S-8333ACEB-T8T1G

Overview

The S-8333ACEB-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. It is housed in an 8-pin TSSOP package and includes protection circuits such as under-voltage lockout and short-circuit protection.

Feature Summary

• Integrates PWM control logic with adjustable oscillation frequency for flexible power supply design
• Supports low-voltage operation starting at 1.8 V, suitable for battery-powered applications
• Includes built-in under-voltage lockout and timer latch short-circuit protection mechanisms

Applications

• Power supply units for liquid crystal displays
• Portable electronic systems requiring low voltage operation
• Battery-powered devices utilizing step-up conversion topologies

Procurement Notes

Verify the specific suffix against official ABLIC documentation to confirm pinout compatibility and electrical characteristics. Confirm RoHS compliance status through current manufacturer declarations. Ensure the ordering information matches the exact component revision required for your circuit design before finalizing procurement.

Selection Notes

Select this component when designing boost converters that require high-frequency operation up to 1.2 MHz. It is appropriate for applications needing a wide input voltage range down to 1.8 V. Consider the TSSOP-8 package constraints and external component requirements for setting the switching frequency and duty cycle during the schematic phase.

Part Context

This part belongs to the S-8333 series of step-up switching regulators. It functions as a controller rather than a complete integrated switcher, requiring external power switches and passive components. The series is designed for portable electronics where space and efficiency are critical factors.

Replacement Considerations

Consult the official ABLIC datasheet for direct pin-to-pin replacements within the S-8333 family. Verify functional equivalence for any cross-manufacturer substitutes regarding operating voltage and switching frequency limits.