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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC7821EUH#PBF
LTC7821EUH#PBF Image
Image may be representation.
See specifications for product details.

LTC7821EUH#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC7821EUH#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC7821EUH#PBF
ECAD Model
Parts Description
IC REG CTRLR BUCK HYBRID 32QFN
Detailed Description
Package
32-WFQFN Exposed Pad
Data sheet
LTC7821 Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 4888

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Quantity

Specifications

LTC7821EUH#PBF Tech Specifications
Analog Devices Inc. - LTC7821EUH#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC7821EUH#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Vcc/Vdd) 10V ~ 72V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 32-QFN (5x5)  
Series -  
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 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 200kHz ~ 1.5MHz  
Duty Cycle (Max) 40%  
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking  
Clock Sync No  
Base Product Number LTC7821  

Parts Introduction

Manufacturer Part Number

LTC7821EUH#PBF

Manufacturer

Analog Devices

Introduction

The LTC7821EUH#PBF is a high-performance, 2-phase, synchronous step-down DC/DC controller with a wide input voltage range of 10V to 72V. It offers a variety of advanced features and control functions to meet the demands of complex power supply designs.

Product Features and Performance

Wide input voltage range of 10V to 72V

2-phase operation with 200kHz to 1.5MHz switching frequency

Maximum 40% duty cycle

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

Operating temperature range of -40°C to 125°C (TJ)

Surface mount 32-WFQFN exposed pad package

Product Advantages

Efficient power conversion with 2-phase operation

Flexible switching frequency range for optimal design

Advanced control features for enhanced performance and reliability

Wide operating temperature range for diverse applications

Key Reasons to Choose This Product

Robust and reliable power management solution

Versatile design flexibility to meet various system requirements

Excellent thermal management with the exposed pad package

Cost-effective and energy-efficient power conversion

Quality and Safety Features

Rigorous quality control and testing processes

Compliance with industry safety standards

Compatibility

The LTC7821EUH#PBF is compatible with a wide range of power supply and circuit design applications.

Application Areas

Industrial automation and control systems

Telecommunications and networking equipment

Automotive and transportation systems

Renewable energy and industrial power systems

Product Lifecycle

The LTC7821EUH#PBF is an active product, and there are no immediate plans for discontinuation. However, as technology evolves, customers are advised to check with our website's sales team for the latest information on equivalent or alternative models that may be available.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC7821EUH#PBF

Product Attribute LTC7821EUH#PBF LTC7841EUHE#TRPBF LTC7820IUFD#TRPBF LTC7821IUH#TRPBF
Part Number LTC7821EUH#PBF LTC7841EUHE#TRPBF LTC7820IUFD#TRPBF LTC7821IUH#TRPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Package / Case 32-WFQFN Exposed Pad 36-WFQFN Exposed Pad 28-WFQFN Exposed Pad 32-WFQFN Exposed Pad
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Number of Outputs 1 1 1 1
Output Phases 2 12 2 2
Serial Interfaces - I²C, PMBus, SMBus - -
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Series - - - -
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking Current Limit, Power Good Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Base Product Number LTC7821 LTC7841 LTC7820 LTC7821
Voltage - Supply (Vcc/Vdd) 10V ~ 72V 4.5V ~ 60V 6V ~ 72V 10V ~ 72V
Synchronous Rectifier No Yes No No
Output Configuration Positive Positive Positive Positive
Supplier Device Package 32-QFN (5x5) 36-QFN (5x6) 28-QFN (4x5) 32-QFN (5x5)
Duty Cycle (Max) 40% 96% 50% 40%
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Topology Buck Boost Buck, Boost Buck
Function Step-Down Step-Up Step-Up, Step-Down Step-Down
Clock Sync No Yes No No
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Frequency - Switching 200kHz ~ 1.5MHz 75kHz ~ 850kHz 100kHz ~ 1MHz 200kHz ~ 1.5MHz

LTC7821EUH#PBF Datasheet PDF

Download LTC7821EUH#PBF pdf datasheets and Analog Devices Inc. documentation for LTC7821EUH#PBF - Analog Devices Inc..

Datasheets
LTC7821 Datasheet.pdf
PCN Assembly/Origin
Alt Assembly Site 20/Jan/2022.pdf
PCN Design/Specification
LTC7821 Die Rev 30/Jun/2021.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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LTC7821EUH#PBF

Analog Devices Inc.
32D-LTC7821EUH#PBF

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