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UCC2802
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UCC2802

  • Category:ACDC- and -DCDC-power supply
  • Product Name:Low power BiCMOS current mode PWM
  • Manufacturers:TI
  • Production Batch Number:10+
  • Encapsulation:8PDIP, 8SOIC, 8TSSOP
  • Stock Status:There is stock
  • Stock Quantity:2500
  • Minimum order quantity: 1
  • Details:Click here to find a pdf of the UCC2802
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  • Product introduction

The high-speed, low-power integrated circuit contains all the control and driver components and minimum number of components required for the UCC1800/1/2/3/4/5 family for off-line and DC fixed frequency current mode switching power supplies.

These devices have the same pin configuration as the UC1842/3/4/5 series, and also offer internal full-cycle soft-start and internal leading-edge current-sense input blanking value-added features.

The UCC1800/1/2/3/4/5 series offers packages, temperature range options, maximum duty cycle options, and a choice of key voltage levels. For example, UCC1803 works best with UCC1805 under reference parts to battery-powered systems, while higher reference and UCC1802 and UCC1804 higher UVLO hysteresis are ideal for using these in offline power sources.

characteristic
 
  • Typical start-up supply current of 100μA
  • Typical operating current is 500μA
  • to 1 MHz operation
  • Internal soft start
  • Internal soft-start failure
  • Built-in leading-edge blanking current sense signal
  • 1 amp totem pole output
  • The typical response of the 70NS ball valve is from current detection to gate drive output
  • 1.5% tolerance voltage reference
  • The same pins are UC3842 and UC3842A
parameter
    UCC2802  
topology   Boost, reverse, forward  
Control method   Current mode  
Duty cycle (max.) (%)   100  
Frequency (max) (khertz)   1000  
On/Off of Undervoltage Lockout Threshold (5)   12.5/8.3  
Pins/Packets   8PDIP,8SOIC,8TSSOP  
(#) Regulated output   One  
Operating temperature range(°C)   -40 to 85  

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