LTC3859AEUHF#PBF The LTC3859AEUHF#PBF is a DC DC Switching Controller from LT. It operates with a supply voltage range of 4.5V to 38V and features a switching frequency up to 835kHz.
Mfr Part #:

LTC3859AEUHF#PBF

Available from 1 distributors
Mfr Name: LT
LT
The LTC3859AEUHF#PBF is a DC DC Switching Controller from LT. It operates with a supply voltage range of 4.5V to 38V and features a switching frequency up to 835kHz.
✓ Total Stock: 3,415 pcs

LTC3859AEUHF#PBF Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,415 pcs
3415 pcs On Request 1 On Request On Request 15+ On Request On Request

LTC3859AEUHF#PBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Conflict Minerals
SVHC Present

LTC3859AEUHF#PBF Description

Short technical summary and product information.

The LTC3859AEUHF#PBF is a DC DC Switching Controller manufactured by LT. This component is designed for step-down and step-up/step-down applications, supporting Buck, Buck-Boost, and SEPIC topologies.

 

Key electrical specifications include an operating supply voltage range of 4.5V to 38V. The switching frequency can be set between 115kHz and 835kHz, with a secondary range of 350kHz to 535kHz. It offers a maximum duty cycle of up to 100% and features a synchronous rectifier. Control features include Enable, Frequency Control, Power Good, Soft Start, and Tracking.

 

This controller IC has 3 outputs and 2 phases. It operates within a wide temperature range of -55°C to 150°C (TJ). The device is available in a surface mount package, specifically a 38-WFQFN Exposed Pad, with the supplier device package being 38-QFN (5x7).

 

This part is suitable for various power management applications requiring efficient DC to DC conversion.

LTC3859AEUHF#PBF Quick Information

Product Type: DC DC Switching Controller
Series: LTC3859A
Canonical Name: LTC3859AEUHF#PBF DC DC Switching Controller
Subcategory: Power Management PMIC

LTC3859AEUHF#PBF Compliance

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

LTC3859AEUHF#PBF Features

  • Operates from 4.5V to 38V supply voltage.
  • Switching frequency up to 835kHz.
  • Supports Buck, Buck-Boost, SEPIC topologies.
  • Features 3 outputs and 2 phases.
  • Wide -55°C to 150°C operating temperature.

LTC3859AEUHF#PBF Applications

  • Efficient DC to DC power conversion.
  • Step-down voltage regulation.
  • Step-up/step-down voltage regulation.
  • Power management circuits.

LTC3859AEUHF#PBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the LTC3859AEUHF#PBF?

The Vcc/Vdd supply voltage range is 4.5V to 38V.

What package is the LTC3859AEUHF#PBF available in?

It is available in a 38-WFQFN exposed pad package (38-QFN, 5x7mm, surface mount).

What is the operating temperature range?

The junction temperature range is -55°C to 150°C.

What is the switching frequency range?

The switching frequency is 115kHz to 835kHz, with a second range of 350kHz to 535kHz.

What topologies does the LTC3859AEUHF#PBF support?

It supports buck, buck-boost, and SEPIC topologies.

How many outputs does the controller provide?

It provides 3 outputs with 2 phases.

What control features are included?

Control features include enable, frequency control, power good, soft start, and tracking.

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