Low Noise, High Efficiency White LED Charge Pump

The T6313A is a Charge Pump DC/DC converter driving a constant current up to 20mA for each LED of total four LEDs It is a high efficiency device that is up to 93%, and it would be a suitable driving device for LED back light application. The T6313A operates in a 1.5x Charge Pump mode based on input voltage from 2.7v to 5.5v. Operation frequency is at fixed high frequencies either 500KHz or 1MHz typically. It CAN drive 4 white LEDs connected in parallel and provides tightly matched regulated current to achieve uniformity of brightness in LCD backlighting applications. The T6313A uses two input pins to enable, disable, and set the LED drive current for one of 32 levels of brightness. Also has a built-in soft- start circuitry to prevent excessive inrush current during start-up. A very low shutdown current feature and a low quiescent current will consume very little power and allow the device to operate in a very high efficiency. The T6313A is available in 16-pin QFN packages. By TM Technology Inc.
T6313A 's PackagesT6313A 's pdf datasheet

T6313A Pinout, Pinouts
T6313A pinout,Pin out
This is one package pinout of T6313A,If you need more pinouts please download T6313A's pdf datasheet.

T6313A Application circuits
T6313A circuits
This is one application circuit of T6313A,If you need more circuits,please download T6313A's pdf datasheet.

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