AAT3164 | High Efficiency 1X/1.5X/2X Charge Pump For Six-Channel White LED Applications

The AAT3164 is a low noise, constant frequency Charge Pump DC/DC converter that uses a tri-mode load Switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The device is capable of driving up to six channels of LEDs at up to 30mA per channel from a 2.7V to 5.5V input. The current sinks may be operated individually or in parallel for driving higher-current LEDs A low external parts count (two 1F flying capacitors and two small 1F capacitors at IN and OUT) makes this part ideally suited for small, battery-powered applications. AnalogicTech's patented single-wire Simple Serial Control" (S2Cwire") serial digital input is used to enable, disable, and set current for each LED with 16 levels from a maximum of 40mA down to 50A. The maximum current level is programmed via an external resistor. To save power, the low-current mode supply current CAN be programmed as low as 70A. Each output of the AAT3164 is equipped with built-in protection for VOUT short-circuit and auto-disable for LED short-circuit conditions. Built-in soft-start circuitry prevents excessive inrush current during start-up. A low-current shutdown feature disconnects the load from VIN and reduces quiescent current to less than 1A. The AAT3164 is available in a Pb-free, space-saving, ultra-thin (3x4x0.75mm), and thermally-enhanced 16-pin TDFN package.
By Advanced Analogic Technologies, Inc.
AAT3164 's PackagesAAT3164 's pdf datasheet

AAT3164 Pinout, Pinouts
AAT3164 pinout,Pin out
This is one package pinout of AAT3164,If you need more pinouts please download AAT3164's pdf datasheet.

AAT3164 Application circuits
AAT3164 circuits
This is one application circuit of AAT3164,If you need more circuits,please download AAT3164's pdf datasheet.

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