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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3890IUH-2#PBF
Linear Technology
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LTC3890IUH-2#PBF - Linear Technology

Manufacturer Part Number
LTC3890IUH-2#PBF
Manufacturer
Linear Technology
Allelco Part Number
32D-LTC3890IUH-2#PBF
ECAD Model
Parts Description
LTC3890-2 - High Voltage Dual Ou
Detailed Description
Package
32-WFQFN Exposed Pad
Data sheet
LTC3890IUH-2#PBF.pdf
Our certification
In stock: 9120

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Specifications

LTC3890IUH-2#PBF Tech Specifications
Linear Technology - LTC3890IUH-2#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology - LTC3890IUH-2#PBF

Product Attribute Attribute Value  
Manufacturer Linear Technology  
Voltage - Supply (Vcc/Vdd) 4V ~ 60V  
Topology Buck, SEPIC  
Synchronous Rectifier Yes  
Supplier Device Package 32-QFN (5x5)  
Series Automotive, AEC-Q100  
Serial Interfaces -  
Package / Case 32-WFQFN Exposed Pad  
Package Bulk  
Output Type Transistor Driver  
Product Attribute Attribute Value  
Output Phases 2  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 2  
Mounting Type Surface Mount  
Function Step-Down, Step-Up/Step-Down  
Frequency - Switching 105kHz ~ 835kHz, 350kHz ~ 535kHz  
Duty Cycle (Max) 99%  
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking  
Clock Sync Yes  

Parts Introduction

Manufacturer Part Number

LTC3890IUH-2#PBF

Manufacturer

Analog Devices

Introduction

The LTC3890IUH-2#PBF is a highly efficient, dual-phase, synchronous step-down DC/DC controller with a wide input voltage range. It features high performance, programmable switching frequency, and flexible output configuration options.

Product Features and Performance

Supports input voltages from 4V to 60V

Switching frequency range of 105kHz to 835kHz, with a default range of 350kHz to 535kHz

Maximum duty cycle of 99%

Synchronous rectification for improved efficiency

Two independent output channels with configurable operation (buck, SEPIC)

Comprehensive control features including enable, frequency control, phase control, power good, soft start, and tracking

Product Advantages

High efficiency and wide input voltage range

Flexible output configuration options

Comprehensive control features for versatile applications

Suitable for a variety of power conversion requirements

Key Reasons to Choose This Product

Excellent performance and efficiency for power conversion needs

Adaptable to various application requirements with configurable output options

Comprehensive control features for precise power management

Reliable and durable design for long-term, robust operation

Quality and Safety Features

Operating temperature range of -40°C to 125°C

Surface mount package (32-WFQFN Exposed Pad) for reliable integration

Compliance with industry standards and safety regulations

Compatibility

The LTC3890IUH-2#PBF is compatible with a wide range of power supply and power management applications, including:

Industrial automation and control systems

Telecommunications and networking equipment

Automotive and transportation systems

Consumer electronics and home appliances

Application Areas

High-efficiency DC/DC power conversion

Dual-phase, step-down power supplies

SEPIC (Single-Ended Primary-Inductor Converter) applications

Industrial, automotive, and consumer electronics power systems

Product Lifecycle

The LTC3890IUH-2#PBF is an active product, and there are no indications of it being discontinued. However, as technology evolves, there may be newer or alternative models available that offer improved features or performance. Customers are advised to check with our website's sales team for the latest product information and availability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Linear Technology LTC3890IUH-2#PBF

Product Attribute LTC3890IUH-2#PBF LTC3891EUDC#TRPBF LTC3890IUH#PBF LTC3890IUH-2#TRPBF
Part Number LTC3890IUH-2#PBF LTC3891EUDC#TRPBF LTC3890IUH#PBF LTC3890IUH-2#TRPBF
Manufacturer Linear Technology Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Serial Interfaces - - - -
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Function Step-Down, Step-Up/Step-Down Step-Down Step-Down Step-Down, Step-Up/Step-Down
Package Bulk Tape & Reel (TR) Tube Tape & Reel (TR)
Output Configuration Positive Positive Positive Positive
Duty Cycle (Max) 99% 99% 99% 99%
Clock Sync Yes No No No
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Number of Outputs 2 1 2 2
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Package / Case 32-WFQFN Exposed Pad 20-WFQFN Exposed Pad 32-WFQFN Exposed Pad 32-WFQFN Exposed Pad
Topology Buck, SEPIC Buck Buck Buck, SEPIC
Synchronous Rectifier Yes Yes Yes Yes
Series Automotive, AEC-Q100 - PolyPhase® PolyPhase®
Voltage - Supply (Vcc/Vdd) 4V ~ 60V 4V ~ 60V 4V ~ 60V 4V ~ 60V
Frequency - Switching 105kHz ~ 835kHz, 350kHz ~ 535kHz 105kHz ~ 835kHz, 350kHz ~ 535kHz 105kHz ~ 835kHz, 350kHz ~ 535kHz 105kHz ~ 835kHz, 350kHz ~ 535kHz
Output Phases 2 1 2 2
Supplier Device Package 32-QFN (5x5) 20-QFN (3x4) 32-QFN (5x5) 32-QFN (5x5)

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

LTC3890IUH-2#PBF

Linear Technology
32D-LTC3890IUH-2#PBF

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