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MAX8595X-MAX8596X Fiches technique(PDF) 2 Page - Maxim Integrated Products |
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MAX8595X-MAX8596X Fiches technique(HTML) 2 Page - Maxim Integrated Products |
2 / 8 page High-Efficiency, 36V Step-Up Converters with TA Derating Option for 2 to 9 White LEDs 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS 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 +6V PGND to GND .......................................................-0.3V to +0.3V LX, OUT to GND .....................................................-0.3V to +40V CTRL to GND...................-0.3V to the lower of +6V or (VIN + 2V) COMP, CS to GND ......................................-0.3V to (VIN + 0.3V) ILX ...................................................................................1.0ARMS Continuous Power Dissipation (TA = +70°C) 8-Pin TDFN 3mm x 3mm (derate 24.4mW/°C above +70°C) ............................ 1950mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C ELECTRICAL CHARACTERISTICS (VIN = 3.0V, L = 22µH, CIN = 2.2µF, COUT = 0.1µF, CCOMP = 0.1µF, RSENSE = 13 Ω, VCTRL = 1.5V, TA = -40°C to +85°C, unless other- wise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER CONDITIONS MIN TYP MAX UNITS Supply Voltage 2.6 5.5 V UVLO Threshold VIN rising or falling 2.10 2.38 2.55 V UVLO Hysteresis 30 mV Quiescent Current No switching 0.5 0.7 mA TA = +25 °C 0.3 2 Shutdown Supply Current CTRL = GND, VOUT = VIN TA = +85 °C1 µA OVLO Threshold VOUT rising 36 38 40 V OVLO Hysteresis 2V VOUT = 32V, VCTRL > 0.24V 9 20 35 TA = +25 °C 0.01 1 OUT Input Bias Current OUT = IN, CTRL = GND TA = +85 °C 0.1 µA Output Voltage Range (Note 2) VIN - VD 36 V ERROR AMPLIFIER TA = +25 °C 0.295 0.300 0.305 TA = 0 °C to +85°C 0.292 0.300 0.308 CTRL to CS Regulation VCTRL = 1.50V, VIN = 2.6V to 5.5V TA = -40 °C to +85°C 0.290 0.300 0.310 V TA = +25 °C 0.01 1 CS Input Bias Current VCS = VCTRL / 5 TA = +85 °C 0.03 µA MAX8595X, VCTRL = 3.0V 310 330 347 TA = -40 °C to +25°C 330 345 360 TA = +42 °C 343 CS Maximum Brightness Clamp Voltage MAX8596X, VCTRL = 3.0V TA = +85 °C 106.5 mV MAX8595Z 1.65 CTRL Voltage for CS Maximum Brightness Clamp MAX8596Z 1.72 V CS Derating Function Start Temperature MAX8596Z, VCTRL = 3.0V +42 °C |
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