BD9F800MUX-Z
4.5V to 28V Input, 8.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter

BD9F800MUX is a synchronous buck DC/DC converter with built-in low on-resistance power MOSFETs. It is capable of providing current of up to 8A. External phase compensation circuit is not necessary for it is a constant on-time control DC/DC converter with high speed response.

Power Supply Reference Board
For Xilinx’s FPGA Spartan-7

Data Sheet Buy * Sample *
* This is a standard-grade product.
For Automotive usage, please contact Sales.

Product Detail

 
Part Number | BD9F800MUX-ZE2
Status | Recommended
Package | VQFN11X3535A
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Synchronous

Vin1(Min.)[V]

4.5

Vin1(Max.)[V]

28.0

Vout1(Min.)[V]

0.765

Vout1(Max.)[V]

13.5

Iout1(Max.)[A]

8.0

SW frequency(Max.)[MHz]

0.3

Light Load mode

No

EN

Yes

PGOOD

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

3.5x3.5 (t=0.6)

Features:

  • Key Specifications
    • · Input Voltage Range: 4.5V to 28 V
    • · Output Voltage Setting Range: 0.765V to 13.5V
    • · Output Current: 8A (Max)
    • · Switching Frequency: 300kHz or 600kHz (Typ)
    • · High Side MOSFET On-Resistance: 23 mΩ (Typ)
    • · Low Side MOSFET On-Resistance: 11 mΩ (Typ)
    • · Shutdown Current: 2μA (Typ)
  • Synchronous Single DC/DC Converter
  • Constant On-time Control
  • Over Current Protection
  • Short Circuit Protection
  • Thermal Shutdown Protection
  • Under Voltage Lockout Protection
  • Power Good Output
  • VQFN11X3535A Package

Evaluation
Board

 
    • Evaluation Board
    • BD9F800MUX-EVK-001
    • BD9F800MUX-EVK-001 uses BD9F800MUX to output 1V from a 12V input voltage. The input voltage of the BD9F800MUX is from 4.5V to 28V and the output voltage is configurable from 0.765V to 13.5V with external resistors. The switching frequency can be selected as 300 kHz or 600 kHz. BD9F800MUX is a constant on-time controlled DC/DC converter with fast transient response and does not require external phase compensation .

  • User's Guide Purchase Inquiry
    • Reference Design
    • Spartan-7 Reference
    • Reference power supply optimized for Xilinx’s FPGA Spartan-7

  • Detail

Design Resources

 

Technical Articles

Tools

Calculation Tools

This Calculation Sheet supports the application circuit design of switching regulators. The sheet has formulas necessary for determining peripheral parts. You can easily determine the circuit parameters that meet the desired characteristics by setting the values according to the guidance.
  • Calculation-sheet for the circuit theoretical formula - BD9F800MUX-Z

2D/3D/CAD

  • VQFN11X3535A Footprint / Symbol

Packaging & Quality

Package Information

Manufacturing Data