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PAM2811DACR Datasheet(PDF) 1 Page - Power Analog Micoelectronics |
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PAM2811DACR Datasheet(HTML) 1 Page - Power Analog Micoelectronics |
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1 / 12 page ![]() Features Applications Description Packages. n n n n n n n Support up to 4 LEDs LED sink current 20mA Low Dropout Voltage Low Quiescent Supply Current:270uA(typ) No Noise and EMI Shutdown Current Less than 1uA Over Temperature Protection 16-Step Brightness Control Small Package: QFN3x3-16L,MSOP-8L SOT23-8L, DFN2X2-8L Pb-free Package Mobile phone Digital camera PDA Mp3 QFN3x3-16L,MSOP- 8L, n n n n n n The PAM2811 provides 4 regulated current sinks, capable of sinking up to 20mA current to accommodate 4 white LEDs. It requires no charge pump, has no noise and EMI, and significantly improves the efficiency in Li battery range. LED brightness can be controlled by Single-wire dimming techniques. The constant current sink is set by16-step. The PAM2811 is available in SOT23-8L and DFN2X2-8L Typical Application 1 www.poweranalog.com 03/2010 Rev1.0 , Power Analog Microelectronics Inc PAM2811 4-Channel Single-Wire Dimming LED Drive with Ultra Low Dropout Current Sink PAM2811 EN LED4 LED3 LED2 LED1 GND 1uF VIN Pulse Input ss 12 n16 ≤ PGND |
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