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LP55271TL Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LP55271TL Datasheet(HTML) 3 Page - National Semiconductor (TI) |
3 / 21 page Connection Diagrams and Package Mark Information (Continued) Pin Descriptions Pin Name Type Description D3 VDD1 P Supply Voltage A1 VDD2 P Supply Voltage F5 SW1 A Boost Converter Switch E5 SW2 A Boost Converter Switch D5 FB A Boost Converter Feedback B5 LED1 O LED1 Driver Output A5 LED2 O LED2 Driver Output B4 LED3 O LED3 Driver Output A4 LED4 O LED4 Driver Output F2 FLASH O Flash LED Driver Output F3 GNDC G Ground for Core Circuitry D2 RT A Oscillator Frequency Setting C1 VREF A Reference Voltage B1 VDDA P Internal LDO F4 GND_SW1 G Boost Converter Ground E4 GND_SW2 G Boost Converter Ground C5 GND_LED G LEDs 1 to 4 Driver Ground Connection F1 GND_FLASH G Flash Driver Ground Connection A2 IFLASH A Resistor for Flash Current Setting D1 GNDA G Analog Ground Connection C3 GND G Ground E1 VDD_IO P Supply Voltage for Digital Interface A3 NRST DI Low Active Reset B3 SCL DI I 2C Compatible Interface Clock Signal E2 SDA OD I 2C Compatible Interface Data Signal E3 FLASH_SYNC DI FLASH LED Control D4 T2 DO Test Pin (Result) C4 T1 DI Test Pin (Clock) C2 ASE1 AI Audio Input B2 ASE2 AI Audio Input A: Analog Pin D: Digital Pin G: Ground Pin P: Power Pin I: Input Pin I/O: Input/Output Pin O: Output Pin OD: Open Drain Pin www.national.com 3 |
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