Инструкции для Microchip Technology MCP1630 Evaluation Board MCP1630RD-SALED

Содержание

• 1.0 Electrical Characteristics

  6
• 2.0 Typical Performance Curves

  8
  • FIGURE 2-1: Input Quiescent Current vs. Input Voltage.

    8
  • FIGURE 2-2: Input Quiescent Current vs. Input Voltage.

    8
  • FIGURE 2-3: Error Amplifier Frequency Response.

    8
  • FIGURE 2-4: Error Amplifier Input Bias Current vs. Input Voltage.

    8
  • FIGURE 2-5: Error Amplifier Sink Current vs. Input Voltage.

    8
  • FIGURE 2-6: Error Amplifier Source Current vs. Input Voltage.

    8
  • FIGURE 2-7: VEXT Rise Time vs. Input Voltage.

    9
  • FIGURE 2-8: VEXT Fall Time vs. Input Voltage.

    9
  • FIGURE 2-9: Current Sense to VEXT Delay vs. Input Voltage (MCP1630).

    9
  • FIGURE 2-10: Current Sense Clamp Voltage vs. Input Voltage (MCP1630).

    9
  • FIGURE 2-11: Undervoltage Lockout vs. Temperature.

    9
  • FIGURE 2-12: EXT Output N-channel RDSON vs. Input Voltage.

    9
  • FIGURE 2-13: EXT Output P-channel RDSON vs. Input Voltage.

    10
  • FIGURE 2-14: Error Amplifier Input Offset Voltage vs. Input Voltage.

    10
  • FIGURE 2-15: Error Amplifier Input Offset Voltage vs. Input Voltage.

    10
  • FIGURE 2-16: Current Sense Common Mode Input Voltage Range vs. Input Voltage (MCP1630V).

    10
  • FIGURE 2-17: Current Sense to VEXT Delay vs. Input Voltage (MCP1630V).

    10
• 3.0 MCP1630 Pin Descriptions

  11
  • TABLE 3-1: pin function table

    11
  • 3.1 Error Amplifier Output Pin (COMP)

    11
  • 3.2 Error Amplifier Inverting Input (FB)

    11
  • 3.3 Current Sensing Input (CS)

    11
  • 3.4 Oscillator Input (OSC)

    11
  • 3.5 Ground (GND)

    11
  • 3.6 External Driver Output Pin (VEXT)

    11
  • 3.7 Input Bias Pin (VIN)

    11
  • 3.8 Reference Voltage Input (VREF)

    11
• 4.0 Detailed Description

  12
  • 4.1 Device Overview

    12
  • 4.2 PWM

    12
  • 4.3 Normal Cycle by Cycle Control

    12
  • 4.4 Error Amp/Comparator Current Limit Function

    12
  • 4.5 0% Duty Cycle Operation

    12
  • 4.6 Undervoltage Lockout (UVLO)

    13
  • 4.7 Overtemperature Protection

    13
    • FIGURE 4-1: Cycle-by-Cycle Timing Diagram (MCP1630).

      14
    • FIGURE 4-2: Cycle-by-Cycle Timing Diagram (MCP1630V).

      15
• 5.0 Application Circuits/Issues

  16
  • 5.1 Typical Applications

    16
  • 5.2 NiMH Battery Charger Application

    16
  • 5.3 Bidirectional Power Converter

    16
  • 5.4 Multiple Output Converters

    16
• 6.0 Packaging Information

  17
  • 6.1 Package Marking Information

    17
    • Corporate Office

      26
    • Atlanta

      26
    • Boston

      26
    • Chicago

      26
    • Cleveland

      26
    • Fax: 216-447-0643

      26
    • Dallas

      26
    • Detroit

      26
    • Indianapolis

      26
    • Toronto

      26
    • Fax: 852-2401-3431

      26
    • Australia - Sydney

      26
    • China - Beijing

      26
    • China - Shanghai

      26
    • India - Bangalore

      26
    • Korea - Daegu

      26
    • Korea - Seoul

      26
    • Singapore

      26
    • Taiwan - Taipei

      26
    • Fax: 43-7242-2244-393

      26
    • Denmark - Copenhagen

      26
    • France - Paris

      26
    • Germany - Munich

      26
    • Italy - Milan

      26
    • Spain - Madrid

      26
    • UK - Wokingham

      26
    • Worldwide Sales and Service

      26