ICL7662EPA+

Voltage Regulators - DC DC Switching Regulators Overview

The ICL7662EPA+ is a CMOS voltage converter manufactured by Analog Devices Inc. under the Maxim Integrated brand, designed for inverting and boosting applications. It operates within an input voltage range of 4.5 V to 20 V, delivering a negative output voltage from -4.5 V to -20 V with a maximum output current of 20 mA. The device features a fixed switching frequency of 10 kHz and a typical static current of 600 uA. It is housed in an 8-pin PDIP package and supports surface mount installation styles. The component functions reliably across a temperature range of -40°C to +85°C, serving as a compact solution for generating negative supply rails in single-supply systems.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides efficient charge-pump voltage conversion for inverting or boosting DC power supplies
• Operates on a single positive supply to generate stable negative output voltages
• Integrates internal oscillator for consistent switching frequency without external timing components

Voltage Regulators - DC DC Switching Regulators Applications

• Generating negative bias voltages for operational amplifiers in single-supply circuits
• Powering RS-232 interface transceivers requiring dual polarity supplies
• Providing offset voltages for analog signal conditioning and sensor interfaces

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'EPA+' against official Analog Devices documentation to confirm the PDIP-8 package configuration and commercial grade temperature rating. Ensure compatibility with existing PCB footprints for through-hole mounting. Cross-reference the manufacturer part number to distinguish between standard and extended temperature variants available within the ICL7662 series.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a simple, low-cost method is required to create a negative rail from a positive source. It is suitable for applications with moderate current demands up to 20 mA. Consider the 10 kHz switching frequency for EMI sensitivity and ensure adequate decoupling capacitors are placed close to the device pins to maintain stability and minimize noise coupling into sensitive analog sections.

Voltage Regulators - DC DC Switching Regulators Part Context

The ICL7662 belongs to the classic MAX/MAXIM line of charge pump voltage converters, widely utilized for basic power management tasks. This specific part represents the PDIP variant of the family, offering a robust through-hole option compared to surface-mount alternatives like the SOIC version. It complements other Maxim integrated circuits by providing essential auxiliary power rails for mixed-signal designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers include ICL7662CPA+ and ICL7662CBA+. Verify pinout compatibility and thermal characteristics when transitioning between these variants.