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UC2879DWTR The Texas Instruments UC2879DWTR is a phase shift resonant controller designed for AC/DC switching applications. It operates within a 9.25V to 20V input voltage range and supports switching frequencies up to 300kHz.
Mfr Part #:

UC2879DWTR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2879DWTR is a phase shift resonant controller designed for AC/DC switching applications. It operates within a 9.25V to 20V input voltage range and supports switching frequencies up to 300kHz.
✓ Total Stock: 15,874 pcs
$ Price Range: $6.99

UC2879DWTR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
9,516 pcs
On Request
9516 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
6,358 pcs
On Request
6358 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.

UC2879DWTR 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
Operating Voltage
Output Isolation
Supplier Device Package
Tape & Reel
Topology
Voltage
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UC2879DWTR Description

Short technical summary and product information.

The UC2879DWTR from Texas Instruments is an enhanced bipolar phase shifted full bridge controller. It is designed to control a bridge power stage by phase shifting the switching of one half-bridge with respect to the other, enabling constant frequency pulse width modulation combined with resonant, zero-voltage switching for high efficiency.

 

This controller is compatible with voltage mode or current mode topologies and offers practical operation at switching frequencies up to 300 kHz. Key features include a 10-MHz error amplifier, pin-programmable undervoltage lockout, and soft start control. The device operates over a temperature range of -40°C to 85°C.

 

The UC2879DWTR is housed in a 20-SOIC package and is suitable for surface mount applications. It supports a duty cycle of 50% and includes fault protection features such as current limiting. The non-isolated output and control features like frequency control and sync make it a versatile component for power management designs.

 

This controller is not recommended for new designs.

UC2879DWTR Quick Information

Product Type: AC/DC Switching Regulator
Canonical Name: UC2879DWTR Phase Shift Resonant Controller
Subcategory: Phase Shift Resonant Controller

UC2879DWTR Compliance

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

UC2879DWTR Estimated Pricing

Qty Low High
1+ $6.99 $6.99

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

UC2879DWTR Features

  • Phase shift resonant controller for full-bridge.
  • Operates at switching frequencies to 300 kHz.
  • Wide operating voltage range of 9.25V to 20V.
  • Supports soft start and frequency control.
  • Surface mount 20-SOIC package.

UC2879DWTR Applications

  • Used in AC/DC switching regulators.
  • Suitable for offline power supplies.
  • Enables resonant zero-voltage switching.
  • High efficiency power conversion.

UC2879DWTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC2879DWTR?

The operating voltage range is 9.25V to 20V.

What package does the UC2879DWTR come in?

It comes in a 20-SOIC (0.295", 7.50mm Width) surface mount package.

What is the operating temperature range?

-40°C to 85°C (TA).

What is the switching frequency?

300 kHz.

What is the maximum duty cycle?

50%.

What fault protection does the UC2879DWTR include?

Current limiting.

What control features are available?

Frequency control, soft start, and synchronization.

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