lp3164 Lowpower Semiconductor inc, lp3164 Datasheet
lp3164
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lp3164 Summary of contents
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... Current Source White LED Driver General Description The LP3164 is a low-dropout bias supply for white LEDs is a high-performance alternative to the simple ballast resistors used in conventional white LED designs. It supports 4 white LEDs with regulated constant current for uniform intensity. The LP3164 maintains low dropout current regulators ...
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... VIN 8 EN/PWM 10 LED4 11 LED3 12 LED2 13 LED1 Function Block Diagram LP3164 – Ver. 1.0 Datasheet Feb.-2008 Preliminary Datasheet LED1 DESCRIPTION NC No Internal Connection. Power Supply. Chip Enable(active High).and connects to a GPIO of MCU,the GPIO supply a PWM singal dimming method to control the brightness(0-20mA) of white LEDs and the PWM frequency from 200Hz to 10KHz,the duty from 0% to 100% ...
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... I Q Shutdown Current I SHDN LED Current Accuracy I LED-ERR LED Channel Matching I LED-LED-ERR Enable Threshold Low V EN(L) V Enable Threshold High EN(H) LP3164 – Ver. 1.0 Datasheet Feb.-2008 Preliminary Datasheet V ---------------------------------------------------------------------------- 6V INA, INB) ) ---------------------------------------------------------- 0. en/LED ) ---------------------------------------------------- QFN-16 ---------------------------------------------------------------- 1.5W D ------------------------------------------------------------------------------------50 Conditions No Load,1X mode ENB = GND 3mA< I 30mA LED< ...
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... Typical Operating Characteristics LP3164 – Ver. 1.0 Datasheet Feb.-2008 Preliminary Datasheet LP3164 Page ...
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... Packaging Information LP3164 – Ver. 1.0 Datasheet Feb.-2008 Preliminary Datasheet LP3164 Page ...