Manuali utente per Analog Devices ADP5023 Evaluation Board ADP5023CP-EVALZ

Sommario

• Features

  1
• Applications

  1
• General Description

  1
• Typical Application Circuit

  1
• Revision History

  2
• Specifications

  3
  • General Specifications

    3
  • BUCK1 and BUCK2 Specifications

    4
  • LDO Specifications

    5
  • Input and Output Capacitor, Recommended Specifications

    5
• Absolute Maximum Ratings

  6
  • Thermal Resistance

    6
  • ESD Caution

    6
• Pin Configuration and Function Descriptions

  7
• Typical Performance Characteristics

  8
• Theory of Operation

  15
  • Power Management Unit

    15
    • Thermal Protection

      15
    • Undervoltage Lockout

      16
    • Enable/Shutdown

      16
  • BUCK1 and BUCK2

    17
    • Control Scheme

      17
    • PWM Mode

      17
    • Power Save Mode (PSM)

      17
    • PSM Current Threshold

      17
    • Oscillator/Phasing of Inductor Switching

      17
    • Short-Circuit Protection

      17
    • Soft Start

      17
    • Current Limit

      17
    • 100% Duty Operation

      17
    • Active Pull-Downs

      18
  • LDO

    18
• Applications Information

  19
  • Buck External Component Selection

    19
    • Feedback Resistors

      19
    • Inductor

      19
    • Output Capacitor

      19
    • Input Capacitor

      20
  • LDO External Component Selection

    21
    • Feedback Resistors

      21
    • Output Capacitor

      21
    • Input Bypass Capacitor

      21
    • Input and Output Capacitor Properties

      21
• Power Dissipation and Thermal Considerations

  22
  • Buck Regulator Power Dissipation

    22
    • LDO Regulator Power Dissipation

      23
  • Junction Temperature

    23
• PCB Layout Guidelines

  24
• Typical Application Schematics

  25
• Bill of Materials

  26
• Outline Dimensions

  27
  • Ordering Guide

    27