S-13A1B1C-A6T1U3

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

The S-13A1B1C-A6T1U3 is a positive voltage regulator from the S-13A1 Series, developed using CMOS technology. It features a low dropout voltage and high-accuracy output voltage with low current consumption. The device supports an input voltage range of 1.5 V to 5.5 V and provides an internally set output voltage selectable in 0.05 V steps from 1.0 V to 3.5 V. It delivers up to 1000 mA output current and includes built-in overcurrent protection, thermal shutdown, and inrush current limit circuits. The part utilizes HSOP-6 packaging.

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

• Built-in discharge shunt function for extended battery life during power-off states
• Active High ON/OFF logic control with integrated inrush current limiting
• High ripple rejection capability utilizing small ceramic capacitors
• Integrated thermal shutdown and overcurrent protection circuits

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

• Constant-voltage power supply for battery-powered devices
• Power regulation for portable equipment
• Voltage regulation for notebook PCs and home appliances

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

Verify the specific package type and environmental code against official ABLIC documentation before procurement. Confirm that the internal pull-down resistor configuration aligns with system requirements, as this variant lacks the discharge shunt function found in other series types. Ensure input and output capacitor values meet stability criteria specified in the datasheet.

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

Select this component when a fixed output voltage within the 1.0 V to 3.5 V range is required without external resistors. The B-type designation indicates the presence of a discharge shunt but absence of a pull-down resistor. Evaluate thermal dissipation capabilities based on the HSOP-6 package characteristics and expected load currents to ensure operation within safe junction temperature limits.

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

This component belongs to the S-13A1 Series of low dropout regulators manufactured by ABLIC Inc. The series is characterized by its ability to operate with small ceramic capacitors and offers various package options including HSOP-8A, HSOP-6, and SOT-89-5. The B-type variants specifically feature active high ON/OFF logic and a discharge shunt function, distinguishing them from other series configurations.

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

Direct substitutes include other S-13A1Bxx-E6T1U3 variants with different fixed output voltages, such as S-13A1B18-E6T1U3 or S-13A1B25-E6T1U3, provided the voltage requirement matches. Cross-series replacements require verification of pin compatibility and electrical specifications.