S-8333ACHB-T8T1G

Overview

The S-8333ACHB-T8T1G is a CMOS step-up switching regulator controller manufactured by ABLIC Inc. It operates within an input voltage range of 1.8 V to 6 V and utilizes pulse width modulation (PWM) control with an internal oscillation frequency up to 1.2 MHz. The device is housed in an 8-pin TSSOP package and includes built-in under-voltage lockout and short-circuit protection circuits.

Feature Summary

• Integrates PWM control circuitry for efficient voltage regulation
• Features low minimum operating voltage suitable for portable systems
• Includes timer latch short-circuit protection for enhanced reliability

Applications

• Power supply for LCD modules
• Portable electronic devices requiring low voltage operation
• General-purpose DC-DC step-up converter designs

Procurement Notes

Verify the specific suffix codes against official datasheets to confirm pinout and functional variations. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer, as availability may vary by region and production batch.

Selection Notes

Select this component when designing boost converters requiring high-frequency operation and low input voltage support. Ensure external components match the required oscillation frequency and duty cycle settings defined in the technical specifications for stable performance.

Part Context

This part belongs to the S-8333 series of high-frequency PWM control switching regulator controllers. The series is designed for applications demanding compact power solutions with minimal external component counts, leveraging integrated protection features to simplify system design.

Replacement Considerations

Consult official substitution lists for compatible parts within the S-8333 family. Verify pin compatibility and electrical parameters before replacing existing inventory.