| applications.' 600mV Voltage Drop at 50mA LoadA frequency-control (FC) pin provides three switching-' 12Ω Output Resistancefrequencies to optimize capacitor size and quiescentcurrent and to prevent interference with sensitive cir-cuitry. Each device has a unique set of three available———–frequencies. A shutdown (SHDN) pin reduces current ______________Ordering Informationconsumption to less than 1µA. The MAX860/MAX861PART TEMP. RANGE PIN-PACKAGEare suitable for use in ELECTRICAL CHARACTERISTICS– ———–(Typical Operating Circuit (Inverter), V = +5V, SHDN= V , FC = LV = GND, C1 = C2 = 10µF (Note 2), T = T to T , unlessDD DD A MIN MAXotherwise noted. Typical values are at T = +25°C.)APARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITSInverter, LV = GND 1.5 5.5Supply Voltage V R = 1kΩ VDD LDoubler, LV = OUT 2.5 5.5FC = V = 5V 0.2 0.3DDFC = V = 3V 0.07DDMAX860I/EFC = GND 0.6 1.0FC = OUT 1.4 2.5FC = V 0.4DDMAX860M FC = GND 1.3No-Load Supply Current I FC = OUT 3.3 mADDFC = V 0.3 0.4DDMAX861I/E FC = GND 1.1 2.0FC = OUT 2.5 5.0FC = V 0.5DDMAX861M FC = GND 2.6FC = OUT 6.5V = 5V, V more negative than -3.75V 50 100DD OUTOutput Current I mAOUTV = 3V, V more negative than -2.5V 10 30DD OUTI = 50mA 12 25Output Resistance LR ΩOUT(Note 3)I = 10mA, V = 2V 20 35L DD2 _______MAX860/MAX861MAX860/MAX86150mA, Frequency-Selectable,Switched-Capacitor Voltage ConvertersApplications†MAX860MJA -55°C to +125°C 8 CERDIPPortable ComputersMAX861ISA -25°C to +85°C 8 SOMedical InstrumentsMAX861IUA -25°C to +85°C 8 µMAXInterface Power SuppliesMAX861C/D 0°C to +70°C Dice*Hand-Held InstrumentsMAX861ESA -40°C to +85°C 8 SOOperational-Amplifier Power Supplies†MAX861MJA -55°C to +125°C 8 CERDIP* Dice are tested at T = +25°C, DC parameters only.__________Typical Operating Circuit A† Contact factory for availability.INPUT1 8MAX860FC VDD VOLTAGEMAX861+1.5V TO +5.5V2 7C1+ SHDN__________________Pin Configuration3 6GND LVINVERTEDNEGATIVEC1 10μF 4 5C1- OUTOUTPUTTOP VIEW10μFC2VOLTAGE INVERTERFC 1 8 VDDINPUTSHDNC1+ 27VOLTAGE DOUBLED1 8MAX860MAX860+2.5V TO +5.5V FC V POSITIVEDDLVGNDMAX861 3 6MAX861OUTPUT2 7C1+ SHDN10μFC1- OUT4 53 6C2GND LVC1 10μF 4 5SO/μMAXC1- OUTPOSITIVE VOLTAGE DOUBLER____ Maxim Integrated Products 1For & the latest literature: http://, or phone 50mA, Frequency-Selectable,Switched-Capacitor Voltage ConvertersABSOLUTE MAXIMUM RATINGSSupply Voltage (V to GND or GND to OUT).+6.0V Operating Temperature RangesDD– ———–Input Voltage Range (LV, FC, SHDN ) .(OUT - 0.3V) MAX86_I_A -25°C to +85°Cto (V + 0.3V) MAX86_ESA........-40°C to +85°CDDContinuous Output Current (OUT, V ) ..60mA MAX86_MJA .....-55°C to +125°CDDOutput Short-Circuit to GND (Note 1)........1sec Storage Temperature Range ..-65°C to +160°CContinuous Power Dissipation (T = +70°C) Lead Temperature (soldering, 10sec) ..+300°CASO (derate 5.88mW/°C above +70°C).......471mWµMAX (derate 4.10mW/°C above +70°C) ..330mWCERDIP (derate 8.00mW/°C above +70°C)........640mWNote 1: OUT may be shorted to GND for 1sec without damage, but shorting OUT to V may damage the device and should beDDavoided. Also, for temperatures above +85°C, OUT must not be shorted to GND or V , even instantaneously, or deviceDDdamage may result.Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functionaloperation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure toabsolute maximum rating conditions for extended periods may affect device reliability. |
