S-8333AAIA-T8T1G

DC DC Switching Controllers Overview

The S-8333AAIA-T8T1G is a CMOS step-up switching regulator controller from the S-8333 series, manufactured by ABLIC Inc. It operates with a fixed internal oscillation frequency of 1.2 MHz and utilizes pulse width modulation (PWM) control. The device supports an input voltage range of 1.8 V to 6 V and features a maximum duty cycle of 0.89. Packaged in an 8-TSSOP format, it includes built-in under-voltage lockout and timer latch short-circuit protection circuits. The component is designed for portable systems requiring low-voltage operation.

DC DC Switching Controllers Feature Summary

• Integrates high-frequency PWM control with a fixed 1.2 MHz internal oscillator for compact external component sizing.
• Features low minimum operating voltage capability starting at 1.8 V, suitable for single-cell battery applications.
• Includes integrated safety mechanisms such as under-voltage lockout and timer latch short-circuit protection.

DC DC Switching Controllers Applications

• Power supply units for liquid crystal displays (LCDs)
• Portable electronic devices operating on low voltage sources
• General-purpose DC-DC step-up converter controllers

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'AAIA' against the official ABLIC datasheet to confirm the exact output configuration or pinout variant, as suffixes define functional differences within the S-8333 family. Confirm availability status directly with the manufacturer, as this part may be subject to special order requirements or production lifecycle changes. Ensure the 8-TSSOP package dimensions match the target PCB footprint constraints before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this controller when a fixed 1.2 MHz switching frequency is required to minimize external inductor and capacitor sizes. It is appropriate for designs needing protection against short circuits via a timer latch mechanism. Consider the 1.8 V minimum input voltage limit when choosing between this model and other regulators that support lower input thresholds. Verify that the 8-TSSOP package is compatible with the assembly process and thermal requirements of the application.

DC DC Switching Controllers Part Context

The S-8333AAIA-T8T1G belongs to the S-8333 series of step-up switching regulator controllers. This series is characterized by its high-frequency operation and low input voltage requirements. Similar parts in the series, such as the S-8333AACB and S-8333ABCC, share the same core architecture but differ in output configurations or specific electrical parameters defined by their unique suffixes. All variants utilize the 8-TSSOP package.

DC DC Switching Controllers Replacement Considerations

Direct substitutes within the same series include S-8333AACB-T8T1G and S-8333ABCC-T8T1G. These components share identical packaging and core control features. Verify if the specific output configuration associated with the 'AAIA' suffix matches the requirements of the replacement part. Cross-reference the official datasheet to ensure no functional discrepancies exist between the suffix designations.