ADP1073AN-12

Overview

The ADP1073AN-12 is a micropower DC-DC converter from Analog Devices, designed for step-up or step-down operation with an input voltage range of 1.0 V to 30 V. It features a fixed 12 V output and supports up to 1 A load current via an internal power switch. The device operates with a ground current of approximately 100 µA and includes on-chip user-adjustable current limiting and a low battery detector. Packaged in an 8-Lead DIP configuration, it requires very few external components.

Feature Summary

• Operates in both step-up and step-down modes from a single supply source
• Includes an internal 1 A power switch for simplified design
• Features on-chip user-adjustable current limit protection
• Integrates a low battery detector function

Applications

• Single-cell to 5 V converters
• Laptop and palmtop computers
• Battery backup supplies
• Cellular telephones
• Portable instruments

Procurement Notes

Verify the specific suffix 'AN' corresponds to the 8-Lead DIP package variant when sourcing. Confirm that the fixed 12 V output version meets the target application requirements. Check for RoHS compliance status as manufacturing processes may vary by production batch. Ensure the supplier provides valid traceability documentation for quality assurance purposes.

Selection Notes

Select this component when a wide input voltage range including single-cell batteries is required. The fixed 12 V output eliminates the need for external feedback resistors compared to adjustable versions. Consider the DIP package for through-hole prototyping or high-reliability manual assembly environments where surface mount options are unsuitable.

Part Context

This part belongs to the ADP1073 family of micropower switching regulators. It shares core architecture with other variants offering different fixed outputs like 5 V or adjustable settings. The family is characterized by low quiescent current and minimal external component counts, targeting portable electronics and battery-powered instrumentation applications.

Replacement Considerations

Direct substitutes include other ADP1073 variants with different output voltages if system flexibility allows. Cross-family replacements should match the 1 A switch current capability and 30 V maximum input rating. Verify pin compatibility before replacing with similar step-up/step-down controllers from other manufacturers.