AAT1218IWP-1.2-T1

Voltage Regulators - DC DC Switching Regulators Overview

The AAT1218IWP-1.2-T1 is a synchronous step-up DC-to-DC converter manufactured by Skyworks Solutions Inc., designed for high-current applications. It operates with an input voltage range from 500 mV to 5 V and delivers up to 1 A of output current. The device features a fixed switching frequency of 1.2 MHz, enabling the use of small external components. It provides adjustable output voltages ranging from 2.5 V to 5.5 V. The component is housed in a TDFN33-12 package and supports surface mount installation. It functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous boost topology ensures high conversion efficiency across varying load conditions.
• Ultra-low minimum input voltage capability allows operation from single-cell lithium-ion sources.
• Fixed 1.2 MHz switching frequency minimizes required passive component size.
• Integrated power switch eliminates need for external current-limiting components.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient voltage boosting from low-voltage batteries
• Single-cell lithium-ion battery powered systems
• Mobile communication modules needing stable higher voltage rails
• Embedded sensor interfaces powered by depleted battery states

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors due to End-of-Life status. Confirm package integrity and pin alignment against TDFN33-12 specifications. Check datasheet revisions for any design changes affecting electrical characteristics. Ensure storage conditions comply with moisture sensitivity levels prior to reflow soldering processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Evaluate thermal performance under maximum load conditions given the compact package. Compare efficiency curves against alternative regulators for specific input-output differentials. Consider input capacitor requirements to maintain stability during transient loads. Assess footprint compatibility with existing PCB layouts when replacing legacy components.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the AAT1218 family of synchronous boost converters. It shares architectural similarities with other Skyworks PMICs but offers distinct current handling capabilities. The IWP suffix indicates the specific TDFN33-12 package variant. The -T1 suffix denotes tape and reel packaging configuration for automated assembly.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the End-of-Life status, direct replacements may require functional equivalence analysis rather than pin-compatible swaps. Consult manufacturer obsolescence notices for potential recommended alternatives.