Manuali utente per Microchip Technology MCP1630 Evaluation Board MCP1630RD-SALED

Sommario

• 1.0 Electrical Characteristics

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• 2.0 Typical Performance Curves

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

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

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  • FIGURE 2-3: Error Amplifier Frequency Response.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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• 3.0 MCP1630 Pin Descriptions

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  • TABLE 3-1: pin function table

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  • 3.1 Error Amplifier Output Pin (COMP)

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  • 3.2 Error Amplifier Inverting Input (FB)

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  • 3.3 Current Sensing Input (CS)

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  • 3.4 Oscillator Input (OSC)

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  • 3.5 Ground (GND)

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  • 3.6 External Driver Output Pin (VEXT)

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  • 3.7 Input Bias Pin (VIN)

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  • 3.8 Reference Voltage Input (VREF)

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• 4.0 Detailed Description

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  • 4.1 Device Overview

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  • 4.2 PWM

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  • 4.3 Normal Cycle by Cycle Control

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  • 4.4 Error Amp/Comparator Current Limit Function

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  • 4.5 0% Duty Cycle Operation

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  • 4.6 Undervoltage Lockout (UVLO)

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  • 4.7 Overtemperature Protection

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

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

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• 5.0 Application Circuits/Issues

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  • 5.1 Typical Applications

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  • 5.2 NiMH Battery Charger Application

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  • 5.3 Bidirectional Power Converter

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  • 5.4 Multiple Output Converters

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• 6.0 Packaging Information

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  • 6.1 Package Marking Information

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