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Current Mode PWM Controller -0.1V to 11V 1000kHz 8-Pin SOIC Tube

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UCC2805D General Description

The UCC280x family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.

These devices have the same pin configuration as the UCx84x family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

Texas Instruments, Inc Inventory

Key Features

  • 100-μA typical starting supply current
  • 500-μA typical operating supply current
  • Operation up 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 UC3842 and UC3842A
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory


Category Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers Mfr Texas Instruments
Series - Package Tube
Product Status Active Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down Output Configuration Positive
Topology Boost, Flyback, Forward Converter Number of Outputs 1
Output Phases 1 Voltage - Supply (Vcc/Vdd) 3.6V ~ 12V
Frequency - Switching 31kHz Duty Cycle (Max) 49%
Synchronous Rectifier No Clock Sync No
Serial Interfaces - Control Features Frequency Control
Operating Temperature -40°C ~ 85°C (TA) Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Supplier Device Package 8-SOIC
Base Product Number UCC2805

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.

Ratings and Reviews

J**e Jan 06, 2023

The product arrived in perfect condition.

G**n Aug 28, 2021

hi,siri am satisfied with your services,and with your best quality product.thats why i give you the 5 stars as my feedback.i am very glad with your best quality services,thats why from the next time i will purchase all the products only from your site.thank you sir.

I**a Jan 21, 2021

Package received. Thank you all very much.

N**? Jun 19, 2020

Highly recommended seller, fast shipping



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