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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3856EUH#PBF
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LTC3856EUH#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC3856EUH#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3856EUH#PBF
ECAD Model
Parts Description
IC REG CTRLR BUCK 32WFQFN
Detailed Description
Package
32-WFQFN Exposed Pad
Data sheet
LTC3856.pdf
RoHs Status
ROHS3 Compliant
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Specifications

LTC3856EUH#PBF Tech Specifications
Analog Devices Inc. - LTC3856EUH#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3856EUH#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 32-QFN (5x5)  
Series PolyPhase®  
Serial Interfaces -  
Package / Case 32-WFQFN Exposed Pad  
Package Tube  
Output Type Transistor Driver  
Output Phases 2  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 2  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 250kHz ~ 770kHz  
Duty Cycle (Max) 94%  
Control Features Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking  
Clock Sync No  
Base Product Number LTC3856  

Parts Introduction

Manufacturer Part Number

LTC3856EUH#PBF

Manufacturer

Analog Devices

Introduction

High-performance dual output synchronous step-down switching regulator controller

Product Features and Performance

Dual output synchronous operation

Wide input voltage range: 4.5V to 38V

Adjustable switching frequency: 250kHz to 770kHz

Capable of up to 94% duty cycle

Integrated features for precise control: Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking

Robust thermal performance with -40°C to 125°C operating temperature range

PolyPhase operation for parallel or multi-phase configurations, enhancing current capability and reducing output voltage ripple

Product Advantages

High efficiency due to synchronous rectification

Optimized for fast transient response

Flexible power system management with tracking and phase control features

Scalable design, suitable for high-power applications with multi-phase capability

Key Technical Parameters

Number of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 4.5V to 38V

Switching Frequency: 250kHz to 770kHz

Max Duty Cycle: 94%

Synchronous Rectifier: Yes

Operating Temperature Range: -40°C to 125°C

Package/Case: 32-WFQFN Exposed Pad

Mounting Type: Surface Mount

Quality and Safety Features

Over-temperature protection

Current limit for output protection

Sturdy construction suitable for various industrial applications

Compatibility

Compatible with a broad range of input voltages and output configurations

Adaptable for use with multiple types of synchronous rectifiers

Application Areas

Telecommunications

Data Processing Systems

Distributed Power Systems

Industrial Applications

Product Lifecycle

Status: Active

No immediate discontinuation, replacements or upgrades anticipated

Several Key Reasons to Choose This Product

Highly efficient and energy-saving design

Robust build for demanding industrial environments

Design flexibility with adjustable parameters for specific applications

Long product lifecycle ensures stable supply and support

Supports complex power supply designs with multi-phase and poly-phase configurations

Maintains performance over a wide temperature range

Adaptable for various voltage and frequency requirements

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3856EUH#PBF

Product Attribute LTC3856EUH#PBF LTC3855IUJ#PBF LTC3854IDDB#TRPBF LTC3854EMSE#TRPBF
Part Number LTC3856EUH#PBF LTC3855IUJ#PBF LTC3854IDDB#TRPBF LTC3854EMSE#TRPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Serial Interfaces - - - -
Synchronous Rectifier Yes Yes Yes Yes
Supplier Device Package 32-QFN (5x5) 40-QFN (6x6) 12-DFN (3x2) 12-MSOP-EP
Control Features Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking Enable, Soft Start Enable, Soft Start
Series PolyPhase® PolyPhase® - -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Topology Buck Buck Buck Buck
Clock Sync No No No No
Package Tube Tube Tape & Reel (TR) Tape & Reel (TR)
Duty Cycle (Max) 94% 95% 98% 98%
Frequency - Switching 250kHz ~ 770kHz 250kHz ~ 770kHz 400kHz 400kHz
Function Step-Down Step-Down Step-Down Step-Down
Output Phases 2 2 1 1
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V 4.5V ~ 38V 4.5V ~ 38V 4.5V ~ 38V
Number of Outputs 2 2 1 1
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Base Product Number LTC3856 LTC3855 LTC3854 LTC3854
Output Configuration Positive Positive Positive Positive
Package / Case 32-WFQFN Exposed Pad 40-WFQFN Exposed Pad 12-WFDFN Exposed Pad 12-TSSOP (0.118", 3.00mm Width) Exposed Pad

LTC3856EUH#PBF Datasheet PDF

Download LTC3856EUH#PBF pdf datasheets and Analog Devices Inc. documentation for LTC3856EUH#PBF - Analog Devices Inc..

Datasheets
LTC3856.pdf
PCN Assembly/Origin
Alt Assembly Site 20/Jan/2022.pdf

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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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LTC3856EUH#PBF Image

LTC3856EUH#PBF

Analog Devices Inc.
32D-LTC3856EUH#PBF

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