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( File format: PDF, 996K )
Compact, High Efficiency, High Power, Flash/Torch LED Driver with Dual Interface
Analog Devices Inc.

Description
The ADP1653 is a very compact, high efficiency, high power, camera flash LED driver optimized for cellular phones. The high efficiency and dynamic LED current control of the device improve flash...
Features
Small 6.4 mm × 7.2 mm solution 2.2 μH power inductor 92% peak efficiency Tx masking within 50 μs 2.1 A, 12 V power switch Pin-selectable interface: 2-bit logic or I2C Programmable flash and torch current Up to 200 mA in torch mode Up to 500 mA in flash mode Programmable indicator LED current up to 20 mA Programmable timer register: up to 820 ms flash timeout 2.75 V to 5.5 V input voltage range Low noise, 1.2 MHz PWM operation Safety features Interrupt output pin Fault condition register Short-circuit protection Output overvoltage protection Thermal overload protection Integrated current limit and soft start

Related Datasheets
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? ?ADP1653 Compact, High Efficiency, High Power, Flash/Torch LED Driver with Dual Interface ICs, Interface



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