S-8338AAGC-P8T1G

Overview

The S-8338AAGC-P8T1G is a CMOS step-up switching regulator controller from the S-8338 series by ABLIC Inc. It operates within an input voltage range of 1.8 V to 6 V and supports a maximum oscillation frequency of 1.133 MHz via an external resistor on the ROSC pin. The device utilizes pulse width modulation (PWM) control with a maximum duty ratio of 88.5%. It features integrated under-voltage lockout (UVLO) and timer latch short-circuit protection circuits. The component is housed in an 8-SON package measuring 2.9 x 2.8 mm and is rated for an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates UVLO and timer latch short-circuit protection circuits for enhanced system reliability.
• Supports high-frequency operation up to 1.133 MHz, allowing for reduced passive component size.
• Features a low minimum operating voltage of 1.8 V suitable for portable systems.

Applications

• Power supply units for LCD displays
• Portable electronic devices requiring low voltage operation

Procurement Notes

Verify the specific suffix 'P8' corresponds to the 8-SON(A) package type during procurement. Confirm RoHS compliance status as indicated in the official datasheet documentation. Ensure ordering quantities align with manufacturer standard packaging requirements. Cross-reference the full part number against the latest revision history to confirm material composition changes.

Selection Notes

Select this component when designing boost converters requiring a wide input voltage range starting at 1.8 V. The fixed internal architecture simplifies design compared to adjustable variants. Consider the 8-SON footprint constraints for PCB layout. Verify that the required output voltage can be achieved with the available duty cycle limits.

Part Context

This part belongs to the S-8337/8338 series of step-up switching regulators. The S-8338 variant specifically allows the PWM duty ratio to be controlled via an external resistor connected to the RDuty pin, offering flexibility in output voltage regulation. It shares core architectural similarities with the S-8337 but differs in duty cycle control mechanisms.

Replacement Considerations

The S-8338ABEC-T8T1G is a documented alternative within the same series. Verify package compatibility and duty cycle control specifications before substitution.