LTC3218 pump equivalent, 400ma single wire camera led charge pump.
* Low Noise Constant-Frequency Operation
* Multi-Mode Operation: 1x or 2x Boost Mode
* Automatic Mode Switching
* High Output Current: 150mA (Continuous),.
* LED Torch/Flash Supply for DSCs/Cellphones
DESCRIPTION
The LTC®3218 is a low-noise, high-current charge pump DC/D.
The LTC®3218 is a low-noise, high-current charge pump DC/DC converter capable of driving high current LEDs at up to 400mA from a 2.9V to 4.5V input. A low external parts count (one flying capacitor, two programming resistors and two bypass capacitors .
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