ADM00962, MIC3202 (Microchip Technology Inc. )

Наименование ADM00962
Производитель Microchip Technology Inc. (MCRCH)
Артикул 3380152
Чип
Входное напряжение Мин
Входное напряжение Макс
Управление диммированием
Количество выходов
Выходной ток
Топология
Комплектация Evaluation Board MIC3202 HB LED Driver
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Описание

The MIC3202 is a hysteretic, step-down, constant-current, LED driver for high brightness LED. It can be used for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination applications. The MIC3202 is well suited for lighting applications requiring a wide-input voltage range. The hysteretic control gives good supply rejection and fast response during load transients and PWM dimming. The high-side current sensing and on-chip current-sense amplifier delivers LED current with ±5% accuracy. An external high-side current-sense resistor is used to set the output current. The MIC3202 offers a dedicated PWM input (DIM pin) which enables a wide range of pulsed dimming. High-frequency switching operation of up to 1MHz allows the use of smaller external components, minimizing space and cost. The MIC3202 offers a frequency dither feature for low-EMI applications. The MIC3202 operates over a junction temperature from -40°C to +125°C and is available in an 8-pin SOIC package with exposed pad.

Возможности

    - 6V to 37V input voltage range
    - High efficiency (>90%)
    - ±5% LED current accuracy
    - MIC3202: Dither enabled for low EMI
    - High-side current sense (up to 1A)
    - Dedicated dimming control input
    - Hysteretic control (no compensation required)
    - Up to 1MHz switching frequency
    - Adjustable constant LED current with external current-sense resistor
    - Over-temperature protection
    - -40°C to +125°C junction temperature range
Демоплата  The MIC3202 is a hysteretic, step-down, constant-current, LED driver for high brightness LED. It can be used for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination applications. The MIC3202 is well su
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