S-8333AAIC-T8T1G

Overview

The S-8333AAIC-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. The device features an internal oscillator with a frequency settable up to 1.2 MHz via an external resistor connected to the ROSC pin. It is housed in an 8-pin TSSOP package.

Feature Summary

• Integrates a reference voltage circuit, error amplifier, and PWM controller for precise regulation.
• Includes under-voltage lockout and timer latch short-circuit protection circuits.
• Allows adjustment of maximum duty ratio through an external resistor on the RDuty pin.

Applications

• Power supply for LCD modules
• Portable electronic systems operating on low voltage

Procurement Notes

Verify the specific suffix against official documentation to confirm exact electrical characteristics and package variations. Confirm RoHS compliance status and lead times directly with the manufacturer or authorized distributors before finalizing procurement plans.

Selection Notes

Select this component when designing boost converter circuits requiring low minimum operating voltages. Ensure the external components support the desired oscillation frequency and duty ratio settings. Verify that the thermal performance of the TSSOP-8 package meets the application's requirements.

Part Context

This part belongs to the S-8333 Series of high-frequency PWM control switching regulator controllers. The series is designed for applications requiring efficient power conversion from low voltage sources, utilizing CMOS technology to minimize power consumption while maintaining stable output regulation.

Replacement Considerations

The S-8337ACFB-P8T1G serves as a functional substitute within the same product family, offering similar step-up capabilities and PWM control architecture in alternative packaging options.