White LED Step-Up Converter

White LED Step-up Converter,The PT4102 is a Step-up DC/DC converter designed for driving up to 8 white LEDs in series from a single cell Lithium Ion battery with constant current. Because it directly regulates output current, the PT4102 is ideal for driving light Emitting Diodes (LEDs) whose light intensity is proportional to the current passing through them, not the voltage across their terminals. A single external resistor sets LED current between 5mA and 20mA, which CAN then be easily adjusted using either a DC voltage or a pulse width modulated (PWM) signal. Its low 104mV feedback voltage reduces power loss and improves efficiency. The PT4102 is available in SOT23-5 and SC70 packages. By China Resources Powtech (Shanghai) Co., Ltd
Part Manufacturer Description Datasheet Samples
PT4102C Texas Instruments 1-OUTPUT 15W DC-DC REG PWR SUPPLY MODULE, ROHS COMPLIANT, DIP-6
PT4102A Texas Instruments 1-OUTPUT 15W DC-DC REG PWR SUPPLY MODULE, THROUGH-HOLE PACK, 6 PIN
PT4102 's PackagesPT4102 's pdf datasheet



PT4102 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
PT4102 Application circuits
PT4102 circuits
This is one application circuit of PT4102,If you need more circuits,please download PT4102's pdf datasheet.


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