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LD1074 Datasheet(PDF) 7 Page - LDT Co., Ltd |
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LD1074 Datasheet(HTML) 7 Page - LDT Co., Ltd |
7 / 32 page Ver 1.1 7 LD1074 16-Channel Constant Current LED Driver With 16-Bit PWM Control and Dot-Correction LDT Inc. WE bldg. 5F, 126-33 Han-dle 1ro, Seobuk-gu, Cheonan, Chungnam, korea, 331-220 Tel. +82 41 520 7300 Fax. +82 41 520 7337 www.ldt.co.kr Electrical Characteristics (VDD=3.3V, Ta=25°C) Characteristics Symbol Condition Min. Typ. Max. Unit. Supply Voltage VDD - 3.0 3.3 3.6 V Sustaining Voltage at OUT Ports VDS OUT0 ~ OUT15 - - 5.5 V Output Current IOUT Refer to “Test Circuit for Electrical Characteristics” 2 - 45 mA IOH SDO - - -1.0 mA IOL SDO - - 1.0 mA Output Leakage Current IOUT VDS=5.5V - - 0.5 μA Current Skew (Channel) dIOUT IOUT=25.8mA VDS=1.0V Rext=560 Ω - ±1.0 ±2.0 % IOUT=45mA VDS=1.0V Rext=310 Ω - ±1.0 ±2.0 % Current Skew (IC) dIOUT2 IOUT=25.8mA VDS=1.0V Rext=560 Ω - ±1.5 ±3.0 % IOUT=45mA VDS=1.0V Rext=310 Ω - ±1.5 ±3.0 % Output Current vs. Output Voltage Regulation* %/dVDS VDS within 1.0V and 3.0V, Rext=560 Ω@25.8mA - ±0.3 ±1.0 %/V Output Current vs. Supply Voltage Regulation* %/dVDD VDD within 4.5V and 5.5V - ±0.5 ±1.5 %/V Input Voltage “H” level VIH Ta=-40~85ºC 0.7ⅹVDD - VDD V “L” level VIL Ta=-40~85ºC GND - 0.3ⅹVDD V Output Voltage SDO VOL IOL=+1.0mA - - 0.4 V VOH IOH=-1.0mA 2.9 - - V LED Open Error Detection Threshold VDS,TH - - 0.30 0.35 V Pull-down Resistor of LE RIN(down) - 250 450 800 K Ω Supply Current (DCLK=GCLK =0Hz) “Off” IDD(off) 1 Rext=Open, OUT0 ~ OUT15 =Off - 1.9 4.5 mA IDD(off) 2 Rext=560 Ω, OUT0 ~ OUT15 =Off - 6.1 9.5 IDD(off) 3 Rext=310 Ω, OUT0 ~ OUT15 =Off - 8.3 11.5 “On” IDD(on) 1 Rext=560 Ω, OUT0 ~ OUT15 =On - 6.1 11 IDD(on) 2 Rext=310 Ω, OUT0 ~ OUT15 =On - 9.4 13 Supply Current (DCLK=GCLK =30MHz, SDI=15MHz switching) “On” IDD(on) 1 Rext=560 Ω, OUT0 ~ OUT15 =On - 16.2 - IDD(on) 2 Rext=310 Ω, OUT0 ~ OUT15 =On - 16.7 - Thermal Flag Temperature 1 TTF1 Junction Temperature - 140 - ˚C Thermal Flag Temperature 2 TTF2 Junction Temperature - 160 - ˚C |
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