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MAX16831 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX16831 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 19 page High-Voltage, High-Power LED Driver with Analog and PWM Dimming Control 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VCC = VUVEN = 14V, CREG1 = 1µF, CREG2 = 1µF, CCLMP = 0.1µF, RT = 25kΩ, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical specifications are at TA = +25°C.) 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. VCC, HI, LO, CLMP to QGND .................................-0.3V to +80V CS+, CS-, DGT, UVEN to QGND............................-0.3V to +80V UVEN to QGND ..........................................-0.3V to (VCC + 0.3V) DRV to SGND .........................................................-0.3V to +18V DRI, REG2, DIM to AGND ......................................-0.3V to +18V QGND, SGND to AGND ........................................-0.3V to +0.3V SNS+ to SNS- ...........................................................-0.3V to +6V CS, FB, COMP, SNS+, SNS-, OV, REF, RTSYNC to AGND .................................................-0.3V to +6V REG1, CLKOUT to AGND ........................................-0.3V to +6V CS+ to CS- .............................................................-0.3V to +12V HI to LO ..................................................................-0.3V to +36V CS+, CS-, DGT, CLMP to LO .................................-0.3V to +12V CS+, CS-, DGT, CLMP to LO ........................-0.3V to (HI + 0.3V) HI to CLMP .............................................................-0.3V to +28V Continuous Power Dissipation* (TA = +70°C) 32-Pin TQFN (derate 34.5mW/°C above +70°C) ........2758mW Thermal Resistance* θJA.................................................................................29°C/W θJC................................................................................1.7°C/W Operating Temperature Range .........................-40°C to +125°C Maximum Junction Temperature .....................................+150°C Storage Temperature Range .............................-60°C to +150°C Reflow Temperature.........................................................+240°C Lead Temperature (soldering, 10s) .................................+300°C *As per JEDEC 51 standard, multilayer board (PCB). PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Voltage Range VCC 5.5 76.0 V Supply Current IQ IREG2 = 0A 2.7 4.5 mA Shutdown Current ISHDN VUVEN ≤ 0.8V 25 45 µA UVEN VCC_R VCC rising 5.5 6.0 VCC UVLO Threshold VCC_F VCC falling 5.0 5.5 V VCC Threshold Hysteresis VCC_HYS 0.4 V VUVR VUVEN rising 1.100 1.244 1.360 UVEN Threshold VUVF VUVEN falling 1.000 1.145 1.260 V UVEN Input Current IUVEN VUVEN = 0V and VUVEN = 76V, VCC = 77V -0.2 +0.2 µA REGULATORS 0 ≤ IREG1 ≤ 2mA, 7.5V ≤ VCC ≤ 76V 4.75 5.00 5.25 REG1 Regulator Output VREG1 IREG1 = 2mA, VCC = 5.7V 4.00 4.50 5.25 V REG1 Dropout Voltage IREG1 = 2mA (Note 1) 0.5 1.0 V REG1 Load Regulation ΔV/ΔIVCC = 7.5V, 0 ≤ IREG1 ≤ 2mA 25 Ω 7.5V ≤ VCC ≤ 76V, IREG2 = 1mA 6.65 7.00 7.35 REG2 Regulator Output VREG2 VCC = 5.7V, 0 ≤ IREG2 ≤ 20mA 4.5 5.0 V REG2 Dropout Voltage IREG2 = 20mA (Note 1) 0.5 V REG2 Load Regulation ΔV/ΔIVCC = 7.5V, 0 ≤ IREG2 ≤ 20mA 25 Ω HIGH-SIDE REGULATOR (CLMP) (All Voltages Referred to LO) (Note 2) CLMP UVLO Threshold VCLMPTH VCLMP rising 2.0 2.5 3.0 V CLMP UVLO Threshold Hysteresis VCLMPHYS 0.22 V |
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