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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3731HUH#TRPBF
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LTC3731HUH#TRPBF - Analog Devices Inc.

Manufacturer Part Number
LTC3731HUH#TRPBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3731HUH#TRPBF
ECAD Model
Parts Description
IC REG CTRLR BUCK 32QFN
Package
32-WFQFN Exposed Pad
Data sheet
LTC3731H.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 4551

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Specifications

LTC3731HUH#TRPBF Tech Specifications
Analog Devices Inc. - LTC3731HUH#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3731HUH#TRPBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Vcc/Vdd) 3.8V ~ 7V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 32-QFN (5x5)  
Series PolyPhase®  
Serial Interfaces -  
Package / Case 32-WFQFN Exposed Pad  
Package Tape & Reel (TR)  
Output Type Transistor Driver  
Output Phases 3  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature -40°C ~ 140°C (TJ)  
Number of Outputs 3  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 225kHz ~ 680kHz  
Duty Cycle (Max) 98.5%  
Control Features Enable, Phase Control, Power Good, Soft Start  
Clock Sync No  
Base Product Number LTC3731  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LTC3731HUH#TRPBF

Manufacturer

analog-devices

Introduction

The LTC3731HUH#TRPBF is a high-performance, three-phase step-down DC/DC switching controller that provides a regulated output voltage from an input voltage range of 3.8V to 7V. It is part of the PolyPhase® series and offers a wide range of advanced features for high-efficiency power conversion.

Product Features and Performance

Three-phase operation for reduced input/output ripple and increased power density

Switching frequency range of 225kHz to 680kHz

Maximum duty cycle of 98.5%

Synchronous rectification for improved efficiency

Comprehensive control features including enable, phase control, power good, and soft start

Product Advantages

High efficiency power conversion

Reduced input/output ripple for cleaner power

Increased power density through three-phase operation

Comprehensive control features for advanced power management

Key Reasons to Choose This Product

Reliable and efficient power conversion for a wide range of applications

Flexible design with advanced control features

Compact and scalable solution for high-power density requirements

Proven PolyPhase® technology from a trusted manufacturer

Quality and Safety Features

Operates over a wide temperature range of -40°C to 140°C (junction temperature)

Surface mount package for easy integration

Complies with industry safety standards

Compatibility

The LTC3731HUH#TRPBF is compatible with a variety of power supply and control systems that require a high-performance, three-phase step-down DC/DC switching controller.

Application Areas

Industrial automation and control

Communications equipment

Automotive electronics

Portable devices

Medical equipment

Product Lifecycle

The LTC3731HUH#TRPBF is an active product. There are no immediate plans for discontinuation. Analog Devices may offer alternative or equivalent models in the future. For the most up-to-date information, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3731HUH#TRPBF

Product Attribute LTC3731HUH#TRPBF LTC3731IUH#TRPBF LTC3731CG#TRPBF LTC3731IUH#PBF
Part Number LTC3731HUH#TRPBF LTC3731IUH#TRPBF LTC3731CG#TRPBF LTC3731IUH#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tube
Package / Case 32-WFQFN Exposed Pad 32-WFQFN Exposed Pad 36-SSOP (0.209', 5.30mm Width) 32-WFQFN Exposed Pad
Number of Outputs 3 3 3 3
Clock Sync No No No No
Serial Interfaces - - - -
Topology Buck Buck Buck Buck
Operating Temperature -40°C ~ 140°C (TJ) -40°C ~ 85°C (TA) 0°C ~ 70°C (TA) -40°C ~ 85°C (TA)
Voltage - Supply (Vcc/Vdd) 3.8V ~ 7V 3.8V ~ 7V 3.8V ~ 7V 3.8V ~ 7V
Control Features Enable, Phase Control, Power Good, Soft Start Enable, Phase Control, Power Good, Soft Start Enable, Phase Control, Power Good, Soft Start Enable, Phase Control, Power Good, Soft Start
Series PolyPhase® PolyPhase® PolyPhase® PolyPhase®
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Output Configuration Positive Positive Positive Positive
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Function Step-Down Step-Down Step-Down Step-Down
Output Phases 3 3 3 3
Base Product Number LTC3731 LTC3731 LTC3731 LTC3731
Supplier Device Package 32-QFN (5x5) 32-QFN (5x5) 36-SSOP 32-QFN (5x5)
Frequency - Switching 225kHz ~ 680kHz 225kHz ~ 680kHz 225kHz ~ 680kHz 225kHz ~ 680kHz
Duty Cycle (Max) 98.5% 98.5% 98.5% 98.5%
Synchronous Rectifier Yes Yes Yes Yes

LTC3731HUH#TRPBF Datasheet PDF

Download LTC3731HUH#TRPBF pdf datasheets and Analog Devices Inc. documentation for LTC3731HUH#TRPBF - Analog Devices Inc..

Datasheets
LTC3731H.pdf
Other Related Documents
Tape and Reel Packaging.pdf
PCN Assembly/Origin
Alt Assembly Site 20/Jan/2022.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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LTC3731HUH#TRPBF

Analog Devices Inc.
32D-LTC3731HUH#TRPBF

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