ME2658_E2.0微盟原厂规格书.pdf

ME2658 16 bit Seri-In/Parallel-Out Constant-Current LED Driver Description Features The ME2658 is designed for LED displays and  Constant Output Current Invariant to Voltage LED lighting applications. The ME2658 contains a  Constant current range： 16-bit shift register and data latches, which convert 3-45mA@VDD= 5V serial input data into parallel output format. At the 3-30mA@VDD= 3.3V ME2658 output stage, 16 regulated current ports  Excellent Output Current Accuracy: provide uniform and constant current for driving –Between Channels: ±2.5% (Max) LEDs within a wide range of VF variations. Used in –Between ICs: ±3% (Max) system design for LED display applications (e.g.,  Output Current Adjusted By External Resistor LED panels), the ME2658 provides great flexibility  Fast Response of Output Current, OE (Min):50ns  Staggered output delay：10ns and device performance. Users can adjust the 5  ESD Performance: 4kV HBM output current from 3 mA to 45 mA through an 0  3.3V to 5V Supply Voltage external resistor, Rext which gives flexibility in 3  Schmitt trigger input controlling the light intensity of LEDs. ME2658 is 3  25-MHz Clock Frequency designed for up to 12 V at the output port. The high 1 clock frequency, 25 MHz, also satisfies the system 5 3 requirements of high-volume data transmission. 2 The serial data is transferred into ME2658 via SDI,