华润矽威全系列芯片现货优势供应PT4115/PT4205/PT4211/PT4119/PT4240A/PT4121/PT4119E/PT4115E电源主控芯片PT4501C PT4226A PT4227A PT4229A PT4209 PT4213 PT4240A PT4516 PT4515 PT4218 DC-DC芯片PT4121PT4115 PT4119 0755-82549211深圳市瑞Xinsheng Technology Miss Huang

The PT4115 is a continuous inductor current conduction mode step-down constant current source for driving one or more LEDs in series. The PT4115 has an input voltage range from 8 volts to 30 volts and an adjustable output current up to 1.2 amps. Depending on the input voltage and external components, the PT4115 can drive LEDs up to tens of watts.

The PT4115 has a built-in power switch, uses high-side current sampling to set the average LED current, and accepts analog dimming and a wide range of PWM dimming through the DIM pin. When the voltage of DIM is lower than 0.3V, the power switch is turned off, and the PT4115 enters the standby state with extremely low operating current.

PT4115 is available in SOT89-5 package and ESOP8 package.

Features:

z Few external components

z Wide input voltage range: from 8V to 30V z Maximum output current of 1.2A

z Multiplexing DIM pins for LED switching, analog dimming and PWM dimming

z 5% output current accuracy

z LED open circuit natural protection

z Up to 97% efficiency

z Output adjustable constant current control method

z ESOP8 package with enhanced heat dissipation capability can be used for high power drive

application:

Low-voltage LED spotlights instead of halogen lamps

Car LED lights

LED backup lights

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