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MAX16805 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX16805 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 19 page EEPROM-Programmable, High-Voltage, 350mA LED Drivers with LED Current Foldback 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VIN = VEN = 12V, CV5 = 0.1µF, IV5 = 0, CS- = GND, RSENSE = 0.56Ω, VDIM = 4V, DGND = GND, TFP/SCL = 5V, TFN/SDA = 0V, SW = CFD = Open, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. IN to GND ...............................................................-0.3V to +45V DIM, OUT, EN to GND ................................-0.3V to (VIN + 0.3V) IN Slew Rate (20V < VIN < 45V) ...................................250mV/µs SDA, SCL (MAX16805), TFN/SDA, TFP/SCL (MAX16806) to GND...............................-0.3V to +6V CFD, CS+, V5 to GND ..............................................-0.3V to +6V DGND and CS- to GND.........................................-0.3V to +0.3V OUT Short Circuited to GND Duration (VIN < +16V)..........1 hour Maximum Current Into Any Pin (except IN and OUT) ......±20mA Continuous Power Dissipation (TA = +70°C) 20-Pin Thin QFN (derate 34.5mW/°C above +70°C)....2758.6mW Operating Temperature Range .........................-40°C to +125°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range VIN (Note 2) 5.5 40 V Ground Current IG ILOAD = 350mA 2.5 4.5 mA Shutdown Supply Current ISHDN VEN ≤ 0.3V 12 40 µA Guaranteed Output Current IOUT RSENSE = 0.55 Ω 350 mA Output Current Accuracy 35mA < IOUT < 350mA, RSENSE tolerance not included 3.0 % IOUT = 350mA, 12V < VIN < 40V 0.4 1.2 Dropout Voltage (Note 3) ∆VDO IOUT = 350mA, 6.5V < VIN < 12V 0.5 1.5 V Current rising, DIM rising to 4V 17 Output Current Slew Rate (External PWM Signal at DIM) Current falling, DIM falling to 0.6V 17 mA/µs Short-Circuit Current VOUT = 0V 600 mA ENABLE INPUT EN Input Current IEN 100 nA EN Input-Voltage High VIH 2.8 V EN Input-Voltage Low VIL 0.6 V Enable Turn-On Time tON EN rising edge to 90% of OUT 225 µs 5V REGULATOR 0 < IV5 < 0.5mA, SW = GND 4.9 5.1 5.3 Output Voltage Regulation (MAX16806) V5 6.5V < VIN < 40V 0 < IV5 < 2mA, SW = open 4.9 5.1 5.3 V Output Voltage Regulation (MAX16805) V5 0 < IV5 < 2mA, 6.5V < VIN < 40V 4.9 5.1 5.3 V CURRENT SENSE Regulated RSENSE Voltage VRSNS VSENSE = [VCS+ - VCS-], Binning Adjustment register at factory default (0x0F) 192 198 204 mV Input Current (CS+) VCS+ = 210mV 12 µA Input Current (CS-) VCS+ = 210mV -75 µA |
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