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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3859AEFE#PBF
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LTC3859AEFE#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC3859AEFE#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3859AEFE#PBF
ECAD Model
Parts Description
IC REG CTRLR MULT TOP 38TSSOP
Detailed Description
Package
38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Data sheet
LTC3859A Datasheet.pdf
LTC3859A Datasheet.pdf
RoHs Status
ROHS3 Compliant
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In stock: 4637

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Specifications

LTC3859AEFE#PBF Tech Specifications
Analog Devices Inc. - LTC3859AEFE#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3859AEFE#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V  
Topology Buck, Buck-Boost, SEPIC  
Synchronous Rectifier Yes  
Supplier Device Package 38-TSSOP-EP  
Series -  
Serial Interfaces -  
Package / Case 38-TFSOP (0.173", 4.40mm Width) 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 3  
Mounting Type Surface Mount  
Function Step-Down, Step-Up/Step-Down  
Frequency - Switching 115kHz ~ 835kHz, 350kHz ~ 535kHz  
Duty Cycle (Max) 99%, 100%  
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking  
Clock Sync No  
Base Product Number LTC3859  

Parts Introduction

Manufacturer Part Number

LTC3859AEFE#PBF

Manufacturer

Analog Devices

Introduction

The LTC3859AEFE#PBF is a high-performance, dual-phase, wide input voltage range, synchronous step-down DC/DC controller. It offers a comprehensive set of control and protection features, making it suitable for a wide range of industrial, automotive, and telecom applications.

Product Features and Performance

Wide input voltage range of 4.5V to 38V

Dual-phase operation for improved efficiency and thermal performance

Switching frequency range of 115kHz to 835kHz, with a factory-set default of 350kHz to 535kHz

Maximum duty cycle of 99% for buck mode and 100% for buck-boost/SEPIC mode

Synchronous rectification for high efficiency

Adjustable current limit, soft-start, and power-good signal

Tracking capability for sequencing multiple supplies

Thermal shutdown and overload protection

Product Advantages

Excellent efficiency and thermal performance

Comprehensive control and protection features

Wide input voltage range for versatile applications

Small footprint and high power density

Key Reasons to Choose This Product

Reliable and robust performance

Highly configurable to meet diverse application requirements

Industry-leading efficiency and thermal management

Allows for compact and space-optimized designs

Quality and Safety Features

Operates over a wide temperature range of -40°C to 125°C junction temperature

Exposed pad package for enhanced thermal dissipation

Overcurrent, overvoltage, and thermal protection features

Compatibility

The LTC3859AEFE#PBF is designed to be compatible with a wide range of industrial, automotive, and telecom applications that require a reliable and efficient DC/DC conversion solution.

Application Areas

Industrial automation and control systems

Automotive electronics and power management

Telecom and networking equipment

Medical equipment and instrumentation

Portable and battery-powered devices

Product Lifecycle

The LTC3859AEFE#PBF is an active product, and our website's sales team continues to support it. There are no immediate plans for discontinuation. However, as technology evolves, customers are advised to contact our website's sales team for the latest product information and availability of any potential alternative or equivalent models.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3859AEFE#PBF

Product Attribute LTC3859AEFE#PBF LTC3858IGN-1#PBF LTC3859AEUHF#PBF LTC3859ALEFE#PBF
Part Number LTC3859AEFE#PBF LTC3858IGN-1#PBF LTC3859AEUHF#PBF LTC3859ALEFE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V 4V ~ 38V 4.5V ~ 38V 4.5V ~ 38V
Series - - - -
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Duty Cycle (Max) 99%, 100% 99.4% 99%, 100% 99%, 100%
Output Configuration Positive Positive Positive Positive
Function Step-Down, Step-Up/Step-Down Step-Down Step-Down, Step-Up/Step-Down Step-Down, Step-Up/Step-Down
Number of Outputs 3 2 3 3
Base Product Number LTC3859 LTC3858 LTC3859 LTC3859
Clock Sync No No No No
Output Phases 2 2 2 2
Topology Buck, Buck-Boost, SEPIC Buck Buck, Buck-Boost, SEPIC Buck, Buck-Boost, SEPIC
Package / Case 38-TFSOP (0.173", 4.40mm Width) Exposed Pad 28-SSOP (0.154', 3.90mm Width) 38-WFQFN Exposed Pad 38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Synchronous Rectifier Yes Yes Yes Yes
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start Enable, Frequency Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start, Tracking
Frequency - Switching 115kHz ~ 835kHz, 350kHz ~ 535kHz 105kHz ~ 835kHz, 350kHz ~ 535kHz 115kHz ~ 835kHz, 350kHz ~ 535kHz 115kHz ~ 835kHz, 350kHz ~ 535kHz
Serial Interfaces - - - -
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Supplier Device Package 38-TSSOP-EP 28-SSOP 38-QFN (5x7) 38-TSSOP-EP
Package Tube Tube Tube Tube

LTC3859AEFE#PBF Datasheet PDF

Download LTC3859AEFE#PBF pdf datasheets and Analog Devices Inc. documentation for LTC3859AEFE#PBF - Analog Devices Inc..

Datasheets
LTC3859A Datasheet.pdf
PCN Assembly/Origin
Mult Dev Wafer Site Chg 31/Jul/2020.pdf
HTML Datasheet
LTC3859A Datasheet.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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LTC3859AEFE#PBF Image

LTC3859AEFE#PBF

Analog Devices Inc.
32D-LTC3859AEFE#PBF

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