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UC3879 Datasheet PDF

Part Series:
UC3879 Series
Category:
Voltage Regulators
Description:
Soft Sw PWM Cntrlr 4Out PH SHIFT RES 300kHz 20Pin SOIC Tube
Updated Time: 2023/09/27 09:01:43 (UTC + 8)

UC3879 Datasheet PDF Voltage Regulators

21 Pages
TI
Soft Sw PWM Cntrlr 4Out PH SHIFT RES 300kHz 20Pin PDIP Tube
21 Pages
TI
Soft Sw PWM Cntrlr 4Out PH SHIFT RES 300kHz 20Pin SOIC T/R

UC3879DW - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
300 kHz
Number of Pins
20 Pin
Supply Voltage (DC)
11.0V (min)
Case/Package
SOIC-20
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UC3879DW - TI Function Overview

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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