S-817B53AY-B2-U

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The S-817B53AY-B2-U is a fixed positive linear low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a nominal output voltage of 5.3 V with an output current capability of 75 mA. The device features a typical dropout voltage of 160 mV at 10 mA and operates within an input voltage range up to 10 V. It incorporates short-circuit protection and requires only a 0.1 μF ceramic capacitor for stability. The component is housed in a TO-92-3 package and supports through-hole mounting.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Fixed positive output voltage regulation
• Integrated short-circuit protection circuitry
• Low quiescent current consumption
• Compatible with standard ceramic output capacitors

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Power sources for battery-powered devices
• Power supplies for personal communication equipment
• Voltage regulation for home electric and electronic appliances

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific output voltage tolerance and maximum operating temperature against the official datasheet before integration. Confirm that the TO-92-3 through-hole package aligns with the target PCB footprint and assembly requirements. Ensure input voltage conditions remain within the specified 10 V maximum limit during operation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a stable 5.3 V rail is required from a higher input source with moderate current demands. The TO-92-3 package suits prototyping or applications where surface-mount space is not constrained. Verify thermal dissipation capabilities, as power loss depends on the difference between input and output voltages multiplied by the load current.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the S-817 series of LDO regulators from ABLIC, designed for low-power applications. The series offers various fixed output voltages selectable in 0.1 V steps. The 'B' suffix typically denotes specific output voltage codes within the family, while 'AY' indicates the package and marking configuration.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include other S-817 series variants with compatible output voltages and packages, such as S-817B50AY-B2-U or S-817B40AY-B2-U, provided the voltage requirement matches. Cross-referencing pinouts and electrical characteristics with the original datasheet is essential.