S-13R1F33-A4T2U3

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

The S-13R1F33-A4T2U3 is a CMOS low-dropout voltage regulator manufactured by ABLIC Inc. It provides a fixed output voltage of 3.3 V with a maximum output current of 150 mA. The device operates within an input voltage range of 1.5 V to 5.5 V and features a typical power supply rejection ratio (PSRR) of 70 dB. It incorporates reverse current protection, overcurrent protection, and thermal shutdown functions. The component is housed in an HSNT-1010-4 surface-mount package and supports operation temperatures from -40°C to +85°C.

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

• Integrated reverse current protection prevents backflow when the input voltage drops below the output voltage.
• High ripple rejection capability ensures stable output voltage under noisy power supply conditions.
• Built-in safety mechanisms include overcurrent protection and thermal shutdown to safeguard against fault conditions.

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

• Portable electronic devices requiring efficient power management
• Battery-powered equipment utilizing low quiescent current regulators
• Embedded systems needing stable 3.3 V logic supply rails

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

Verify the specific suffix 'A4T2U3' corresponds to the required tape-and-reel packaging configuration for automated assembly. Confirm that the HSNT-1010-4 footprint matches the target PCB design guidelines. Ensure compliance with RoHS directives as indicated in official manufacturer documentation before finalizing procurement orders.

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

Select this component for applications requiring a compact form factor with integrated reverse current protection. The 150 mA output capacity suits moderate load requirements while maintaining low dropout characteristics. Consider the 70 dB PSRR for noise-sensitive circuits powered by unregulated or switching sources.

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

This part belongs to the S-13R1 series of CMOS LDOs designed for high reliability and low power consumption. The series emphasizes miniaturization through small outline packages like the HSNT-1010-4. It targets modern portable electronics where space constraints and battery life are critical design parameters.

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

Direct substitutes within the same series include other S-13R1 variants with different output voltages but identical pinouts and protection features. Verify electrical compatibility regarding output current and dropout voltage when considering alternative models from the same manufacturer family.