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MIC3223 Datenblatt (PDF) - Micrel Semiconductor

MIC3223 Datasheet PDF - Micrel Semiconductor
Teilenummer MIC3223
Download  MIC3223 Download

Filegröße   1286.19 Kbytes
Page   24 Pages
Hersteller  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Bauteilbeschribung High Power Boost LED Driver with Integrated FET

MIC3223 Datasheet (PDF)

Go To PDF Page Download Datenblatt
MIC3223 Datasheet PDF - Micrel Semiconductor

Teilenummer MIC3223
Download  MIC3223 Click to download

Filegröße   1286.19 Kbytes
Page   24 Pages
Hersteller  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Bauteilbeschribung High Power Boost LED Driver with Integrated FET

MIC3223 Datenblatt (HTML) - Micrel Semiconductor

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MIC3223 Produktdetails

General Description

The MIC3223 is a constant current boost LED driver capable of driving a series string of high power LEDs. The MIC3223 can be used in general lighting, bulb replacement, garden pathway lighting and other solid state illumination applications.

The MIC3223 is a peak current mode control PWM boost regulator and the 4.5V and 20V operating input voltage range allows multiple applications from a 5V or a 12V bus.



Features

• 4.5V to 20V supply voltage

• 200mV feedback voltage with an accuracy of ±5%

• Step-up output voltage (boost) conversion up to 37V

• 1MHz switching frequency

• 100mΩ/3.5A internal power FET switch

• LEDs can be dimmed using a PWM signal

• User settable LED current (through external resistor)

• Externally programmable soft-start

• Protection features that include:

   – Output over-voltage protection (OVP)

   – Under-voltage lockout (UVLO)

   – Over temperature protection

• Junction temperature range: -40°C to +125°C

• Available in a exposed pad 16-pin TSSOP package



Applications

• Architectural lighting

• Industrial lighting

• Signage

• Landscape lighting (garden/pathway)

• Under cabinet lighting

• MR-16 bulbs

 




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