SLUS168F April   1999  – July 2025 UCC2808-1 , UCC2808-2 , UCC3808-1 , UCC3808-2

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Pin Descriptions
    4. 6.4 Device Functional Modes
      1. 6.4.1 VCC
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Related Links
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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4 Pin Configuration and Functions

UCC2808-1 UCC2808-2 UCC3808-1 UCC3808-2 D Package, 8-Pin SOIC (Top View) Figure 4-1 D Package, 8-Pin SOIC (Top View)
Table 4-1 Pin Functions
PIN Type(1) DESCRIPTION
NAME NO.
COMP 1 I/O Output of the error amplifier and the input of the PWM comparator.
CS 3 I Input to the PWM, peak current, and overcurrent comparators.
FB 2 I Inverting input to the error amplifier.
GND 5 — Reference ground and power ground for all functions.
OUTA 7 O Alternating high current output stage.
OUTB 6 O Alternating high current output stage.
RC 4 I Oscillator programming pin.
VDD 8 — Power input connection for this device.
(1) I=Input; O=Output; I/O= Input or Output