MCP1661 High-Voltage Boost and SEPIC Converters Evaluation Board (ADM00566)

The MCP1661 High-Voltage Boost and SEPIC Converters Evaluation Board is used to evaluate Microchip Technology’s MCP1661 product. This board demonstrates the MCP1661 capabilities in two different topologies:
• 12V output Boost Converter application supplied from an external voltage source (VIN < 5.5V e.g. two cell boost to 12V)
• 3.3V output SEPIC Converter application supplied from a Li-Ion Cell. It can be used to evaluate the SOT-23-5 package. The MCP1661 High-Voltage Boost and SEPIC Converters Evaluation Board was developed to help engineers reduce product design cycle time.
In both the MCP1661 Boost Application and MCP1661 SEPIC Application, the output voltage is set to the proper value using an external resistor divider, resulting in a simple and compact solution.
In the MCP1661 SEPIC Application, a switch is used to enable and disable the converter. When enabled, the MCP1661 will regulate the output voltage; when disabled, the MCP1661 SEPIC Application will disconnect the path from input to output.

Возможности

    • MCP1661 device can be evaluated in two separate applications: Boost and
    SEPIC
    • Undervoltage Lockout (UVLO)
    • Start-up Voltage: 2.3V (UVLO Start)
    • Input Voltage range (VIN) after start-up: 2.4V to 5.5V, with VIN and VOUT
    • Output Voltage:
    - 12V (for MCP1661 Boost Application)
    - 3.3V (for MCP1661 SEPIC Application)
    • Output Current: typical 125 mA @ 12V Output, 3.3V Input (for the Boost
    Converter)
    • PWM Operation
    • PWM Switching Frequency: 500 kHz
    • Enable state selectable using EN switch (for MCP1661 SEPIC Application)
    • Peak Input Current Limit of 1.3A
    • Internal Compensation
    • Soft Start
    • Overtemperature Protection (if the die temperature exceeds +150°C, with 15°C
    hysteresis)

Файлы

Схемы и диаграммы

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Тесты и симуляция

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Спецификация (BOM)

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MCP1661 High-Voltage Boost and SEPIC Converters Evaluation Board ADM00566

Используемые компоненты

Производитель: Microchip Technology Inc.
Наименование
Производитель
Описание Корпус/
Изображение
Цена, руб. Наличие
MCP1661T-E/OT
MCP1661T-E/OT
Microchip Technology Inc.
Арт.: 2277385 ИНФО PDF RD
Доступно: 28736 шт.
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32V OUTPUT, NON-SYNCHRONOUS BOOST REGULA
MCP1661T-E/OT
28736 шт.
(под заказ)
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MCP1661T-E/MNY
Microchip Technology Inc.
Арт.: 2338176 RD
Доступно: 33000 шт.
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условия
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MCP1661T-E/MNY
33000 шт.
(под заказ)
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условия
поставки