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UCC2813-1

Texas Instruments
Part Number UCC2813-1
Manufacturer Texas Instruments
Description PWM
Published Apr 25, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design UCC2813-0, U...
Datasheet PDF File UCC2813-1 PDF File

UCC2813-1
UCC2813-1

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design UCC2813-0, UCC2813-1, UCC2813-2, UCC2813-3, UCC2813-4, UCC2813-5 UCC3813-0, UCC3813-1, UCC3813-2, UCC3813-3, UCC3813-4, UCC3813-5 SLUS161E – APRIL 1999 – REVISED AUGUST 2016 UCCx813-x Low-Power Economy BiCMOS Current-Mode PWM 1 Features •1 100-µA Typical Starting Supply Current • 500-µA Typical Operating Supply Current • Operation to 1 MHz • Internal Soft Start • Internal Fault Soft Start • Internal Leading-Edge Blanking of the Current- Sense Signal • 1-A Totem-Pole Output • 70-ns Typical Response from Current-Sense to Gate-Drive Output • 1.
5% Tolerance Voltage Reference • Same Pinout as the UCC3802 Device, UC3842 Device, and UC3842A Device Families 2 Applications • Switch Mode Power Supplies (SMPS) • DC-DC Converters • Power Modules • Industrial PSUs • Battery Operated PSUs 3 Description The UCC3813-x device family of high-speed, lowpower integrated circuits contains all of the control and drive components required for off-line and DC-toDC fixed-frequency current-mode switching power supplies with minimal parts count.
These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.
The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels.
Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies.
The UCC2813-x device series is specified for operation from –40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM...


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