ICL7660AMJA/883B

Voltage Regulators - DC DC Switching Regulators Overview

The ICL7660AMJA/883B is a military-grade switched-capacitor voltage converter manufactured by Analog Devices Inc./Maxim Integrated. It operates within an input voltage range of 1.5V to 10V and provides a maximum output current of 20mA. The device utilizes a charge pump topology with a switching frequency of 10kHz to generate positive or negative fixed outputs. It is housed in an 8-CDIP package and supports an extended operating temperature range from -55°C to +125°C, ensuring reliability in demanding environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Military-grade radiation-hardened construction for high-reliability applications
• Capable of generating both positive and negative voltage outputs from a single supply
• Inductor-free design simplifies circuit layout and reduces component count

Voltage Regulators - DC DC Switching Regulators Applications

• Negative power supplies for dynamic RAM modules
• Powering instrumentation and data acquisition systems
• RS232 interface voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MJA/883B' confirms Mil-Spec qualification and radiation hardness. Confirm RoHS status as military parts may differ from commercial standards. Ensure the supplier provides traceability documentation required for defense contracts. Check for lead time constraints due to limited production runs typical of specialized military components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when radiation tolerance and wide temperature operation are mandatory. Compare against commercial ICL7660 variants if environmental conditions allow. Verify that the 20mA output current meets the load requirements. Consider the CDIP package size for board space constraints in aerospace enclosures.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ICL7660 family of CMOS voltage converters. It shares functional similarities with the ICL7660ESA but differs in packaging and qualification level. The AMJA/883B designation indicates a ceramic dual in-line package suitable for harsh environments, distinguishing it from standard plastic SOIC versions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other military-qualified versions within the ICL7660 series. Commercial equivalents like the LMC7660IM/NOPB lack radiation hardness and extended temperature ratings. Verify pin compatibility before replacing with non-military parts.