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UC3875DWPTR The Texas Instruments UC3875DWPTR is an AC/DC converter and offline switch IC. It features a phase-shifted full-bridge topology and operates at switching frequencies up to 1MHz.
Mfr Part #:

UC3875DWPTR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3875DWPTR is an AC/DC converter and offline switch IC. It features a phase-shifted full-bridge topology and operates at switching frequencies up to 1MHz.
✓ Total Stock: 2,500 pcs
$ Price Range: $12.29

UC3875DWPTR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

UC3875DWPTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Fault Protection
Frequency
Mounting Type
Operating Temperature
Output Current
Output Isolation
Supplier Device Package
Supplier Package
Tape & Reel
Topology
Voltage
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UC3875DWPTR Description

Short technical summary and product information.

The Texas Instruments UC3875DWPTR is an active bipolar phase-shifted full-bridge controller designed for high efficiency performance at high frequencies. It supports constant frequency pulse-width modulation combined with resonant, zero-voltage switching.

 

Key electrical specifications include an operating voltage range of 9.5V to 20V and a maximum switching frequency of 1MHz. The device offers features such as adjustable switching frequency, error amplifier, soft start, soft switching, and a synchronization pin. It provides 100% duty cycle control and has a latched over-current comparator with full cycle restart for fault protection.

 

This controller is suitable for voltage or current mode operation and features a programmable output turn-on delay. It operates within a temperature range of 0°C to 70°C.

 

The UC3875DWPTR is available in a 28-SOIC package and is designed for surface mount applications.

UC3875DWPTR Quick Information

Product Type: AC DC Converter, Offline Switch
Canonical Name: UC3875DWPTR Phase Shift Resonant Controller
Subcategory: Phase Shift Resonant Controller

UC3875DWPTR Compliance

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

UC3875DWPTR Estimated Pricing

Qty Low High
1+ $12.29 $12.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

UC3875DWPTR Features

  • Phase-shifted full-bridge controller.
  • Operates at switching frequencies to 1MHz.
  • Wide operating voltage from 9.5V to 20V.
  • Surface mount 28-SOIC package.
  • Features soft start and fault protection.

UC3875DWPTR Applications

  • Used in offline switching regulators.
  • Enables high-efficiency power conversion.
  • Suitable for resonant switching designs.
  • Supports voltage or current mode control.

UC3875DWPTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC3875DWPTR?

The UC3875DWPTR operates from 9.5V to 20V.

What is the switching frequency of the UC3875DWPTR?

The switching frequency is 1MHz.

What package is the UC3875DWPTR available in?

The UC3875DWPTR is available in a 28-SOIC surface-mount package.

What is the operating temperature range of the UC3875DWPTR?

The operating temperature range is 0°C to 70°C.

What fault protection does the UC3875DWPTR include?

The UC3875DWPTR includes current limiting fault protection.

What is the output current capability of the UC3875DWPTR?

The totem-pole outputs can deliver 2A each.

What control features does the UC3875DWPTR offer?

The UC3875DWPTR offers frequency control, soft start, and synchronization.

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