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EUP3611-1A Charge Pump LED Driver
Description
The EUP3611 is a large-current charge pump designed specifically for white LEDs used in camera flash applications. Only one small bucket capacitor is required to develop the output drive, providing a low EMI solution compared with inductive boost regulators.
The EUP3611 has two operation modes: Flash mode and Movie mode. In Flash mode, the EUP3611 is capable of delivering up to 1A. A safety timer is also included to ensure the LED can not be on indefinitely and overheat.
The EUP3611 is available in a 10-pin TDFN and WCSP-12 packages.
Feature
•Flash mode - output current up to 1A at VIN=3.6V
•Flash and movie - two able modes
•Built in flash mode safety timer protection
•1X and 2X automatic mode for high efficiency
•Input range – 2.7V to 5.5V
•External flash control pin for synchronization to a camera module or graphics controller
•Short-circuit, over-voltage, over-current and over-temperature protection
•Soft-start functionality
•3mm 3mm TDFN-10 and 1.2mm 1.6mm WCSP-12 Packages
•RoHS compliant and 100% lead (Pb)-free Halogen-Free
Application
•Mobile Camera Phones
•Digital Cameras
•PDAs with Built-In Cameras
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