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HomeProductsIntegrated Circuits (ICs)PMIC - Full, Half-Bridge DriversFDMF6705B
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FDMF6705B - onsemi

Manufacturer Part Number
FDMF6705B
Manufacturer
onsemi
Allelco Part Number
32D-FDMF6705B
ECAD Model
Parts Description
IC HALF BRIDGE DRIVER 38A 40PQFN
Package
40-PowerTFQFN
Data sheet
FDMF6705B.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 14539

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Specifications

FDMF6705B Tech Specifications
onsemi - FDMF6705B technical specifications, attributes, parameters and parts with similar specifications to onsemi - FDMF6705B

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Supply 4.5V ~ 5.5V  
Voltage - Load 3V ~ 24V  
Technology DrMOS  
Supplier Device Package 40-PQFN (6x6)  
Series XS™ DrMOS  
Rds On (Typ) 1Ohm LS, 1Ohm HS  
Package / Case 40-PowerTFQFN  
Package Tape & Reel (TR)  
Output Configuration Half Bridge  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 150°C (TJ)  
Mounting Type Surface Mount  
Load Type Inductive  
Interface PWM  
Features Bootstrap Circuit, Status Flag  
Fault Protection Over Temperature, Shoot-Through, UVLO  
Current - Peak Output -  
Current - Output / Channel 38A  
Base Product Number FDMF6705  
Applications Synchronous Buck Converters  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8541.29.0095

Parts Introduction

Manufacturer Part Number

FDMF6705B

Manufacturer

onsemi

Introduction

The onsemi FDMF6705B is a high-performance, fully-integrated half-bridge power stage solution designed for synchronous buck converter applications. It combines two DrMOS power stages and integrated high-side and low-side gate drivers in a single 40-pin PowerTFQFN package.

Product Features and Performance

Integrated high-side and low-side DrMOS power stages for efficient synchronous buck conversion

Wide input voltage range of 4.5V to 5.5V

Wide output voltage range of 3V to 24V

High output current capability of 38A per channel

Low RDS(on) of 1Ω for both high-side and low-side transistors

Bootstrap circuit for high-side gate drive

Comprehensive fault protection including over-temperature, shoot-through, and UVLO

Status flag for fault indication

Product Advantages

Highly integrated solution reduces component count and simplifies design

Efficient power conversion with low conduction losses

Robust protection features ensure reliable and safe operation

Compact PowerTFQFN package enables small solution size

Key Reasons to Choose This Product

Optimized for high-performance, high-efficiency synchronous buck converter designs

Excellent thermal performance and power density for demanding applications

Comprehensive protection features enhance system reliability

Easy to design-in with minimal external components required

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Robust over-temperature, shoot-through, and UVLO protection

Meets stringent quality and reliability standards

Compatibility

The FDMF6705B is compatible with a wide range of microcontrollers and digital signal processors that provide PWM control signals.

Application Areas

Synchronous buck converters

Motor drivers

Industrial and consumer power supplies

Automotive systems

Product Lifecycle

The FDMF6705B is an obsolete product. Customers are advised to contact our website's sales team for information on equivalent or alternative models that may be available.

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi FDMF6705B

Product Attribute FDMF6705B FDMF6705 FDMF6707V FDMF6705
Part Number FDMF6705B FDMF6705 FDMF6707V FDMF6705
Manufacturer onsemi Fairchild Semiconductor onsemi onsemi
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 8V ~ 15V 4.5V ~ 5.5V
Supplier Device Package 40-PQFN (6x6) 40-PQFN (6x6) 40-PQFN (6x6) 40-PQFN (6x6)
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Voltage - Load 3V ~ 24V 3V ~ 24V 3V ~ 15V 3V ~ 24V
Package / Case 40-PowerTFQFN 40-TFQFN Exposed Pad 40-PowerTFQFN 40-PowerTFQFN
Features Bootstrap Circuit, Status Flag Bootstrap Circuit, Status Flag Bootstrap Circuit, Status Flag Bootstrap Circuit, Status Flag
Technology DrMOS DrMOS DrMOS DrMOS
Package Tape & Reel (TR) Bulk Tape & Reel (TR) Tape & Reel (TR)
Output Configuration Half Bridge Half Bridge Half Bridge Half Bridge
Current - Peak Output - - - -
Interface PWM PWM PWM PWM
Rds On (Typ) 1Ohm LS, 1Ohm HS 1Ohm LS, 1Ohm HS 1Ohm LS, 1Ohm HS 1Ohm LS, 1Ohm HS
Load Type Inductive Inductive Inductive Inductive
Current - Output / Channel 38A 38A 45A 38A
Series XS™ DrMOS XS™ DrMOS XS™ DrMOS XS™ DrMOS
Base Product Number FDMF6705 FDMF6705 FDMF6707 FDMF6705
Applications Synchronous Buck Converters Synchronous Buck Converters Synchronous Buck Converters Synchronous Buck Converters
Fault Protection Over Temperature, Shoot-Through, UVLO Over Temperature, Shoot-Through, UVLO Over Temperature, Shoot-Through, UVLO Over Temperature, Shoot-Through, UVLO
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

FDMF6705B Datasheet PDF

Download FDMF6705B pdf datasheets and onsemi documentation for FDMF6705B - onsemi.

Environmental Information
onsemi REACH.pdf onsemi RoHS.pdf Material Declaration FDMF6705B.pdf
PCN Design/Specification
Logo 17/Aug/2017.pdf
PCN Packaging
Mult Devices 24/Oct/2017.pdf
PCN Obsolescence/ EOL
Obsolete Notice 15/Dec/2022.pdf
PCN Assembly/Origin
Wafer 6/8 Inch Addition 16/Jun/2014.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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FDMF6705B Image

FDMF6705B

onsemi
32D-FDMF6705B

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