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MAX16824 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX16824 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 13 page MAX16824/MAX16825 High-Voltage, Three-Channel Linear High-Brightness LED Drivers 4 Maxim Integrated ELECTRICAL CHARACTERISTICS (continued) (VIN = 12V, CREG = 1µF to GND, IREG = 0, RCS_ = 2Ω from CS_ to GND, TJ = TA = -40°C to +125°C, unless otherwise noted. Typical values are at TJ = TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS CLK Rising to OUT_ Rising Delay tCRR 50% of CLK rising to 50% of OUT_ rising, Figure 4 150 ns CLK Rising to OUT_ Falling Delay tCRF 50% of CLK rising to 50% of OUT_ falling, Figure 4 475 ns OE Rising to OUT_ Rising Delay tOEH 50% of OE rising to 50% of OUT_ rising, Figure 3 150 ns OE Falling to OUT_ Falling Delay tOEL 50% of OE falling to 50% of OUT_ falling, Figure 3 475 ns Note 2: All devices are 100% production tested at TJ = +25°C and TJ = +125°C. Limits to -40°C are guaranteed by design. Note 3: This specification does not include sense resistor tolerance and ground error. Note 4: Dropout is measured as follows: RCS_ = 1.21Ω from CS_ to GND. Force 100mA into OUT_ and measure the dropout voltage from OUT_ to CS_. DVDO = ( ∆OUT_ - VCS_). Note 5: OUT’s current regulation varies with load across REG (see the Typical Operating Characteristics). Note 6: Overtemperature protection does not function if the output of the 5V reference (REG) is shorted to ground. Note 7: Guaranteed by design, not production tested. 0 0.2 0.1 0.5 0.4 0.3 0.6 0.7 0.9 0.8 1.0 -40 -10 5 -25 20 35 50 65 80 95 110 125 DROPOUT VOLTAGE vs. TEMPERATURE TEMPERATURE ( °C) ILOAD = 100mA 0.182 0.192 0.187 0.197 0.202 0.207 060 45 15 30 75 90 105 120 135 150 CS_ VOLTAGE vs. OUTPUT CURRENT OUTPUT CURRENT (mA) OUTPUT CURRENT vs. INPUT VOLTAGE VIN (V) 26 24 20 22 6 8 10 12 14 16 18 2 4 10 30 50 70 90 110 130 150 170 190 -10 028 ILOAD = 150mA ILOAD = 100mA Typical Operating Characteristics (VIN = 12V, CREG = 1µF to GND, IREG = 0, RCS_ = 2Ω from CS_ to GND, TA = +25°C, unless otherwise noted. Typical values are at TA = +25°C.) |
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