UCC3804N Part Information

Details for UCC3804N 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 -
Output Voltage 5.075V
Output Current 1A
Supply Voltage Min 0V
Supply Voltage Max 10V
Controller IC Case Style DIP
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 -
SVHC No SVHC (27-Jun-2018)
Base Number 3804
IC Generic Number 3804
IC Temperature Range Commercial
Input Voltage Max 2.56V
Logic Function Number 3804
No. of Outputs 1Outputs
Operating Temperature Range 0°C to +70°C
Power Dissipation Pd 1W
Supply Voltage Range 0V to 10V
Termination Type Through Hole
Turn Off Threshold Voltage 8.3V
Turn On Threshold Voltage 12.5V
RoHS Compliant

Alternative Part Descriptions

  • BiCMOS Current-Mode PWM, UCC3804N | RS Components
  • IC, CURRENT MODE PWM CTRL, 12V, PDIP-8; Input Voltage:-; Output Voltage:5.075V; Output Current:1A; Supply Voltage Min:0V; Supply Voltage Max:10V; Controller IC Case Style:DIP; No. of Pins:8Pins; Frequency:1MHz; Operating Temperature RoHS Compliant: Yes | Newark Electronics
  • Current Mode PWM Controller 1A 8-Pin PDIP Tube | Avnet America
  • 12V, 1A low power BICMOS 1MHz current mode PWM with 12.5V/8.3V UVLO and 50% duty cycle, 0C to 70C | Texas Instruments
  • Switching controller IC [Texas Instruments] UCC3804N Switching controller IC | Distrelec

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