S-8333AACB-T8T1G

DC DC Switching Controllers Overview

The S-8333AACB-T8T1G is a CMOS step-up switching regulator controller manufactured by ABLIC Inc. It operates within an input voltage range of 1.8V to 6V and utilizes PWM control with a switch frequency between 280kHz and 1.08MHz. The device features a maximum duty ratio of 0.89 and lacks synchronous rectification or clock synchronization capabilities. Designed for surface-mount installation, it is housed in an 8-TSSOP package measuring 4.40mm in width. The component supports positive output configurations and includes current limit and frequency control characteristics.

DC DC Switching Controllers Feature Summary

• Integrates reference voltage, oscillator, error amplifier, and PWM controller circuits
• Features under-voltage lockout and timer latch short-circuit protection
• Allows external adjustment of oscillation frequency via the ROSC pin
• Supports phase compensation and gain value tuning through external components

DC DC Switching Controllers Applications

• Power supply systems for LCD displays
• Portable electronic devices operating on low voltage sources
• General-purpose DC-DC boost converter designs

DC DC Switching Controllers Procurement Notes

Verify RoHS compliance status and REACH restrictions before integration. Confirm the specific suffix designation matches the required electrical parameters. Ensure the TSSOP-8 footprint aligns with the target PCB layout. Check for any product change notifications affecting material composition or performance specifications.

DC DC Switching Controllers Selection Notes

Select this controller when designing high-frequency boost converters requiring adjustable duty cycles. The wide input voltage range suits applications powered by single-cell lithium batteries. External component selection determines the final switching frequency and stability. Consider thermal management requirements associated with the TSSOP-8 package.

DC DC Switching Controllers Part Context

This component belongs to the S-8333 series of high-frequency PWM control switching regulators. The series is characterized by its ability to operate at frequencies up to approximately 1.2MHz. It serves as a core controller element in power management integrated circuits designed for portable electronics.

DC DC Switching Controllers Replacement Considerations

Consult official substitution lists for compatible controllers within the S-8333 family. Verify pin compatibility and electrical parameter alignment for direct replacements.