SLUS577D November   2011  – August 2016 UCC2817A , UCC2818A , UCC3817A , UCC3818A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision
  5. 5 Description (Continued)
  6. 6 Device Comparison Tables
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Reference Section and Error Amplifier
      2. 9.3.2 Zero Power Block
      3. 9.3.3 Multiplier
      4. 9.3.4 Output Overvoltage Protection
      5. 9.3.5 Pin Descriptions
        1. 9.3.5.1  CAI
        2. 9.3.5.2  CAOUT
        3. 9.3.5.3  CT
        4. 9.3.5.4  DRVOUT
        5. 9.3.5.5  GND
        6. 9.3.5.6  IAC
        7. 9.3.5.7  MOUT
        8. 9.3.5.8  OVP/EN
        9. 9.3.5.9  PKLMT
        10. 9.3.5.10 RT
        11. 9.3.5.11 SS
        12. 9.3.5.12 VAOUT
        13. 9.3.5.13 VCC
        14. 9.3.5.14 VFF
        15. 9.3.5.15 VSENSE
        16. 9.3.5.16 VREF
    4. 9.4 Device Functional Modes
      1. 9.4.1 Transition Mode Control
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Power Stage
          1. 10.2.2.1.1 LBOOST
          2. 10.2.2.1.2 COUT
          3. 10.2.2.1.3 Power Switch Selection
        2. 10.2.2.2 Soft Start
        3. 10.2.2.3 Multiplier
        4. 10.2.2.4 Voltage Loop
        5. 10.2.2.5 Current Loop
        6. 10.2.2.6 Start-Up
        7. 10.2.2.7 Capacitor Ripple Reduction
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1 Bias Current
      2. 12.1.2 VREF
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Related Links
    3. 13.3 Receiving Notification of Documentation Updates
    4. 13.4 Community Resource
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • PW|16
  • N|16
  • D|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Device Comparison Tables

Table 1. Available Options

TA = TJ PACKAGE DEVICES
SOIC (D) PACKAGE(1) PDIP (N) PACKAGE TSSOP (PW) PACKAGE(1)
TURNON
THRESHOLD
16 V		 TURNON
THRESHOLD
10.2 V		 TURNON
THRESHOLD
16 V		 TURNON
THRESHOLD
10.2 V		 TURNON
THRESHOLD
16 V		 TURNON
THRESHOLD
10.2 V
–40°C to 85°C UCC2817AD UCC2818AD UCC2817AN UCC2818AN UCC2817APW UCC2818APW
0°C to 70°C UCC3817AD UCC3818AD UCC3817AN UCC3818AN UCC3817APW UCC3818APW
(1) The D and PW packages are available taped and reeled. Add R suffix to the device type (e.g. UCC3817ADR) to order quantities of 2,500 devices per reel (D package) and 2,000 devices per reel (for PW package). Bulk quantities are 40 units (D package) and 90 units (PW package) per tube.

Table 2. Related Products

DEVICE DESCRIPTION CONTROL METHOD TYPICAL POWER LEVEL
UC3854 PFC controller ACM(2) 200 W to 2 kW+
UC3854A/B Improved PFC controller ACM(2) 200 W to 2 kW+
UC3855A/B High performance soft switching PFC controller ACM(2) 400 W to 2 kW+
UCC38050/1 Transition mode PFC controller CRM(1) 50 W to 400 W
UCC3819 Tracking boost PFC controller ACM(2) 75 W to 2 kW+
UCC28510/11/12/13 Advanced PFC+PWM combo controller ACM(2) 75 W to 1kW+
UCC28514/15/16/17 Advanced PFC+PWM combo controller ACM(2) 75 W to 1kW+
(1) Critical conduction mode
(2) Average current mode