UCC2813D-1 Part Information

Details for UCC2813D-1 by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

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Part Description

The UCC3813-x device family of high-speed, lowpower integrated circuits contains all of the control and drive components required for off-line and DC-toDC fixed-frequency current-mode switching power supplies with minimal parts count. These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies. The UCC2813-x device series is specified for operation from –40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.

Part Downloads

Part Features

  • 1-A Totem-Pole Output
  • 1.5% Tolerance Voltage Reference
  • 100-u00b5A Typical Starting Supply Current
  • 500-u00b5A 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 to 1 MHz
  • Same Pinout as the UCC3802 Device, UC3842

Part Specifications

Input Voltage -
Output Voltage 1V
Output Current 1A
Supply Voltage Min 0V
Supply Voltage Max 12V
Controller IC Case Style SOIC
No. of Pins 8Pins
Frequency 1MHz
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • PWM CTRL, CURRENT MODE, 0-12V, SOIC-8 | Newark Electronics
  • Economy low power BICMOS 1MHz current mode PWM with 9.4V/7.4V UVLO and 50% duty cycle, -40C to 85C | Texas Instruments

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