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UCC3895 Datasheet PDF

Part Series:UCC3895 Series
Category:Power Management
Description:Soft Sw PWM Cntrlr 4Out BICMOS PH SHIFT RES 1MHz 20Pin SOIC Tube
Document:UCC3895DWTRG4 Datasheet PDF (38 Pages)

UCC3895 Datasheet PDF Power Management

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UCC3895DW - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
500 kHz
Number of Pins
20 Pin
Supply Voltage (DC)
10.0V (min)
Case/Package
SOIC-20
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UCC3895DW - TI Function Overview

The UCC3895DW is a BiCMOS Advanced Phase Shift PWM Controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. The device allows constant frequency pulse-width modulation in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The part is used either as a voltage-mode or current-mode controller. It improves on that controller family with additional features such as enhanced control logic, adaptive delay set and shutdown capability. Because the device is built using the BCDMOS process, it operates with dramatically less supply current than its bipolar counterparts. The UCC3895 operates with a maximum clock frequency of 1MHz.
Programmable-output turn-on delay
Adaptive delay set
Bidirectional oscillator synchronization
Voltage-mode, peak current-mode or average current-mode control
Programmable soft start, soft stop and chip disable via a single pin
0 to 100% Duty-cycle control
7MHz Error amplifier
Operation to 1MHz
Typical 5mA operating current at 500kHz
Very low 150µA current during UVLO
Green product and no Sb/Br
IC can be damaged by ESD. We recommend that all ICs be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
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