S-8333CBDA-T8T1U

Overview

The S-8333CBDA-T8T1U is a CMOS step-up switching regulator from ABLIC Inc., designed for efficient voltage conversion in portable electronic applications. It operates within a supply voltage range of 1.8V to 6V and features an integrated synchronous rectifier for improved efficiency. The device supports a switching frequency range between 280kHz and 1.08MHz, allowing for optimization of external component size and performance. It delivers a maximum duty cycle of 89% and includes one output phase. Packaged in an 8-TSSOP format with a width of 4.40mm, it serves as a compact power management solution.

Feature Summary

• Integrates a synchronous rectifier to enhance conversion efficiency compared to non-synchronous designs.
• Features a wide input voltage operating range suitable for single-cell lithium battery applications.
• Offers adjustable switching frequency to balance between electromagnetic interference and component size.

Applications

• Portable consumer electronics requiring step-up voltage regulation
• Battery-powered devices utilizing single-cell lithium-ion or lithium-polymer sources
• Compact embedded systems needing efficient DC-DC conversion

Procurement Notes

Verify the specific suffix 'CBDA' against the official ABLIC datasheet to confirm output voltage settings and package variations. Ensure compatibility with the required switching frequency range and synchronous rectifier configuration for your circuit design. Confirm RoHS compliance status through the manufacturer's current documentation before finalizing procurement specifications.

Selection Notes

Select this component when a high-efficiency step-up regulator is needed for low-voltage inputs up to 6V. The synchronous rectifier feature makes it suitable for applications where power conservation is critical. Consider the 8-TSSOP package constraints for PCB layout and thermal management requirements relative to the expected load current.

Part Context

This part belongs to the S-8333 series of CMOS step-up switching regulators. The series is characterized by its ability to boost input voltages efficiently using internal oscillators and reference circuits. The T8T1U suffix typically indicates the tape and reel packaging format used for automated assembly processes.

FAQ

What type of rectification does the S-8333CBDA-T8T1U use?

It utilizes a synchronous rectifier architecture to improve efficiency during the step-up conversion process.

What is the maximum duty cycle supported by this regulator?

The device supports a maximum duty cycle of 89%.