Boost
Synchronous / Nonsynchronous Nonsynchronous
Vin1(Min.)[V] 4.2
Vin1(Max.)[V] 18.0
SW frequency(Max.)[MHz] 0.8
Light Load mode No
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
Eigenschaften:
  • ・1ch PWM Control DC/DC Converter Controller
    ・Input Voltage Range:4.2~18V
    ・Feed Back Voltage:1.25±1.6%
    ・Oscillating Frequency Variable:100~800kHz
    ・Built-in Soft Start Function
    ・Standby Current of 0 uA (Typ.)
    ・Built-in Master / Slave Function
    ・Protection Circuit : Under Voltage Lockout Protection Circuit
    Thermal Shutdown Circuit
    Short Protection Circuit of Timer Latch type
    ・MSOP8 Package
 
 
Pin-Konfigurierung:
Pin Configration
 
 
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Technische Daten
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.

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.

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.

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.

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...

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.

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.

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.

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.

Considerations for Power Inductors Used for Buck Converters

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