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The MAX660CSA+T is a CMOS monolithic charge-pump voltage inverter manufactured by Maxim Integrated. This component efficiently converts a +1.5V to +5.5V input voltage to a corresponding -1.5V to -5.5V output voltage. It utilizes only two low-cost capacitors, eliminating the need for inductors and their associated costs, size, and EMI.
Key features include a high conversion efficiency of 88% typical at a 100mA load, a low operating current of 120µA typical, and a low output loss of 0.65V typical at a 100mA load. The output impedance is guaranteed to be less than 15Ω for specific capacitor values. The device offers selectable oscillator frequencies of 10kHz or 80kHz typical, allowing optimization of capacitor size and quiescent current.
This voltage converter is suitable for battery-powered and board-level voltage conversion applications. It can also double the input supply voltage, providing up to +9.35V at 100mA from a +5V input. The MAX660CSA+T is available in an 8-pin Plastic DIP package and operates within a commercial temperature range of 0°C to +70°C.
Applications include laptop computers, medical instruments, interface power supplies, hand-held instruments, and operational-amplifier power supplies.
The input voltage range for the MAX660CSA+T is 1.5V to 5.5V.
The MAX660CSA+T provides an output voltage range of -1.5V to -5.5V.
The MAX660CSA+T can deliver a maximum output current of 100mA.
The typical operating current for the MAX660CSA+T is 120µA.
The typical conversion efficiency at a 100mA load is 88%.
The MAX660CSA+T operates within a temperature range of 0°C to +70°C.
The MAX660CSA+T is available in an 8-Pin DIP package.