ADP1111AN-12

Voltage Regulators - DC DC Switching Regulators Overview

The ADP1111AN-12 is a micropower step-up/step-down switching regulator manufactured by Analog Devices Inc. It operates from an input voltage range of 2 V to 30 V, supporting both boost and buck topologies. The device features a fixed 12 V output with a maximum output current of 200 mA. It utilizes a 72 kHz switching frequency and includes an internal 1 A power switch. Key electrical characteristics include a low static current of 300 µA and operation within a temperature range of -40°C to +85°C. The component is housed in an 8-pin DIP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports step-up, step-down, and inverting configurations using minimal external components
• Integrates a user-adjustable current limit and a low battery detector for enhanced system protection
• Operates efficiently at a 72 kHz switching frequency utilizing surface mount inductors

Voltage Regulators - DC DC Switching Regulators Applications

• 9 V to 5 V or 12 V to 5 V step-down converters
• Battery backup supplies and uninterruptible power systems
• Portable instruments and remote controls
• Flash memory VPP generators

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'AN' against official Analog Devices documentation to confirm package type and temperature grade accuracy. Ensure compatibility with existing PCB footprints for 8-pin DIP configurations. Cross-reference the fixed 12 V output requirement with system load specifications to validate performance under varying input conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring flexible input voltage ranges from 2 V to 30 V. It is suitable for applications needing fixed 12 V outputs with moderate current demands up to 200 mA. Consider its micropower characteristics for battery-operated devices where low quiescent current is critical for extending operational life.

Voltage Regulators - DC DC Switching Regulators Part Context

The ADP1111 series comprises micropower step-up/step-down switching regulators designed for versatile power management tasks. This family supports adjustable and fixed output voltages, including 3.3 V, 5 V, and 12 V variants. The ADP1111AN-12 specifically provides a fixed 12 V output, catering to applications requiring stable voltage regulation across wide input variations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check Analog Devices datasheets for equivalent part numbers within the ADP1111 family that match the required output voltage and package style. Verify pinout compatibility and thermal performance before substituting with other manufacturers' step-up/step-down regulators.