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MAX16800ATE Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX16800ATE Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 9 page High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver _______________________________________________________________________________________ 3 Note 1: Resistors were added from OUT to CS+ to aid with the power dissipation during testing. Note 2: All devices 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design. Note 3: Dropout is measured as follows: Connect RO = 27 Ω from OUT to CS+. Connect RSENSE = 0.58Ω from CS+ to CS-. Set VIN = +12V (record VOUT as VOUT1). Reduce VIN until VOUT = 0.97 x VOUT1 (record as VIN2 and VOUT2). ∆VDO = VIN2 - VOUT2. Note 4: IV5 = 0mA. Note 5: Current regulation varies with V5 load (see the Typical Operating Characteristics). Note 6: Thermal shutdown does not function if the output of the 5V reference is shorted to ground. ELECTRICAL CHARACTERISTICS (continued) (VIN = +12V, EN = VIN, CV5 = 0.1µF to GND, IV5 = 0, CS- = GND, connect RSENSE = 0.58 Ω between CS+ and CS-. Connect OUT to CS+ (Note 1). TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS THERMAL OVERLOAD Thermal-Shutdown Temperature +155 °C Thermal-Shutdown Hysteresis 23 °C +5V REGULATOR Output Voltage Regulation V5 5.0 5.27 5.5 V Output Voltage Change ∆V5 0 < ILOAD < 4mA (Note 5) 15 60 Ω V5 Short-Circuit Current V5 = 0V (Note 6) 30 mA Typical Operating Characteristics (VIN = VEN = +12V, TA = +25°C, unless otherwise noted.) OUTPUT CURRENT vs. TEMPERATURE TEMPERATURE ( °C) 110 95 65 80 -10 5 20 35 50 -25 50 100 150 200 250 300 350 400 450 0 -40 125 ILOAD = 350mA ILOAD = 35mA ILOAD = 200mA ILOAD = 100mA (VCS+ - VCS-) vs. OUTPUT CURRENT OUTPUT CURRENT (mA) 320 290 230 260 80 110 140 170 200 50 0.201 0.202 0.203 0.204 0.205 0.206 0.207 0.208 0.209 0.210 0.200 20 350 VIN = 12V OUTPUT CURRENT vs. INPUT VOLTAGE INPUT VOLTAGE (V) 35 30 5 10 15 20 25 50 100 150 200 250 300 350 400 0 040 |
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