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MAX1537AETX Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX1537AETX Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 38 page High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (Circuit of Figure 1, VIN = 12V, both SMPS enabled, VCC = 5V, FSEL = REF, SKIP = GND, VILIM_ = VLDO5, VINA = 15V, VLDOA = 12V, ILDO5 = ILDO3 = ILDOA = no load, TA = 0°C to +85°C, unless otherwise noted. Typical values 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. IN, SHDN, INA, LDOA to GND ...............................-0.3V to +30V GND to PGND .......................................................-0.3V to +0.3V LDO5, LDO3, VCC to GND .......................................-0.3V to +6V ILIM3, ILIM5, PGDLY to GND...................................-0.3V to +6V CSL3, CSH3, CSL5, CSH5 to GND ..........................-0.3V to +6V ON3, ON5, FB3, FB5 to GND ..................................-0.3V to +6V SKIP, OVP, UVP to GND...........................................-0.3V to +6V PGOOD, FSEL, ADJA, ONA to GND ........................-0.3V to +6V REF to GND ................................................-0.3V to (VCC + 0.3V) DL3, DL5 to PGND..................................-0.3V to (VLDO5 + 0.3V) BST3, BST5 to PGND .............................................-0.3V to +36V LX3 to BST3..............................................................-6V to +0.3V DH3 to LX3 ..............................................-0.3V to (VBST3 + 0.3V) LX5 to BST5..............................................................-6V to +0.3V DH5 to LX5 ..............................................-0.3V to (VBST5 + 0.3V) LDO3, LDO5 Short Circuit to GND .............................Momentary REF Short Circuit to GND ...........................................Momentary INA Shunt Current.............................................................+15mA Continuous Power Dissipation (TA = +70°C) 32-Pin TQFN (derate 21.3mW/°C above +70°C) .......1702mW 36-Pin TQFN (derate 26.3mW/°C above +70°C) .......2105mW 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 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS INPUT SUPPLIES (Note 1) LDO5 in regulation 6 26 VIN Input Voltage Range VIN IN = LDO5, VOUT5 < 4.43V 4.5 5.5 V VIN Operating Supply Current IIN LDO5 switched over to CSL5 15 35 µA VIN Standby Supply Current IIN(STBY) VIN = 6V to 26V, both SMPS off, includes ISHDN 100 170 µA VIN Shutdown Supply Current IIN(SHDN) VIN = 6V to 26V, SHDN = GND 5 17 µA Quiescent Power Consumption PQ Both SMPS on, FB3 = FB5 = SKIP = GND, VCSL3 = 3.5V, VCSL5 = 5.3V, VINA = 15V, ILDOA = 0, PIN + PCSL3 + PCSL5 + PINA 3.5 4.5 mW VCC Quiescent Supply Current ICC Both SMPS on, FB3 = FB5 = GND, VCSL3 = 3.5V, VCSL5 = 5.3V 1.1 2.1 mA MAIN SMPS CONTROLLERS 3.3V Output Voltage in Fixed Mode VOUT3 VIN = 6V to 26V, SKIP = VCC (Note 2) 3.280 3.33 3.380 V 5V Output Voltage in Fixed Mode VOUT5 VIN = 6V to 26V, SKIP = VCC (Note 2) 4.975 5.05 5.125 V Feedback Voltage in Adjustable Mode VFB_ VIN = 6V to 26V, FB3 or FB5, duty factor = 20% to 80% (Note 2) 0.990 1.005 1.020 V Output-Voltage Adjust Range Either SMPS 1.0 5.5 V FB3, FB5 Dual-Mode Threshold 0.1 0.2 V Feedback Input Leakage Current VFB3 = VFB5 = 1.1V -0.1 +0.1 µA DC Load Regulation Either SMPS, SKIP = VCC, ILOAD = 0 to full load -0.1 % |
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