ICL7660CPA+

Voltage Regulators - DC DC Switching Regulators Overview

The ICL7660CPA+ 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 provides a single output capable of delivering up to 20 mA. The device supports both inverting and boost topologies, generating output voltages from -10 V to -1.5 V or 3 V to 20 V. It functions at a switching frequency of 10 kHz and is housed in an 8-PDIP package. The component is rated for operation between 0°C and +70°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Capable of generating negative supply rails from positive inputs via inverting topology
• Supports voltage boosting applications without requiring external inductors
• Integrates oscillator circuitry for self-contained switched-capacitor operation

Voltage Regulators - DC DC Switching Regulators Applications

• Providing negative power supplies for dynamic RAM circuits
• Generating bias voltages for microprocessor systems
• Supplying dual polarity rails for data acquisition systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against current manufacturer documentation, as legacy part numbers may have been superseded. Confirm RoHS compliance status and lead-free manufacturing details directly with the supplier, as historical production runs vary. Ensure the package type matches the target PCB footprint requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing low-cost DC-DC conversion circuits that do not require magnetic components. It is suitable for applications where moderate output currents around 20 mA are sufficient. Consider the 10 kHz switching frequency regarding electromagnetic interference constraints and external capacitor selection for optimal ripple performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This integrated circuit belongs to the ICL7660 family of charge pump voltage converters. These devices utilize capacitive energy transfer to modify voltage levels efficiently. The family is widely recognized for simplifying power supply designs in portable and battery-operated electronics by eliminating the need for bulky inductors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include ICL7660ESA+, ICL7660ISA+, LMC7660IM/NOPB, and TC7660EOA.