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UCC2805D

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

Specifications

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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Ratings and Reviews

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J
J**e Jan 06, 2023

The product arrived in perfect condition.

19
G
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.

4
I
I**a Jan 21, 2021

Package received. Thank you all very much.

17
N
N**? Jun 19, 2020

Highly recommended seller, fast shipping

2

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