BD9C501EFJ
4.5V to 18V Input, 5.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter

BD9C501EFJ is a synchronous buck switching regulator with built-in low on-resistance power MOSFETs. With wide input voltage range, It is capable of providing current of up to 5A. It is a current mode control DC/DC converter and features high-speed transient response. Phase compensation can also be set easily.

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

Product Detail

 
Part Number | BD9C501EFJ-E2
Status | Recommended
Package | HTSOP-J8
Packing Type | Taping
Unit Quantity | 2500
Minimum Package Quantity | 2500
RoHS | Yes

Specifications:

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Synchronous

Vin1(Min.)[V]

4.5

Vin1(Max.)[V]

18

Vout1(Min.)[V]

0.8

Vout1(Max.)[V]

12.6

Iout1(Max.)[A]

5

SW frequency(Max.)[MHz]

0.55

Light Load mode

No

EN

Yes

PGOOD

No

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

4.9x6 (t=1)

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Features:

・ Synchronous 1 ch DC/DC converter
・ Over Current protection
・ Thermal Shutdown protection
・ Under Voltage lockout protection
・ Short Circuit Protection
・ Fixed soft start function 1msec

Reference Design / Application Evaluation Kit

 
    • Evaluation Board - BD9C501EFJ-EVK-001
    • This evaluation board has been developed for ROHM’s synchronous buck DC/DC converter customers evaluating BD9C501EFJ. While accepting a power supply of 4.72-18V, an output of 3.3V can be produced. The IC has internal 50mΩ high-side P-channel MOSFET and 35mΩ low-side N-channel MOSFET and a synchronization frequency is of 500kHz.

  • User's Guide Layout (CAD Data)
X

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