UC3879DW - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

UC3879DW
Manufacturer

TI
ChipWorker Part#

CW17599467
Category

Voltage Regulator
Package

SOIC-20
Description

Soft Sw PWM Cntrlr 4Out PH SHIFT RES 300kHz 20Pin SOIC Tube
Documentation

Datasheet

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UC3879DW Specifications

Attribute	Attribute Value

Part Number	UC3879DW
Manufacturer	TI
ChipWorker Part#	CW17599467
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SOIC-20
Frequency	300 kHz
Supply Voltage (DC)	11.0V (min)
Number of Outputs	4 Output
Input Voltage (DC)	12.0 V
Output Voltage	2.2 V
Output Current	10 mA
Number of Positions	20 Position
Input Current	23.0 mA
Switching Frequency	300 kHz
Duty Cycle	100 %
Maximum Duty Cycle	0.5
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	11V ~ 18V
Supply Voltage (Max)	18 V
Supply Voltage (Min)	11 V
Input Voltage	12 V
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Size-Length	12.8 mm
Size-Width	7.52 mm
Size-Height	2.35 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The UC3879DW is a Phase Shift Resonant Controller implements control of a bridge power stage by phase-shifting the switching of one half-bridge with respect to the other, allowing constant frequency pulse-width modulation in combination with resonant, zero-voltage switching for high efficiency performance at high frequencies. This family of circuits may be configured to provide control in either voltage or current-mode operation, with a separate over-current shutdown for fast fault protection. A programmable time delay is provided to insert a dead-time at the turn-on of each output stage. This delay, providing time to allow the resonant switching action, is independently controllable for each output pair. With the oscillator capable of operation at frequencies in excess of 2MHz, overall switching frequencies to 1MHz are practical.
Programmable output turn-on delay
Compatible with voltage mode or current mode topologies
10MHz Error amplifier
Pin programmable undervoltage lockout
Soft-start control
Outputs active low during UVLO
Green product and no Sb/Br

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