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Step-down, High-efficiency Switching Regulators (Controller type) - BD9305AFVM

BD9305AFVM / BD9306AFVM are 1 channel DC / DC converter controllers. Step-down DC / DC converter can be configured by BD9305AFVM, and Step-up DC / DC converter can be configured byBD9306AFVM. In addition, the master slave function, which is that the synchronization is possible at the time of multi-connection, is mounted.

* 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
BD9305AFVM-TR Active MSOP8 3000 3000 Taping Yes
 
Specifications:
Grade Standard
ch 1
Integrated FET / Controller Controller
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Nonsynchronous
Vin1(Min.)[V] 4.2
Vin1(Max.)[V] 18.0
Iout1(Max.)[A] 0.25
SW frequency(Max.)[MHz] 0.8
Light Load mode No
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
Features:
  • ・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 Configuration:
Pin Configration
 
 
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Technical Data
Application Note

Calculation of Power Loss (Synchronous)

Application Note

Thermal Resistance

Application Note

Resistor Value Table to set Output Voltage of Buck Converter IC

Application Note

PCB Layout Techniques of Buck Converter

Application Note

Snubber Circuit for Buck Converter IC

Application Note

Capacitor Calculation for Buck converter IC

Application Note

Inductor Calculation for Buck converter IC

Application Note

Buck DC/DC Converter Recommended Inductor List

Application Note

Efficiency of Buck Converter

Application Note

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

Application Note

Considerations for Power Inductors Used for Buck Converters

Application Note

Thermal Resistance

Application Note

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