UC2879DWG4

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Texas Instruments

IC OFFLINE SW FULL-BRDG 20SOIC

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UC2879DWG4

Unknown

Texas Instruments

IC OFFLINE SW FULL-BRDG 20SOIC

Deep-Dive with AI

DocumentsDatasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	UC2879DWG4

Control Features	Frequency Control, Soft Start, Sync
Duty Cycle	50 %
Fault Protection	Current Limiting
Frequency - Switching	300 kHz
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Isolation	Non-Isolated
Package / Case	20-SOIC
Package / Case [y]	0.295 in
Package / Case [y]	7.5 mm
Supplier Device Package	20-SOIC
Topology	Full-Bridge

UC2879 Series

Enhanced bipolar phase shifted full bridge controller with selectable UVLO, -40°C to 85°C

Part	Duty Cycle	Package / Case	Package / Case	Package / Case	Frequency - Switching	Output Isolation	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Fault Protection	Supplier Device Package	Topology	Control Features	Package / Case [y]	Package / Case [y]
Texas Instruments UC2879NG4	50 %	20-DIP	7.62 mm	0.3 in	300 kHz	Non-Isolated	85 °C	-40 °C	Through Hole	Current Limiting	20-PDIP	Full-Bridge	Frequency Control Soft Start Sync
Texas Instruments UC2879N	50 %	20-DIP	7.62 mm	0.3 in	300 kHz	Non-Isolated	85 °C	-40 °C	Through Hole	Current Limiting	20-PDIP	Full-Bridge	Frequency Control Soft Start Sync
Texas Instruments UC2879DWTR	50 %	20-SOIC			300 kHz	Non-Isolated	85 °C	-40 °C	Surface Mount	Current Limiting	20-SOIC	Full-Bridge	Frequency Control Soft Start Sync	0.295 in	7.5 mm
Texas Instruments UC2879DW	50 %	20-SOIC			300 kHz	Non-Isolated	85 °C	-40 °C	Surface Mount	Current Limiting	20-SOIC	Full-Bridge	Frequency Control Soft Start Sync	0.295 in	7.5 mm
Texas Instruments UC2879DWG4	50 %	20-SOIC			300 kHz	Non-Isolated	85 °C	-40 °C	Surface Mount	Current Limiting	20-SOIC	Full-Bridge	Frequency Control Soft Start Sync	0.295 in	7.5 mm
Texas Instruments UC2879DWTRG4	50 %	20-SOIC			300 kHz	Non-Isolated	85 °C	-40 °C	Surface Mount	Current Limiting	20-SOIC	Full-Bridge	Frequency Control Soft Start Sync	0.295 in	7.5 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	50	$ 9.46

Description

General part information

UC2879 Series

The UC3879 controls a bridge power stage by phase shifting the switching of one half-bridge with respect to the other. This allows constant frequency pulse width modulation in combination with resonant, zero-voltage switching for high efficiency performance. The UC3879 can be configured to provide control in either voltage mode or current mode operation, with overcurrent shutdown for fast fault protection.

Independently programmable time delays provide dead-time at the turn-on of each output stage, allowing time for each resonant switching interval.

With the oscillator capable of operating in excess of 600 kHz, overall output switching frequencies to 300 kHz are practical. In addition to the standard free running mode, with the CLKSYNC pin, the user may configure the UC3879 to accept an external clock synchronization signal. Alternatively, up to three units can be locked together with the operational frequency determined by the fastest device.

Documents

Technical documentation and resources