SLLS654E April   2005  – November 2025 MC33063A-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1.     Pin 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 Oscillator Characteristics
    6. 5.6 Output Switch Characteristics
    7. 5.7 Comparator Characteristics
    8. 5.8 Total Device Characteristics
    9. 5.9 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 Reference Voltage
      2. 6.3.2 Current Limit
      3. 6.3.3 Current Limit of Typical Operation Waveforms
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Step-Up Converter
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curve
      2. 7.2.2 Step-Down Converter
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
        3. 7.2.2.3 Application Curves
      3. 7.2.3 Voltage Inverter Converter
        1. 7.2.3.1 Design Requirements
        2. 7.2.3.2 Detailed Design Procedure
        3. 7.2.3.3 Application Curves
      4. 7.2.4 12V Battery Based Automotive Supply
        1. 7.2.4.1 Design Requirements
        2. 7.2.4.2 Detailed Design Procedure
        3. 7.2.4.3 Application Curve
  9. 8 Power Supply Recommendations
  10. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Trademarks
    2. 10.2 Electrostatic Discharge Caution
    3. 10.3 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Oscillator Characteristics

VCC = 5V, TA = full operating range (unless otherwise noted) See Section 6.2.
PARAMETERTEST CONDITIONSTAMINTYPMAXUNIT
foscOscillator frequencyVPIN5 = 0V, CT = 1nF25°C243342kHz
IchgCharge currentVCC = 5V to 40V25°C243542μA
IdischgDischarge currentVCC = 5V to 40V25°C140220260μA
Idischg/IchgDischarge-to-charge current ratioVPIN7 = VCC25°C5.26.57.5
VIpkCurrent-limit sense voltageIdischg = Ichg25°C250300350mV