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UCC2808A-1
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UCC2808A-1

  • Category:ACDC- and -DCDC-power supply
  • Product Name:Low power current mode push-pull PWM
  • Manufacturers:TI
  • Production Batch Number:10+
  • Encapsulation:8PDIP, 8SOIC, 8TSSOP
  • Stock Status:There is stock
  • Stock Quantity:6000
  • Minimum order quantity: 1
  • Details:Click here to find a pdf of the UCC2808A-1
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  • Product introduction

The UCC3808A is a family of BiCMOS push-pull, high-speed, low-power, pulse-width modulators. All control and drive circuitry required for the UCC3808A is included for off-line or switching power supplies DC-to-DC fixed frequency current mode with minimal number of external components.

The UCC3808A dual output drive stage is arranged in a push-pull configuration. Half of the oscillators of the two output switches use the frequency of a switching trigger. The dead time between the two outputs is typically 60 nanoseconds to 200 nanoseconds, depending on the values of the capacitance and resistance, limiting the duty cycle of each output stage to less than 50%.

The UCC3808A series offers a choice of packages, temperature range options, and undervoltage lockout levels.

characteristic

 
  • The dual output drive stage is in a push-pull configuration
  • Current sense discharge transistors to improve dynamic response
  • Typical starting current of 130μA
  • Typical operating current of 1 mA
  • to 1 MHz operation
  • Internal soft start
  • On-chip 2-MHz gain-bandwidth product error amplifier
  • Clamping of on-chip VDD
  • The 500-mA peak source in the output drive stage is capable of current, 1 peak, sinking current

andUCC2808A-1Related ICs are:


Model Manufacturers lot number encapsulation illustrate
UCC2808A-2Q1 TI 10+ 8SOIC Automotive low-power current mode push-pull PWM
UCC2808A-2 TI 10+ 8PDIP, 8SOIC, 8TSSOP Low power current mode push-pull PWM
UCC2808A-1Q1 TI 10+ 8SOIC Automotive low power current mode push-pull PWM
UCC2808A-1 TI 10+ 8PDIP, 8SOIC, 8TSSOP Low power current mode push-pull PWM
UCC2808APW-2 TI/BB 09+ SOP8  
UCC2808AD-2 TI 0936+ SOIC-8  
UCC2808APW TI 0840+ TSSOP-8  

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