S-8352C56UA-K7PT2G

Overview

The S-8352C56UA-K7PT2G is a positive output step-up DC-DC controller IC manufactured by ABLIC Inc. It operates in a Boost topology with a fixed switching frequency of 100 kHz and a maximum duty cycle of 80%. The device supports an input voltage range from 0.9 V to 10 V and utilizes PFM modulation. It features a low quiescent current of 23.2 uA and does not include synchronous rectification. The component is housed in an SOT-89-3 surface-mount package and is rated for an operating temperature range of -40°C to +85°C.

Feature Summary

• Boost topology with fixed 100 kHz switching frequency
• Low quiescent current consumption of 23.2 uA
• Wide input voltage support from 0.9 V to 10 V

Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems utilizing single-cell lithium-ion or polymer sources
• General-purpose step-up voltage regulation circuits

Procurement Notes

Verify the specific suffix K7PT2G against official ABLIC documentation to confirm packaging and tape-and-reel specifications. Ensure compatibility with the target PCB footprint for the SOT-89-3 package. Confirm that the 100 kHz switching frequency aligns with system noise requirements. Validate thermal performance within the specified -40°C to +85°C operational range for the intended application environment.

Selection Notes

Select this component when a non-synchronous boost regulator with a wide input voltage range is required. The 100 kHz frequency offers a balance between component size and efficiency. Consider the 23.2 uA quiescent current for battery life optimization. Verify that the external inductor and capacitor values meet the stability requirements for the chosen input and output voltages.

Part Context

This part belongs to the ABLIC S-8352 series of switching regulators. It is designed as a cost-effective solution for step-up applications where synchronous rectification is not mandatory. The series typically targets portable electronics and IoT devices, offering various output voltage options through external resistor networks while maintaining a compact form factor.

Replacement Considerations

Direct substitutes may include other ABLIC S-8352 variants with different output voltage settings but identical pinouts and electrical characteristics. Cross-reference with other manufacturers' 100 kHz boost controllers in SOT-89-3 packages, ensuring input voltage range and quiescent current specifications are compatible.