S-1142D37I-E6T1U

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

The S-1142D37I-E6T1U is a fixed positive low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a stable output voltage of 3.7 V with a maximum continuous output current of 200 mA. The device utilizes a CMOS process and features an HSOP-6 surface-mount package. Key electrical specifications include a typical power supply rejection ratio (PSRR) of 45 dB at 100 Hz, a dropout voltage of 0.82 V at full load, and a quiescent current of approximately 1 µA. It operates within an ambient temperature range of -40°C to +85°C.

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

• Integrates overcurrent protection and thermal shutdown circuitry for enhanced reliability under fault conditions.
• Utilizes a high-speed CMOS technology to achieve ultra-low standby current consumption.
• Provides a fixed positive output voltage with high accuracy and stability without requiring external feedback components.

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

• Battery-powered portable electronic devices requiring efficient power management.
• Embedded systems and microcontroller circuits needing stable voltage regulation.
• Communication modules and sensor interfaces in industrial control environments.

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

Verify the specific output voltage tolerance and package variant against the official ABLIC datasheet before procurement. Confirm that the HSOP-6 footprint matches your PCB design requirements. Ensure that the operating temperature range aligns with your system's environmental conditions. Cross-reference the manufacturer part number to avoid counterfeit components.

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

Select this component when a fixed 3.7 V output is required with moderate current capability up to 200 mA. Consider the dropout voltage characteristics relative to your minimum input voltage to ensure regulation stability. Evaluate the thermal performance in your enclosure design, as power dissipation depends on the input-output voltage differential and load current.

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

This component belongs to the S-1142 series of LDO regulators from ABLIC, designed for general-purpose voltage regulation applications. The series offers various fixed output voltages and current ratings, catering to diverse embedded system needs. The S-1142D37I-E6T1U specifically targets applications requiring a precise 3.7 V rail with compact packaging solutions.

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

Direct pin-to-pin replacements may include other S-1142 series variants with different output voltages or current ratings, provided the electrical parameters meet the circuit requirements. Verify compatibility with existing PCB layouts and thermal constraints when substituting.