BD9DA00MF datasheet(1/53 Pages) ROHM

Teilenummer	BD9DA00MF

Bauteilbeschribung	4 V to 16 V Input, 12 A Integrated MOSFET Single Synchronous Buck DC/DC Converter

PDF	53 Pages

Scroll/Zoom	100%

Hersteller	ROHM [Rohm]

Direct Link	http://www.rohm.com

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1 / 53 page

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Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.

1/50

TSZ02201-0J2J0AB01940-1-2

18.Mar.2025 Rev.001

TSZ22111 • 14 • 001

www.rohm.com

4 V to 16 V Input, 12 A Integrated MOSFET

Single Synchronous Buck DC/DC Converter

BD9DA00MF

General Description

BD9DA00MF is a synchronous buck DC/DC converter

with built-in low on-resistance power MOSFETs. The

device operates with output current up to 12 A. The

output voltage accuracy is ±1%. It features fast transient

response due to QuiCurTM and constant on-time control

system. The Light Load Mode control improves efficiency

in light-load conditions. It achieves high power density

and offer a small footprint on the PCB by employing small

package.

Features



QuiCurTM



Nano Pulse ControlTM



Single Synchronous Buck DC/DC Converter



Constant On-time Control



Light Load Mode (LLM)



Adjustable Soft Start



Power Good Output



Selectable Switching Frequency



Output Voltage Remote Sense



Adjustable Reference Voltage



Output Discharge



Over Voltage Protection (OVP)



Adjustable Over Current Protection (OCP)



Short Circuit Protection (SCP)



Thermal Shutdown Protection (TSD)



Under Voltage Lockout Protection (UVLO)

Applications



Step-down Power Supply for SoC, FPGA,

Microprocessor



Servers

Key Specifications



Input Voltage Range:

4 V to 16 V



Input Voltage Range with External VCC Bias:

2.7 V to 14 V



Output Voltage Range:

0.6 V to 5.5 V



Output Current:

12 A (Max)



Switching Frequency: 600 kHz, 800 kHz, 1 MHz (Typ)



High-Side FET ON Resistance:

16 mΩ (Typ)



Low-Side FET ON Resistance:

4 mΩ (Typ)



Shutdown Current:

0 μA (Typ)

Package

W (Typ) x D (Typ) x H (Max)

UFN014V3040

3.0 mm x 4.0 mm x 1.0 mm

Typical Application Circuit

QuiCurTM, Nano Pulse ControlTM are trademarks or registered trademarks of ROHM Co., Ltd.

VIN

BST

BD9DA00MF

SW

FB

VOUT

L

VCC

CBST

CVCC

AGND

PGD

ILIM

COUT

CIN

RUP

RDOWN

MODE

PGND

SS/REF

VIN

EN

VEN

RGND

RMODE

RILIM

CSS1

CSS2

CFB

Datasheet

QuiCurTM

Nano Pulse ControlTM

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