LTC3214
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LTC3214

500mA Camera LED Charge Pump

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LTspice LTC3214 - LED Driver IC Download 1.13 KB
Part Models 2
1ku List Price Starting From $2.07
Features
  • Low Noise Constant Frequency Operation
  • High Efficiency: Up to 94%
  • Multi-Mode Operation: 1x, 1.5x or 2x Boost Modes
  • Automatic Mode Switching
  • High Output Current: Up to 500mA
  • Tiny Application Circuit (3mm × 3mm DFN Package All Components <1mm High)
  • Automatic Soft-Start
  • Output Disconnect
  • Open, Shorted LED Protection
  • No Inductors
  • Internal 110mΩ LED Current Sense Resistor 3mm × 3mm 10-Lead DFN Package
Additional Details
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The LTC3214 is a low noise, high current charge pump DC/DC converter capable of driving high current LEDs at up to 500mA from a 2.9V to 4.5V input. Low external parts count (two flying capacitors, one programming resistor and two bypass capacitors at VIN and CPO) make the LTC3214 ideally suited for small, battery-powered applications.

Built-in soft-start circuitry prevents excessive inrush current during start-up. High switching frequency enables the use of small external capacitors.

Output current level is programmed by an external resistor. LED current is regulated using an internal 110mΩ sense resistor. Automatic mode switching optimizes efficiency by monitoring the voltage across the charge pump and switching modes only when dropout is detected. The part is available in a low profile 3mm x 3mm 10-lead DFN package.

Applications

  • LED Torch/Camera Light Supply for Cell Phones, PDAs and Digital Cameras
  • General Lighting and/or Flash/Strobe Applications
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Documentation View All Documentation
LTspice LTC3214 - LED Driver IC Download 1.13 KB
Part Models 2
1ku List Price Starting From $2.07
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LTC3214

Documentation

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Data Sheet

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UPDATED 02/29/2008
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LTC3214: 500mA Camera LED Charge Pump Data Sheet

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UPDATED 10/10/2013
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LTC3214: 500mAカメラ LEDチャージポンプ データシート

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User Guide

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UPDATED 09/24/2009
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DC902A - Demo Manual redirect icon

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Reliability Data

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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC3214EDD#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC3214EDD#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

Software & Part Ecosystem

Evaluation Kits 2

reference details image

DC902A-B

LTC3214EDD | Low Noise, High Current LED Flash Charge Pump, VIN = 2.9V to 4.4V, Lumimicro LED

reference details image

DC902A-A

LTC3214EDD | Low Noise, High Current LED Flash Charge Pump, VIN = 2.9V to 4.4V, AOT LED

Evaluation Kits2

evaluation kit item images

DC902A-B

LTC3214EDD | Low Noise, High Current LED Flash Charge Pump, VIN = 2.9V to 4.4V, Lumimicro LED
evaluation kit item images

DC902A-A

LTC3214EDD | Low Noise, High Current LED Flash Charge Pump, VIN = 2.9V to 4.4V, AOT LED

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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LTC3214 - LED Driver IC Download

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