S-1133B21-I8T1U

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

The ABLIC S-1133B21-I8T1U is a positive voltage low-dropout (LDO) linear regulator from the S-1133 series. It provides a fixed output voltage of 2.1V with a maximum output current capability of 300mA. The device is housed in an SNT-8A package and is designed for applications requiring high output voltage accuracy and low quiescent current consumption.

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

• Positive voltage regulation with low dropout characteristics
• High output voltage accuracy for stable power delivery
• Low current consumption design for energy efficiency

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

• Battery-powered portable electronic devices
• Microprocessor power supply circuits
• General-purpose low-noise voltage regulation

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

Verify the specific output voltage suffix matches the required 2.1V specification, as the S-1133 series offers multiple fixed voltage options. Confirm the SNT-8A package availability and ensure compliance with RoHS standards. Check manufacturer documentation for detailed thermal performance data and recommended external capacitor values to guarantee stability under varying load conditions.

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

Select this component when a fixed 2.1V rail is required with moderate current demands up to 300mA. Consider the S-1133 series for its balance of accuracy and low power usage. Evaluate the dropout voltage requirements against the minimum input voltage to ensure proper regulation. Compare with other LDOs if higher output currents or adjustable outputs are needed.

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

This part belongs to the ABLIC S-1133 series of CMOS voltage regulators. The series is characterized by low dropout voltages and high precision. The S-1133B21 variant specifically denotes the 2.1V fixed output version within this family of power management integrated circuits designed for mobile and battery-operated systems.

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

Compatible substitutes include other S-1133 series variants with different fixed output voltages, such as the S-1133B31-I8T1U (3.1V), provided the system voltage requirement is adjusted accordingly. Ensure any replacement maintains the same SNT-8A package and electrical specifications.