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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3850IUFD#PBF
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LTC3850IUFD#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC3850IUFD#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3850IUFD#PBF
ECAD Model
Parts Description
IC REG CTRLR BUCK 28QFN
Package
28-WFQFN Exposed Pad
Data sheet
LTC3850(-1).pdf
RoHs Status
ROHS3 Compliant
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Specifications

LTC3850IUFD#PBF Tech Specifications
Analog Devices Inc. - LTC3850IUFD#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3850IUFD#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Vcc/Vdd) 4V ~ 30V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 28-QFN (4x5)  
Series -  
Serial Interfaces -  
Package / Case 28-WFQFN Exposed Pad  
Package Tube  
Output Type Transistor Driver  
Output Phases 2  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 2  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 250kHz ~ 780kHz  
Duty Cycle (Max) 97.2%  
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking  
Clock Sync No  
Base Product Number LTC3850  

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

LTC3850IUFD#PBF

Manufacturer

analog-devices

Introduction

The LTC3850IUFD#PBF is a dual-channel, current mode step-down DC/DC switching regulator controller with a wide input voltage range. It offers high efficiency, adjustable switching frequency, and a comprehensive set of protection features. This controller is suitable for a variety of power supply applications, including industrial, automotive, and telecommunications equipment.

Product Features and Performance

Dual-channel, current mode step-down DC/DC switching regulator controller

Wide input voltage range: 4V to 30V

Adjustable switching frequency: 250kHz to 780kHz

Maximum duty cycle of 97.2%

Synchronous rectification for high efficiency

Current limit, enable, frequency control, power good, soft start, and tracking control features

Operating temperature range: -40°C to 85°C

Product Advantages

Wide input voltage range for versatile application

High efficiency due to synchronous rectification

Adjustable switching frequency for flexible design

Comprehensive set of protection features for reliable operation

Key Reasons to Choose This Product

Reliable and robust performance for industrial, automotive, and telecommunications applications

Flexible design with adjustable switching frequency and wide input voltage range

Comprehensive protection features ensure safe and reliable operation

High efficiency and compact size enable space-saving power supply designs

Quality and Safety Features

Rigorous quality control and testing

Compliance with relevant safety standards

Compatibility

The LTC3850IUFD#PBF is compatible with a wide range of applications that require a dual-channel, current mode step-down DC/DC switching regulator controller.

Application Areas

Industrial equipment

Automotive electronics

Telecommunications infrastructure

General purpose power supply designs

Product Lifecycle

The LTC3850IUFD#PBF is an active product and is currently in production. There are no known equivalent or alternative models available at this time. If you have any further questions or need assistance, please contact our sales team through our website.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3850IUFD#PBF

Product Attribute LTC3850IUFD#PBF LTC3851AEMSE#PBF LTC3851AEGN#TRPBF LTC3850IGN-2#TRPBF
Part Number LTC3850IUFD#PBF LTC3851AEMSE#PBF LTC3851AEGN#TRPBF LTC3850IGN-2#TRPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Output Phases 2 1 1 2
Package / Case 28-WFQFN Exposed Pad 16-TFSOP (0.118', 3.00mm Width) Exposed Pad 16-SSOP (0.154', 3.90mm Width) 28-SSOP (0.154", 3.90mm Width)
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Series - - - -
Output Configuration Positive Positive Positive Positive
Topology Buck Buck Buck Buck
Duty Cycle (Max) 97.2% 99% 99% 97.2%
Voltage - Supply (Vcc/Vdd) 4V ~ 30V 4V ~ 38V 4V ~ 38V 4V ~ 30V
Function Step-Down Step-Down Step-Down Step-Down
Number of Outputs 2 1 1 2
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking Current Limit, Enable, Frequency Control, Soft Start, Tracking Current Limit, Enable, Frequency Control, Soft Start, Tracking Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Serial Interfaces - - - -
Package Tube Tube Tape & Reel (TR) Tape & Reel (TR)
Supplier Device Package 28-QFN (4x5) 16-MSOP-EP 16-SSOP 28-SSOP
Synchronous Rectifier Yes Yes Yes Yes
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 85°C (TA)
Base Product Number LTC3850 LTC3851 LTC3851 LTC3850
Frequency - Switching 250kHz ~ 780kHz 235kHz ~ 750kHz 235kHz ~ 750kHz 250kHz ~ 780kHz
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Clock Sync No No No No

LTC3850IUFD#PBF Datasheet PDF

Download LTC3850IUFD#PBF pdf datasheets and Analog Devices Inc. documentation for LTC3850IUFD#PBF - Analog Devices Inc..

PCN Assembly/Origin
2.73KHz.pdf
Getting Started Guide
LTpowerPlanner III Quick Start Guide.pdf
HTML Datasheet
LTC3850(-1).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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LTC3850IUFD#PBF Image

LTC3850IUFD#PBF

Analog Devices Inc.
32D-LTC3850IUFD#PBF

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