Part UCD3138
Description Highly Integrated Digital Controller
Manufacturer Texas Instruments
Size 5.43 MB
Pricing from 8.95 USD, available from Rochester Electronics and Verical.
Texas Instruments

UCD3138 Overview

Key Specifications

Package: VQFN
Mount Type: Surface Mount
Pins: 40
Max Voltage (typical range): 3.6 V

Key Features

  • Digital Control of up to 3 Independent Feedback Loops – Dedicated PID-Based hardware – 2-Pole/2-Zero Configurable – Nonlinear Control
  • Configurable PWM Edge Movement – Trailing Modulation – Leading Modulation – Triangular Modulation
  • Configurable Feedback Control – Voltage Mode – Average Current Mode – Peak Current Mode Control – Constant Current – Constant Power
  • Configurable Modulation Methods – Frequency Modulation – Phase Shift Modulation – Pulse Width Modulation
  • Fast, Automatic, and Smooth Mode Switching – Frequency Modulation and PWM – Phase Shift Modulation and PWM
  • High Efficiency and Light Load Management – Burst Mode – Ideal Diode Emulation – Synchronous Rectifier Soft On/Off – Low IC Standby Power
  • Soft Start / Stop with and without Prebias
  • Fast Input Voltage Feed Forward Hardware
  • Primary Side Voltage Sensing
  • Copper Trace Current Sensing

Price & Availability

Seller Inventory Price Breaks Buy
Rochester Electronics 776 25+ : 8.95 USD
100+ : 8.5 USD
500+ : 8.06 USD
1000+ : 7.61 USD
View Offer
Verical 500 34+ : 11.1875 USD
100+ : 10.625 USD
500+ : 10.075 USD
1000+ : 9.5125 USD
View Offer