ICL7660CUA+

Voltage Regulators - DC DC Switching Regulators Overview

The ICL7660CUA+ is a switched-capacitor voltage converter manufactured by Analog Devices Inc./Maxim Integrated. It operates within an input voltage range of 1.5 V to 10 V and delivers a maximum output current of 20 mA. The device supports boost and inverting topologies, providing fixed output configurations such as -Vin, nVin, or Vin/2. It functions at a switching frequency of 10 kHz and is housed in an 8-uMAX surface-mount package. The component is rated for an operating temperature range of 0°C to +70°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides charge pump DC-DC conversion without requiring external inductors
• Supports multiple output configurations including negative voltage inversion and voltage doubling
• Operates with low supply current to minimize power consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Providing negative bias voltages for operational amplifiers
• Generating negative power supplies for microprocessor systems
• Supplying power for data acquisition system components

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'CUA+' against official manufacturer documentation to confirm the commercial temperature grade and 8-uMAX package configuration. Ensure compatibility with required PCB footprint dimensions and thermal management strategies for surface-mount assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when inductor-free voltage inversion or boosting is required within a 1.5 V to 10 V input range. Consider the 20 mA output limit and 10 kHz switching frequency for applications where electromagnetic interference must be minimized. Verify that the commercial temperature range meets the environmental requirements of the target design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ICL7660 family of switched-capacitor voltage converters. It serves as a compact alternative to traditional inductive switching regulators, offering a solution for generating negative rails or doubled voltages from a single positive supply source in space-constrained electronic designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include ICL7660CSA+ and ICL7660ESA+. Cross-vendor alternatives such as LMC7660IM/NOPB are available but require verification of pinout and electrical parameter alignment.