BD9305AFVM-TR Power Management ICs - PMIC by Rohm

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


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.

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Prices starting from US$0.34

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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

Specifications

ch 1
Integrated FET / Controller Controller
Topology Buck
Synchronous / Nonsynchronous Non-synchronous
Vin1(Min.)[V] 4.2
Vin1(Max.)[V] 18
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
Package Size [mm] 2.9x4 (t=0.9)

Resources




Schematic Design & Verification
Calculation of Power Dissipation in Switching Circuit
Considering Input Filter to Reduce Conducted Emissions by DCDC Converter
Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
Method for Monitoring Switching Waveform
Phase Compensation Design for Current Mode Buck Converter
Method for Determining Constants of Peripheral Parts of Buck DC/DC Converter
Power Supply Sequence Circuit with General Purpose Power Supply IC
Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
Diode Selection Method for Asynchronous Converter
PCB Layout Techniques of Buck Converter
Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
Snubber Circuit for Buck Converter IC
Efficiency of Buck Converter
Calculation of Power Loss (Synchronous)
Inductor Calculation for Buck converter IC
Considerations for Power Inductors Used for Buck Converters
Capacitor Calculation for Buck converter IC
The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit
Resistor Value Table to set Output Voltage of Buck Converter IC
Importance of Probe Calibration When Measuring Power: Deskew
Impedance Characteristics of Bypass Capacitor



Manufacturing Data
Factory Information



Alternative Descriptions

Dc/Dc Ctrl, Buck, -40 To 85Deg C | Newark Electronics
BD9305 Series 4.2 to 18 V 800 kHz Buck SMT Switching Regulator - MSOP-8 | Future Electronics
DC DC Cntrlr Single-OUT Step Down 4.2V to 18V Input 8-Pin MSOP T/R | Avnet America
DC/DC CTRL, BUCK, -40 TO 85DEG C | element14


Frequently Asked Questions

Where can I find additional details, specifications and documents for a BD9305AFVM-TR?

Additional datasheets, footprints and schematics for BD9305AFVM-TR are listed on our Part Details page. You can also find images and similar parts to BD9305AFVM-TR on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for BD9305AFVM-TR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view BD9305AFVM-TR price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does BD9305AFVM-TR fall under?

The BD9305AFVM-TR is listed under Semiconductors - ICs > Power Management ICs - PMIC > DC / DC Power Management > DC / DC Controllers.

Can I view similar or alternative parts?

You can view similar parts to BD9305AFVM-TR when available in the DC / DC Controllers range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the BD9305AFVM-TR you can contact the distributor directly for product support, shipping queries etc.

Is the BD9305AFVM-TR RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ROHM Semiconductor.

Which authorised distributors for BD9305AFVM-TR have stock available?

Authorised distributors including Chip One Stop, CoreStaff, Newark Electronics, Future Electronics and Avnet America have stock available or on a lead time for BD9305AFVM-TR.

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