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LTC3858EUH The Analog Devices LTC3858EUH-2#TRPBF is a PolyPhase series Buck Regulator DC-DC Switching Controller. It operates with a supply voltage range of 4V to 38V and features a maximum duty cycle of 99%.
Mfr Part #:

LTC3858EUH

Available from 1 distributors
Mfr Name: LT
LT
The Analog Devices LTC3858EUH-2#TRPBF is a PolyPhase series Buck Regulator DC-DC Switching Controller. It operates with a supply voltage range of 4V to 38V and features a maximum duty cycle of 99%.
✓ Total Stock: 67 pcs

LTC3858EUH Available from 1 distributor

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✓ Non-Authorised
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Optech Co.,Limited ✓
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67 pcs
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67 pcs On Request 1 On Request On Request 13+ On Request On Request
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LTC3858EUH Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle
Function
Lead Style
Number of Outputs
Operating Temperature
Output Phases
Output Type
Package / Case
Supplier Device Package
Synchronous Rectifier
Topology
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LTC3858EUH Description

Short technical summary and product information.

The LTC3858EUH-2#TRPBF from Analog Devices is a high-performance DC-DC switching controller designed for step-down (buck) applications. This device is part of the PolyPhase series and offers a robust solution for power management.

 

Key electrical specifications include an operating supply voltage range of 4V to 38V, a high maximum duty cycle of 99%, and a switching frequency range of 105kHz to 835kHz. It supports multiple output phases, with this specific model configured for two outputs, and features essential control functions such as current limit, enable, frequency control, phase control, power good, and soft start. The output type is a transistor driver, and it incorporates a synchronous rectifier for improved efficiency.

 

Designed for operation in demanding environments, the LTC3858EUH-2#TRPBF has an operating temperature range of -40°C to 125°C (TJ). It is housed in a 32-QFN (5x5) package with an exposed pad, suitable for surface mounting. The component is supplied on tape and reel, indicating suitability for automated assembly processes.

 

This controller is well-suited for various power supply designs requiring efficient voltage regulation. Its comprehensive feature set and wide operating parameters make it a versatile choice for engineers.

LTC3858EUH Quick Information

Product Type: DC-DC Switching Controller
Series: PolyPhase
Canonical Name: LTC3858EUH Buck Regulator DC-DC Switching Controller
Subcategory: Buck Regulator

LTC3858EUH Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LTC3858EUH Features

  • Step-down buck regulator controller IC.
  • Wide 4V to 38V supply voltage range.
  • High 99% maximum duty cycle.
  • Dual output phases supported.
  • Operates from -40°C to 125°C.

LTC3858EUH Applications

  • Efficient DC-DC power conversion.
  • Suitable for multi-phase designs.
  • Power management applications.
  • Automated assembly processes.

LTC3858EUH FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the LTC3858EUH-2#TRPBF?

The operating supply voltage range is 4V to 38V.

What is the maximum duty cycle of the LTC3858EUH-2#TRPBF?

The maximum duty cycle is 99%.

How many outputs does the LTC3858EUH-2#TRPBF support?

It supports 2 outputs.

What is the operating temperature range for this DC-DC switching controller?

The operating temperature range is -40°C to 125°C (TJ).

What package type is the LTC3858EUH-2#TRPBF supplied in?

It is supplied in a 32-QFN (5x5) package with an exposed pad.

Is the LTC3858EUH-2#TRPBF RoHS compliant?

Yes, this part is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the LTC3858EUH-2#TRPBF?

The Moisture Sensitivity Level is 1 Unlimited.

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