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MAX871EUK Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX871EUK Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 8 page Switched-Capacitor Voltage Inverters 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VIN = +5V, C1 = C2 = 1µF (MAX870), C1 = C2 = 0.33µF (MAX871), TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) ELECTRICAL CHARACTERISTICS (VIN = +5V, C1 = C2 = 1µF (MAX870), C1 = C2 = 0.33µF (MAX871), TA = -40°C to +85°C, unless otherwise noted.) (Note 2) 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: Capacitor contribution is approximately 20% of the output impedance [ESR + 1 / (pump frequency x capacitance)]. Note 2: All -40°C to +85°C specifications are guaranteed by design. IN to GND ..............................................................+6.0V to -0.3V OUT to GND ..........................................................-6.0V to +0.3V C1+ ..............................................................(VIN + 0.3V) to -0.3V C1-............................................................(VOUT - 0.3V) to +0.3V OUT Output Current ...........................................................50mA OUT Short Circuit to GND .............................................Indefinite Continuous Power Dissipation (TA = +70°C) SOT23-5 (derate 7.1mW/°C above +70°C)...................571mW Operating Temperature Range MAX870EUK/MAX871EUK ...............................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10sec) .............................+300°C MAX871 MAX870 RLOAD = 500kΩ, TA =+25°C RLOAD = 10kΩ RLOAD = 10kΩ TA = +25°C CONDITIONS mA 2.7 3.8 0.7 1.0 Supply Current 96 99 % 90 Power Efficiency kHz 325 500 675 1.4 1.0 V 1.5 Minimum Supply Voltage V 5.5 Maximum Supply Voltage 81 125 169 UNITS MIN TYP MAX PARAMETER TA = +25°C TA = 0°C to + 85°C 25 MAX871 MAX870 IOUT = 5mA MAX871 RLOAD = 10kΩ MAX870 CONDITIONS mA 4.4 1.3 Supply Current Ω 65 Output Resistance kHz 225 775 Oscillator Frequency V 1.6 Minimum Supply-Voltage Range 56 194 UNITS MIN TYP MAX PARAMETER TA = +25°C Oscillator Frequency C1 = C2 = 0.47µF IOUT = 5mA C1 = C2 = 1µF Ω Output Resistance (Note 1) 20 50 MAX870 TA = +25°C C1 = C2 = 0.33µF 20 50 C1 = C2 = 0.22µF 25 MAX871 C1 = C2 = 0.1µF 35 65 TA = 0°C to + 85°C 75 MAX870 MAX871 MAX870 MAX871 RLOAD = ∞, TA =+25°C % 98 99.3 Voltage Conversion Efficiency MAX870 MAX871 RLOAD = ∞ % 97 Voltage Conversion Efficiency 95 MAX870 MAX871 RLOAD = 10kΩ V 5.5 Maximum Supply-Voltage Range |
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