Datasheet AL3069Q (Diodes) - 6

AL3069Q Electrical Characteristics
(continued) (@TA = -40°C to +125°C, VIN = 12V, VEN = 5V, unless otherwise specified.)
Symbol Parameter Condition Min Typ Max Unit Overvoltage Protection
VOVP OVP Threshold Voltage VOUT Rising 1.9 2.0 2.1 V VOVP_HYS OVP Hysteresis — — 200 — mV VOVP_SH Shutdown Under Abnormal Condition — 3.0 3.2 3.4 V
Current Source
ICH Regulation Current per Channel RISET = 21.8kΩ 52.3 55 57.7 mA ICH = 55mA LED Current Matching Between Each Analog Dimming ICH_MATCH — 0.5 1 % String (Note 8) PWM Duty Cycle = 100% ICH Regulation Current per Channel 4 5.5 7 mA Analog Dimming LED Current Matching Between Each PWM Duty Cycle = 10% ICH_MATCH -0.1 1.5 5 % String (Note 8) Minimum LED Regulation Voltage VLED_REG I (Note 7) CH = 120mA — 500 — mV ILED_LEAK CH1 to CH4 Leakage Current VEN = 0, VLED = 37V — 0.1 1 µA VLED_S LED Short Protection Threshold — 8.0 8.7 9.5 V
Fault Indicator
VFOL FAULTB Output Low Voltage — — 10 — mV IF_LKG FAULTB Leakage Current — — — 0.15 µA
Overtemperature Protection
Thermal Shutdown Temperature TOTSD — — +160 — °C (Note 7) Thermal Shutdown Temperature THYS — — +30 — °C Hysteresis (Note 7) Notes: 7. Guaranteed by design. I − I MAX MIN 8. I =  % 100 CH _ MATCH 2  I AVG AL3069Q 6 of 18 July 2025 Document number: DS46159 Rev. 2 - 2
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