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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3854IMSE#TRPBF
LTC3854IMSE#TRPBF Image
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See specifications for product details.

LTC3854IMSE#TRPBF - Analog Devices Inc.

Manufacturer Part Number
LTC3854IMSE#TRPBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3854IMSE#TRPBF
ECAD Model
Parts Description
IC REG CTRLR BUCK 12MSOP
Detailed Description
Package
12-TSSOP (0.118", 3.00mm Width) Exposed Pad
Data sheet
LTC3854.pdf
RoHs Status
ROHS3 Compliant
In stock: 11779

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Specifications

LTC3854IMSE#TRPBF Tech Specifications
Analog Devices Inc. - LTC3854IMSE#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3854IMSE#TRPBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 12-MSOP-EP  
Series -  
Serial Interfaces -  
Package / Case 12-TSSOP (0.118", 3.00mm Width) Exposed Pad  
Package Tape & Reel (TR)  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 400kHz  
Duty Cycle (Max) 98%  
Control Features Enable, Soft Start  
Clock Sync No  
Base Product Number LTC3854  

Parts Introduction

Manufacturer Part Number

LTC3854IMSE#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3854IMSE#TRPBF is a high performance step-down switching regulator controller that operates over a wide input voltage range.

Product Features and Performance

Wide 4.5V to 38V operating input range

Stable with low ESR ceramic output capacitors

High efficiency synchronous operation

Configurable switch frequency up to 400kHz

98% maximum duty cycle for low dropout operation

Internal soft-start limits inrush current during startup

Fixed frequency current mode operation for excellent line and load transient response

Product Advantages

Versatile power solution for a variety of applications

Ability to drive high power external MOSFETs

Low dropout operation extends battery life in portable systems

Predictable performance with programmable soft start

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 1

Output Phases: 1

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

Frequency Switching: 400kHz

Duty Cycle (Max): 98%

Synchronous Rectifier: Yes

Quality and Safety Features

Overvoltage protection circuitry helps prevent damage to the system

Built-in thermal shutdown function for additional safety

Compatibility

Compatible with a wide variety of external MOSFETs

Can be used in designs with ceramic and bulk capacitors

Application Areas

Distributed Power Systems

Telecommunications Equipment

Computing Devices

Automotive Power Systems

Industrial Power Supplies

Product Lifecycle

Status: Active

Not near discontinuation

Replacements or upgrades might be available depending on system requirements

Key Reasons to Choose This Product

Efficient power management for systems that require a wide input voltage range

Minimizes power losses due to its high efficiency and synchronous operation

Flexible design options due to its compatibility with various types of capacitors and MOSFETs

Suitable for robust environments with its wide temperature range operation

Low risk for obsolescence thanks to its active product status

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3854IMSE#TRPBF

Product Attribute LTC3854IMSE#TRPBF LTC3854EDDB#TRPBF LTC3857EGN-1#TRPBF LTC3856EUH#TRPBF
Part Number LTC3854IMSE#TRPBF LTC3854EDDB#TRPBF LTC3857EGN-1#TRPBF LTC3856EUH#TRPBF
Manufacturer Analog Devices Inc. Linear Technology Analog Devices Inc. Analog Devices Inc.
Topology Buck Buck Buck Buck
Duty Cycle (Max) 98% 98% 99.4% 94%
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V 4.5V ~ 38V 4V ~ 38V 4.5V ~ 38V
Serial Interfaces - - - -
Synchronous Rectifier Yes Yes Yes Yes
Control Features Enable, Soft Start - Enable, Frequency Control, Power Good, Soft Start, Tracking Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Package Tape & Reel (TR) Bulk Tape & Reel (TR) Tape & Reel (TR)
Function Step-Down Step-Down Step-Down Step-Down
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Clock Sync No Yes No No
Base Product Number LTC3854 - LTC3857 LTC3856
Output Configuration Positive Positive Positive Positive
Package / Case 12-TSSOP (0.118", 3.00mm Width) Exposed Pad 12-WFDFN Exposed Pad 28-SSOP (0.154', 3.90mm Width) 32-WFQFN Exposed Pad
Frequency - Switching 400kHz 400kHz 105kHz ~ 835kHz, 350kHz ~ 535kHz 250kHz ~ 770kHz
Series - - PolyPhase® PolyPhase®
Number of Outputs 1 1 2 2
Output Phases 1 1 2 2
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Supplier Device Package 12-MSOP-EP 12-DFN (3x2) 28-SSOP 32-QFN (5x5)

LTC3854IMSE#TRPBF Datasheet PDF

Download LTC3854IMSE#TRPBF pdf datasheets and Analog Devices Inc. documentation for LTC3854IMSE#TRPBF - Analog Devices Inc..

Datasheets
LTC3854.pdf
Other Related Documents
Tape and Reel Packaging.pdf
PCN Design/Specification
Mult Dev 11/Oct/2022.pdf Mult Dev Mark Chg 4/Feb/2020.pdf
PCN Assembly/Origin
Multiple Parts 18/Apr/2022.pdf
Environmental Information
Material Declaration LTC3854IMSE#TRPBF.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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LTC3854IMSE#TRPBF Image

LTC3854IMSE#TRPBF

Analog Devices Inc.
32D-LTC3854IMSE#TRPBF

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