S-1323B53PF-N9MTFU

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

The S-1323B53PF-N9MTFU is a CMOS voltage regulator from the S-1323 Series, manufactured by ABLIC Inc. It provides a fixed output voltage of 5.3 V with an accuracy of ±1.0%. The device operates within an input voltage range of 2.0 V to 6.5 V and supports an output current of up to 150 mA. Key electrical characteristics include a typical ripple rejection of 70 dB at 1.0 kHz and a dropout voltage of 0.50 V (typical) at 150 mA. Current consumption is 70 µA during operation and 0.1 µA in power-off mode. It functions within an ambient temperature range of -40°C to +85°C.

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

• Built-in ON/OFF circuit for significant current reduction during standby
• Low dropout voltage enabled by low on-resistance P-channel MOSFET output transistor
• High ripple rejection capability suitable for noise-sensitive applications
• Compatible with small ceramic capacitors for stable phase compensation

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

• Constant-voltage power supply for battery-powered devices
• Power regulation for personal communication equipment
• Voltage source for home electric appliances
• Power management for cellular phone circuits

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance and environmental codes match project requirements. Check datasheet revision status as this series is marked Not Recommended for New Design. Ensure ordering suffixes align with specific package and logic configurations.

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

Select this part for applications requiring a fixed 5.3 V rail with high precision. Verify that the input voltage remains within the 2.0 V to 6.5 V range under all operating conditions. Consider thermal dissipation limits when designing for maximum load currents. Ensure external capacitor ESR is below 10 Ω to prevent oscillation.

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

This component belongs to the S-1323 Series of high ripple-rejection CMOS voltage regulators. It utilizes a compact SNT-4A package designed for high-density mounting. The series is characterized by its ability to operate with small ceramic output capacitors, simplifying board layout compared to older LDO technologies requiring specific ESR ranges.

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

Public confirmed substitute part numbers are not available in the provided documentation.