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MIC2291 Fiches technique (PDF) - Micrel Semiconductor

MIC2291 Datasheet PDF - Micrel Semiconductor
No de pièce MIC2291
Télécharger  MIC2291 Télécharger

Taille du fichier   107.45 Kbytes
Page   9 Pages
Fabricant  MICREL [Micrel Semiconductor]
Site Internet  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Description 1.2A PWM Boost Regulator Photo Flash LED Driver

MIC2291 Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
MIC2291 Datasheet PDF - Micrel Semiconductor

No de pièce MIC2291
Télécharger  MIC2291 Click to download

Taille du fichier   107.45 Kbytes
Page   9 Pages
Fabricant  MICREL [Micrel Semiconductor]
Site Internet  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Description 1.2A PWM Boost Regulator Photo Flash LED Driver

MIC2291 Fiches technique (HTML) - Micrel Semiconductor

MIC2291 Datasheet HTML 1Page - Micrel Semiconductor MIC2291 Datasheet HTML 2Page - Micrel Semiconductor MIC2291 Datasheet HTML 3Page - Micrel Semiconductor MIC2291 Datasheet HTML 4Page - Micrel Semiconductor MIC2291 Datasheet HTML 5Page - Micrel Semiconductor MIC2291 Datasheet HTML 6Page - Micrel Semiconductor MIC2291 Datasheet HTML 7Page - Micrel Semiconductor MIC2291 Datasheet HTML 8Page - Micrel Semiconductor MIC2291 Datasheet HTML 9Page - Micrel Semiconductor

MIC2291 Détails du produit

General Description
The MIC2291 is a 1.2MHz Pulse Width Modulation (PWM), boost-switching regulator that is optimized for high-current, white LED photo flash applications. With a guaranteed switch current of 1.2A, the MIC2291 easily drives a string of 3 white LEDs in series at 100mA, ensuring a high level of brightness and eliminating several ballast resistors.

Features
• 2.5V to 10V input voltage
• Output voltage up to 34V
• 1.2A switch current
• 1.2MHz PWM operation
• 95mV feedback voltage
• Overvoltage protection (OVP)
    – Options for 15V and 34V
• Stable with ceramic capacitors
• <1% line and load regulation
• 1µA shutdown current
• Over temperature protection
• UVLO
• Low-profile Thin SOT23-5 package option
• 2mm × 2mm MLF® package option
• –40°C to +125°C junction temperature range

Applications
• Photo Flash LED driver
• Cell phones
• PDAs
• GPS systems
• Digital cameras
• IP phones
• LED flashlights




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