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DM133 Datasheet(PDF) 2 Page - Silicon Touch Technology Inc. |
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DM133 Datasheet(HTML) 2 Page - Silicon Touch Technology Inc. |
2 / 20 page DM133 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 16-Bit Constant Current LED Drivers -1- Version :A.024 DM133 16-Bit Constant Current LED Drivers with LED Open/Short Detection General Description The DM133 is a constant current driver specifically designed for LED display applications. The device includes a 16-bit shift register, two latches, and constant current drivers on a single Silicon CMOS chip. Its built-in open/short detection and thermal alarm circuits help the user to detect the overheating of the IC and LED failures. Its user-friendly design allows the user to adjust the output current (5~60mA) by using an external resistor. The current also can be further tuned by 6-bit serial shift-in data. Features Constant Current Output: Current with one resistor for 5mA to 60mA Maximum Clock Frequency: 25MHz (Max.) Power Supply Voltage: 3.3V to 5.0V CMOS Compatible Input/Output Package: HSOP28, SSOP28, QFN32 Constant Current Matching: 10mA ~ 60mA : Bit-to-Bit : ± 4.0% (Max)、 Chip-to-Chip: ± 10.0% (Max) 5mA ~ 10mA : Bit-to-Bit : ± 6.0% (Max)、 Chip-to-Chip: ± 12.0% (Max) Maximum Output Voltage: 17V Thermal Alarm Function: Error signal output when junction temperature exceeds limit LED Open/Short Detection: Error signal output when LED is failed 6 bit Linear Global Current Adjustment |
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