UCC3804DG4 Part Information

Details for UCC3804DG4 by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The UCCx80x 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 leadingedge blanking of the current-sense input.

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Part Features

  • 1-A Totem-Pole Output
  • 1.5% Tolerance Voltage Reference
  • 100-u03bcA Typical Starting Supply Current
  • 500-u03bcA Typical Operating Supply Current
  • 70-ns Typical Response from Current-Sense to Gate Drive Output
  • Internal Fault Soft Start
  • Internal Leading-Edge Blanking of the Current Sense Signal
  • Internal Soft Start
  • Operation up to 1 MHz
  • Same Pinout as UC3842 and UC3842A

Part Specifications

Input Voltage 10V
Output Voltage 5.075V
Output Current 1A
Supply Voltage Min 0V
Supply Voltage Max 10V
Controller IC Case Style SOIC
No. of Pins 8Pins
Frequency 1MHz
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Base Number 3804
Controller Type PWM
IC Temperature Range Commercial
Input Current 500µA
Operating Temperature Range 0°C to +70°C
Output Energy per Cycle 20µJ
Output Type Totem Pole
Power Dissipation Pd 650mW
Supply Voltage Range 0V to 10V
Termination Type Surface Mount Device
RoHS Compliant

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