S-1135A11-U5T1U

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

The S-1135A11-U5T1U is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a fixed output voltage of 1.1V with a maximum output current capability of 300mA. The device operates within an input voltage range up to 5.5V and features a typical power supply rejection ratio (PSRR) of 70dB at 1kHz. It incorporates an enable control feature and includes overcurrent protection. The component is designed for surface mount installation in SC-74A or SOT-23-5 packages, supporting operation across a temperature range of -40°C to +85°C.

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

• Fixed 1.1V output voltage with 300mA load current capability
• High ripple rejection performance at standard frequencies
• Integrated enable pin for power management control
• Built-in overcurrent protection circuitry

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

• Battery-powered portable electronic devices requiring stable low-voltage rails
• Embedded systems utilizing CMOS logic families operating at 1.1V
• Low-power sensor interfaces needing regulated supply from higher voltage sources

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

Verify the specific package variant required, as the part may be available in both SOT-23-5 and SC-74A configurations depending on the manufacturer's current production run. Confirm RoHS compliance status and check for any recent product change notifications regarding marking or material composition updates before finalizing procurement orders.

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

Select this component when a precise 1.1V regulation is necessary with moderate current demands. Ensure the input voltage remains within the specified maximum limit to prevent damage. Consider the thermal dissipation requirements based on the voltage drop and load current. Verify that the PCB layout supports the chosen package type for optimal heat transfer and signal integrity.

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

This regulator belongs to the S-1135 series of high-performance LDOs known for low quiescent current and high PSRR. It is designed for applications where battery life and noise-sensitive circuits are critical. The series offers various fixed output voltages to accommodate different digital and analog subsystems within compact form factors.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official distributor databases for cross-reference lists or contact ABLIC directly for recommended alternatives.