S-1333D15-A4T2U3

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

The S-1333D15-A4T2U3 is a positive voltage regulator IC from the S-1333 Series, manufactured by ABLIC Inc. It features a fixed output voltage of 1.5 V with an accuracy of ±1.0%. The device supports an input voltage range of 1.5 V to 5.5 V and delivers up to 300 mA output current. Key electrical parameters include a typical dropout voltage of 0.47 V at 100 mA, operation current of 25 μA typ., and ripple rejection of 70 dB typ. It utilizes HSNT-4 (1010) packaging.

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 during operation.
• ON/OFF pin controls power consumption by stopping internal circuits when set to OFF level.
• Compatible with ceramic capacitors of 1.0 μF or more for both input and output stabilization.

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 product type D configuration regarding discharge shunt and pull-down resistor availability against system requirements. Confirm package dimensions match the HSNT-4 (1010) land pattern specifications. Ensure environmental compliance documentation aligns with project standards. Validate operating temperature range suitability for the intended application environment before finalizing procurement.

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

Select this component for applications requiring low quiescent current and high ripple rejection within a compact surface-mount footprint. Consider the thermal dissipation characteristics of the HSNT-4 (1010) package when designing for higher load currents. Verify that the ON/OFF logic active high requirement matches the control signal interface. Evaluate external capacitor ESR to prevent oscillation under varying load conditions.

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

This part belongs to the S-1333 Series of CMOS voltage regulators designed for low power consumption and high precision. The series offers selectable output voltages in 0.05 V steps ranging from 1.0 V to 3.5 V. Product types A through D define the availability of internal discharge shunt and pull-down functions, allowing customization for specific power management strategies.

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

Direct substitutes within the same series include S-1333D15-A4T1U3 (HSNT-4 0808 package) or S-1333D15-M5T1U3 (SOT-23-5 package). Cross-series replacements require verification of pinout compatibility, output voltage accuracy, and package thermal performance.