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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3859EFE#PBF
Linear Technology
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See specifications for product details.

LTC3859EFE#PBF - Linear Technology

Manufacturer Part Number
LTC3859EFE#PBF
Manufacturer
Linear Technology
Allelco Part Number
32D-LTC3859EFE#PBF
ECAD Model
Parts Description
LTC3859 - LOW IQ, TRIPLE OUTPUT,
Detailed Description
Package
38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Data sheet
LTC3859EFE#PBF.pdf
In stock: 4950

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Specifications

LTC3859EFE#PBF Tech Specifications
Linear Technology - LTC3859EFE#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology - LTC3859EFE#PBF

Product Attribute Attribute Value  
Manufacturer Linear Technology  
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 Bulk  
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 50kHz ~ 900kHz  
Duty Cycle (Max) 99%, 100%  
Control Features Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking  
Clock Sync No  
Base Product Number LTC3859  

Parts Introduction

Manufacturer Part Number

LTC3859EFE#PBF

Manufacturer

analog-devices

Introduction

The LTC3859EFE#PBF is a highly versatile and energy-efficient power management integrated circuit (PMIC) that provides flexible DC-DC power conversion capabilities. It is designed to handle a wide range of input voltages, from 4.5V to 38V, and can be configured to operate in various topologies, including buck, buck-boost, and SEPIC, making it suitable for a diverse range of applications.

Product Features and Performance

Supports 3 outputs with 2 phases

Wide input voltage range: 4.5V to 38V

Switching frequency range: 115kHz to 835kHz, 350kHz to 535kHz

Maximum duty cycle: 99%, 100%

Synchronous rectification for improved efficiency

Integrated soft-start and power good functionality

Supports enable, frequency control, and tracking control features

Wide operating temperature range: -40°C to 125°C (TJ)

Product Advantages

Highly versatile and configurable power conversion capabilities

Excellent efficiency and power density

Wide input voltage range for use in various application environments

Integrated features for enhanced control and system performance

Key Reasons to Choose This Product

Robust and reliable power management solution

Supports a wide range of applications with flexible configuration options

Optimized for energy efficiency and thermal management

Comprehensive suite of control and protection features

Quality and Safety Features

Designed and manufactured to high quality standards

Robust thermal management for reliable operation

Comprehensive protection features, including overcurrent, overvoltage, and thermal shutdown

Compatibility

The LTC3859EFE#PBF is a standard power management IC and is compatible with a wide range of electronic devices and systems that require flexible DC-DC power conversion.

Application Areas

Industrial equipment and machinery

Automotive electronics

Telecommunications and networking equipment

Renewable energy systems

Consumer electronics

Product Lifecycle

The LTC3859EFE#PBF is an active and currently available product. There are no known plans for discontinuation at this time. Customers are advised to contact our website's sales team for the most up-to-date information on product availability and any potential alternative or equivalent models.

Parts with Similar Specifications

The three parts on the right have similar specifications to Linear Technology LTC3859EFE#PBF

Product Attribute LTC3859EFE#PBF LTC3859ALEUHF#PBF LTC3859AIFE#TRPBF LTC3859IFE#TRPBF
Part Number LTC3859EFE#PBF LTC3859ALEUHF#PBF LTC3859AIFE#TRPBF LTC3859IFE#TRPBF
Manufacturer Linear Technology Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Frequency - Switching 50kHz ~ 900kHz 115kHz ~ 835kHz, 350kHz ~ 535kHz 115kHz ~ 835kHz, 350kHz ~ 535kHz 115kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max) 99%, 100% 99%, 100% 99%, 100% 99%, 100%
Output Phases 2 2 2 2
Package Bulk Tube Tape & Reel (TR) Tape & Reel (TR)
Package / Case 38-TFSOP (0.173", 4.40mm Width) Exposed Pad 38-WFQFN Exposed Pad 38-TFSOP (0.173', 4.40mm Width) Exposed Pad 38-TFSOP (0.173', 4.40mm Width) Exposed Pad
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V 4.5V ~ 38V 4.5V ~ 38V 4.5V ~ 38V
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Topology Buck, Buck-Boost, SEPIC Buck, Buck-Boost, SEPIC Buck, Buck-Boost, SEPIC Buck, Buck-Boost, SEPIC
Clock Sync No No No No
Function Step-Down, Step-Up/Step-Down Step-Down, Step-Up/Step-Down Step-Down, Step-Up/Step-Down Step-Down, Step-Up/Step-Down
Supplier Device Package 38-TSSOP-EP 38-QFN (5x7) 38-TSSOP-EP 38-TSSOP-EP
Synchronous Rectifier Yes Yes Yes Yes
Serial Interfaces - - - -
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Base Product Number LTC3859 LTC3859 LTC3859 LTC3859
Series - - - -
Number of Outputs 3 3 3 3
Control Features Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start, Tracking
Output Configuration Positive Positive Positive Positive

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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Linear Technology

LTC3859EFE#PBF

Linear Technology
32D-LTC3859EFE#PBF

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