S-8338ACBC-P8T1G

Overview

The S-8338ACBC-P8T1G is a CMOS step-up switching regulator controller from the S-8338 series by ABLIC Inc. It operates with a minimum input voltage of 1.8 V and supports an internal oscillation frequency up to 1.133 MHz via an external resistor on the ROSC pin. The device utilizes pulse width modulation (PWM) control and features an under-voltage lockout circuit alongside a timer latch short-circuit protection mechanism. It is housed in an 8-pin SON package.

Feature Summary

• Integrates reference voltage, oscillator, error amplifier, and PWM controller circuits
• Includes under-voltage lockout and timer latch short-circuit protection
• Supports adjustable internal oscillation frequency via external resistor

Applications

• Power supply for LCD modules
• Portable systems requiring low voltage operation
• Step-up DC-DC converter designs

Procurement Notes

Verify the specific suffix P8T1G corresponds to the 8-SON package variant when sourcing. Confirm RoHS compliance status through official documentation. Ensure ordering quantities align with manufacturer standard packaging requirements. Cross-reference the full part number against current datasheets to validate availability and design-in status.

Selection Notes

Select this component for applications requiring high-frequency step-up regulation with low start-up voltage. The S-8338 series offers flexibility through adjustable oscillation frequencies. Consider the thermal performance of the SON package for compact designs. Verify that the required output voltage range matches the boost topology capabilities.

Part Context

This part belongs to the S-8337/8338 series of high-frequency PWM control switching regulator controllers. The S-8338 variant specifically provides duty cycle control options distinct from the S-8337 series. These ICs are designed for efficient power management in battery-operated portable electronics.

Replacement Considerations

S-8338ABEC-T8T1G

FAQ

How is the oscillation frequency adjusted?

The internal oscillation frequency can be set up to 1.133 MHz by connecting a resistor to the ROSC pin.

What protection features are included?

The device includes an under-voltage lockout circuit (UVLO) and a timer latch short-circuit protection circuit.