Datasheet AL5822 (Diodes) - 4
Manufacturer | Diodes |
Description | Adaptive 100/120HZ LED Current Ripple Suppressor |
Pages / Page | 10 / 4 — AL5822. Electrical Characteristics. Symbol. Parameter. Conditions. Min. … |
File Format / Size | PDF / 547 Kb |
Document Language | English |
AL5822. Electrical Characteristics. Symbol. Parameter. Conditions. Min. Typ. Max. Unit. UVLO. Operation Current. U D. VLMT. Timing
Model Line for this Datasheet
Text Version of Document
AL5822 Electrical Characteristics
(@TA = +25°C, VIN = 12V, unless otherwise specified.) (Note 6)
Symbol Parameter Conditions Min Typ Max Unit UVLO
VTH(ST) Startup Voltage of VIN Pin – – 14.5 – V VOPR(MIN) Minimal Operating Voltage After Turn On – 8.5 – V VIN_CLAMP VIN Clamp Voltage IVIN=1mA – 27 – V
Operation Current
IST VIN= VTH(ST)_MIN-0.5V – – 100 – A
T
IIN (OPR) VIN Operation Current – – 220 – A
C VG U D
VVG Maximum VG Output Voltage – – 8 – V
O VLMT R
VVLMT VLMT Reference Voltage – 1.9 2 2.1 V
P VD W
LED Short Circuit Protection
E
R V LMT1=RLMT2=100k, LED D_SHORT Threshold Voltage for Drain of the – 8 – V String Short
N
External MOSFET
Timing
tSHT_DELAY LED Short Circuit Protection Delay – – 70 – s LED Short Circuit Protection Holding tSHT_HOLD – – 40 – ms Time
Thermal Protection
TSHDN_HYS – – – +40 – °C TSHDN Thermal Shutdown (LED1) – – +165 – °C Note: 6. All voltages unless otherwise stated are measured with respect to GND pin. AL5822 4 of 10 January 2019 Document number: DS41708 Rev. 1 - 2
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