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MAX6471TA15AD3 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX6471TA15AD3 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 20 page 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND, unless otherwise noted.) IN, SHDN, OUT, FB ..................................................-0.3V to +7V MR, SET .......................................................-0.3V to (VIN + 0.3V) RESET (push-pull) ...................................-0.3V to (VOUT + 0.3V) RESET (open drain)..................................................-0.3V to +7V OUT Short Circuit .......................................................Continuous Input/Output Current (all pins except IN and OUT) ............20mA Continuous Power Dissipation (TA = +70°C) 3 x 3 UCSP (derate 10.5mW/°C above +70°C) ............840mW 6-Pin SOT23 (derate 9.1mW/°C above +70°C).............727mW 8-Pin Thin QFN (derate 24.4mW/°C above +70°C) ..............................1951mW 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 = (VOUT + 0.5V) or +2.5V, whichever is greater, COUT = 3.3µF, TA = -40°C to +85°C. Typical specifications are at TA = +25°C, unless otherwise noted.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Voltage Range VIN 2.5 5.5 V Input Undervoltage Lockout VUVLO VIN falling 2.25 2.47 V IOUT = 0 82 136 Supply Current (Ground Current) IQ IOUT = 300mA 96 µA Shutdown Supply Current ISHDN TA = +25°C 0.1 1 µA REGULATOR CIRCUIT Output Current 300 mA 1mA ≤ IOUT ≤ 150mA, TA = +25°C -1.3 +1.3 1mA ≤ IOUT ≤ 150mA, TA = -40°C to +85°C -2.3 +2.3 Output Voltage Accuracy (Fixed Output Voltage Operation, Table 1) MAX6469–MAX6476 1mA ≤ IOUT ≤ 300mA, TA = -40°C to +85°C -2.7 +2.7 % 2mA ≤ IOUT ≤ 100mA, TA = +25°C -1.1 +1.1 2mA ≤ IOUT ≤ 100mA, TA = -40°C to +85°C -2.0 +2.0 Output Voltage Accuracy (Fixed Output Voltage Operation, Table 1) MAX6477–MAX6484 2mA ≤ IOUT ≤ 300mA, TA = -40°C to +85°C (Note 3) -2.5 +2.5 % Adjustable Output Voltage Range VSET 5.0 V SET Reference Voltage VSET 1.200 1.229 1.258 V SET Dual Mode TM Threshold 185 mV SET Input Leakage Current ISET VSET = 0, +1.2V (Note 3) ±20 ±100 nA Dual Mode is a trademark of Maxim Integrated Products, Inc. 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. Note 1: The MAX6477–MAX6484 are constructed using a unique set of packaging techniques that impose a limit on the thermal pro- file the devices can be exposed to during board-level solder attach and rework. This limit permits only the use of the solder profiles recommended in the industry-standard specification, JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection reflow. Pre-heating is required. Hand or wave soldering is not allowed. |
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