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ST2221C Datasheet(PDF) 7 Page - List of Unclassifed Manufacturers |
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ST2221C Datasheet(HTML) 7 Page - List of Unclassifed Manufacturers |
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7 / 17 page  ST2221C 16-Bit Constant Current LED Drivers -6- Version：1.01 Electrical Characteristics (VDD = 5.0 V, Ta = 25°C unless otherwise noted) CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT Input Voltage “H” Level VIH ¾ 0.7VDD ¾ VDD Input Voltage “L” Level VIL ¾ GND ¾ 0.3VDD V Output Leakage Current IOH VOH = 9.5 V ¾ ¾ 1.0 uA VOL IOL = 1.0 mA ¾ ¾ 0.4 Output Voltage ( S - OUT) VOH IOH = -1.0 mA 4.6 ¾ ¾ V IOL1 VOUT = 0.7 ±0.25V REXT = 910 W ¾ 3 6 Output Current (Bit-Bit) IOL2 VOUT = 0.7 ±0.25V REXT = 360 W ¾ 3 6 IOL3 VOUT = 0.7V REXT = 910W ¾ 5 10 Output Current (Chip-Chip) IOL4 VOUT = 0.7V REXT = 360 W ¾ 5 10 % Supply Voltage Regulation % / VDD REXT = 470W, Ta = -40 ~ 85°C ¾ 1.5 5.0 % / V Pull-Up Resistor RIN(up) ¾ 150 300 600 KW Pull-Down Resistor RIN(down) ¾ 100 200 400 K W IDD(off)1 REXT = OPEN, OUT0~7 = off ¾ 0.3 0.6 IDD(0ff)2 REXT = 470 W, OUT0~7 = off 3.9 5.5 7.7 Supply Current “OFF” IDD(off)3 REXT = 250 W, OUT0~7 = off 7.2 10.1 14.1 IDD(on)1 REXT = 470W, OUT0~7 = on 3.9 5.5 7.7 Supply Current “ON” IDD(on)2 REXT = 250 W, OUT0~7 = on 7.2 10.1 14.1 mA Switching Characteristics (Ta = 25 °C unless otherwise noted) CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT SIN-OUTn ¾ 150 300 LATCH-OUTn ¾ 150 300 ENABLE-OUTn ¾ 150 300 Propagation Delay Time (“L” to “H”) CLK-SOUT tpLH ¾ 15 20 ns SIN-OUTn ¾ 30 60 LATCH-OUTn ¾ 30 60 ENABLE-OUTn ¾ 30 60 Propagation Delay Time (“H” to “L”) CLK-SOUT tpHL ¾ 15 20 ns Output Current Rise Time tor ¾ 170 340 ns Output Current Fall Time tof VDD=5.0V VIH=VDD VIL=GND REXT=470 W1 VL=3.0V RL=65W CL=13pF ¾ 20 40 ns 1 Delay time tpLH and Rise Time tor will both increase as the Rext value increased. |
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