S-1313C28-A4T1U3

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

The S-1313C28-A4T1U3 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a fixed output voltage of 2.8 V with a maximum output current of 200 mA. The device operates within an input voltage range of 1.5 V to 5.5 V and features an ultra-low quiescent current of 900 nA. It incorporates reverse current protection, overcurrent protection, and thermal shutdown functions. The component is housed in an HSNT-0808-4 surface-mount package and supports operation across a temperature range of -40°C to +85°C.

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

• Ultra-low quiescent current consumption for extended battery life
• Integrated reverse current protection prevents discharge through the regulator
• Built-in overcurrent and thermal shutdown protection mechanisms

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

• Battery-powered portable electronic devices
• Wearable technology requiring efficient power management
• IoT sensor nodes and wireless communication modules

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

Verify the specific output voltage tolerance and package marking against the official ABLIC datasheet before integration. Confirm that the HSNT-0808-4 footprint matches your PCB layout requirements. Ensure supply chain sources provide genuine components with traceable documentation to avoid counterfeit risks.

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

Select this regulator when a stable 2.8 V rail is required from a single-cell lithium-ion or similar battery source. The low dropout characteristic allows operation even as battery voltage approaches the output level. Consider the 200 mA current limit for load requirements and verify thermal dissipation capabilities within the target enclosure.

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

This component belongs to the S-1313 series of LDO regulators designed for ultra-low power applications. The series is characterized by high efficiency and compact packaging options suitable for space-constrained designs. ABLIC utilizes CMOS technology to achieve minimal standby current while maintaining robust regulation performance under varying load conditions.

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

Direct substitutes include other S-1313 series variants with different fixed output voltages, such as S-1313C25 or S-1313C33, provided the system voltage requirement changes. Cross-brand replacements require matching the 200 mA output current, 5.5 V maximum input rating, and HSNT-0808-4 package dimensions.