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MAX1627 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX1627 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 16 page 5V/3.3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (V+ = +3V to +16.5V, SHDN = 3/5 = 0V, TA = 0°C to +85°C, unless otherwise noted.) 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. Supply Voltage, V+ to GND.......................................-0.3V, +17V OUT, FB, 3/5, SHDN, REF, CS, EXT to GND ...-0.3V, (V+ + 0.3V) Maximum Current at REF (IREF) ..........................................15mA Maximum Current at EXT (IEXT) ..........................................50mA Continuous Power Dissipation (TA = +70°C) SO (derate 5.88mW/°C above +70°C) ..........................471mW Operating Temperature Range MAX1626ESA/MAX1627ESA ............................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10sec) .............................+300°C 0µA ≤ IREF ≤ 100µA ILOAD = 0µA 30mA < ILOAD < 2.0A, V+ = 8V V+ = SHDN = 16.5V (shutdown) 6.0V < V+ < 12.0V, ILOAD = 1A Operating, no load Output in regulation Output forced to 0V V+ = 5V 3/5 = 0V or V+ MAX1627 Circuit of Figure 1, 3/5 = V+ (Note 1) MAX1626, 3/5 = V+, output forced to 5V SHDN = 0V or V+ MAX1627, includes hysteresis CONDITIONS mV 410 REF Load Regulation V 1.27 1.30 1.33 VREF Reference Voltage mV/A 15 Load Regulation mV/V 5 Line Regulation % 100 EXT Duty-Cycle Limit µs 1.5 2.0 2.5 810 12 Minimum EXT Off Time Ω 10 EXT Resistance µA ±1 3/5 Leakage Current V 0.5 3/5 Input Voltage Low V V+ - 0.5 3/5 Input Voltage High µA ±1 SHDN Input Current V 0.4 SHDN Input Voltage Low µA 1 I+ Supply Current into V+ 70 90 V 3.0 16.5 V+ Input Voltage Range V 1.6 SHDN Input Voltage High mV 85 100 115 VCS CS Threshold Voltage µA 010 CS Input Current nA 035 FB Leakage Current V 2.7 2.8 Undervoltage Lockout 4.85 5.00 5.15 µA 24 37 50 IOUT OUT Input Current V 1.27 1.30 1.33 FB Threshold Voltage UNITS MIN TYP MAX SYMBOL PARAMETER V+ = 3V to 16.5V, ILOAD = 0µA µV/V 10 100 REF Line Regulation Circuit of Figure 1, 3/5 = 0V (Note 1) V 3.20 3.30 3.40 VOUT Output Voltage |
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Similar Description - MAX1627 |
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