S-8333ACGB-T8T1G

Overview

The S-8333ACGB-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 1.08 MHz via an external resistor connected to the ROSC pin. It is housed in an 8-pin TSSOP package.

Feature Summary

• Integrates reference voltage, oscillator, error amplifier, and PWM controller circuits
• Includes under-voltage lockout and timer latch short-circuit protection
• Allows adjustable maximum duty ratio via external resistor
• Features soft-start function at power application

Applications

• Power supply for LCD modules
• Portable systems operating on low voltage
• General-purpose DC-DC step-up conversion

Procurement Notes

Verify the specific suffix against official datasheets to confirm exact electrical characteristics and availability status. Confirm RoHS compliance and lead-free packaging details directly with the manufacturer or authorized distributors before finalizing procurement orders.

Selection Notes

Select this component when designing low-voltage portable applications requiring a compact solution. Ensure the external components support the desired oscillation frequency and duty ratio settings. Verify that the required output voltage and current capabilities align with the controller's drive specifications.

Part Context

This part belongs to the S-8333 Series of high-frequency PWM control switching regulators. The series is designed for efficiency in small form factors, utilizing CMOS technology to minimize power consumption while providing robust protection features suitable for battery-powered devices.

Replacement Considerations

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