S-1333D23-A4T2U3

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

The S-1333D23-A4T2U3 is a positive voltage regulator IC from the S-1333 Series, manufactured by ABLIC Inc. It features a 5.5 V maximum input voltage and provides a fixed 2.3 V output with ±1.0% accuracy. The device supports up to 300 mA output current and operates within a temperature range of −40°C to +85°C. It utilizes CMOS technology for low power consumption, drawing 25 μA typically during operation. The component is housed in an HSNT-4 (1010) package.

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

• Built-in overcurrent protection circuit limits excessive output current to protect the output transistor.
• Thermal shutdown circuit prevents damage caused by overheating by stopping regulation at high junction temperatures.
• ON/OFF control function allows the regulator to be started or stopped, significantly reducing current consumption when disabled.

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

• Constant-voltage power supply for portable communication devices
• Constant-voltage power supply for digital cameras and digital audio players
• Constant-voltage power supply for battery-powered devices

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

Verify the specific ordering suffix against official documentation to confirm the package type and environmental compliance status. Confirm that the selected variant matches the required output voltage step and ON/OFF logic configuration. Ensure compatibility with the intended application's thermal and electrical requirements before finalizing procurement.

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

Select this component based on the requirement for a fixed 2.3 V output voltage with high accuracy. Consider the HSNT-4 (1010) package for space-constrained designs requiring efficient heat dissipation. Evaluate the need for the D-type functionality, which lacks discharge shunt and pull-down resistor features, to ensure it aligns with system power management strategies.

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

This part belongs to the S-1333 Series of low dropout regulators developed using CMOS technology. The series is characterized by low current consumption, high ripple rejection, and low dropout voltage. The D-type designation indicates specific internal configurations regarding the ON/OFF pin behavior, distinguishing it from other variants in the family.

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

Consult official substitution lists for verified alternatives. Cross-reference pinouts and electrical characteristics carefully when considering generic replacements to ensure functional compatibility.