S-1142D51I-E6T1U

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

The S-1142D51I-E6T1U is a negative output low dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a fixed output voltage of -5.1 V with a maximum output current capability of 30 mA. The device operates within an input voltage range of 3 V to 50 V and features a typical power supply rejection ratio (PSRR) of 30 dB. Designed for surface mount applications, it utilizes an HSOP-6 package. The component supports an operating temperature range from -40 °C to +85 °C and exhibits a dropout voltage of 180 mV.

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

• Capable of regulating negative voltages using a wide input voltage range up to 50 V.
• Provides stable fixed negative output voltage with high line and load regulation accuracy.
• Features low quiescent current consumption suitable for battery-powered systems.

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

• Negative rail generation in dual-supply electronic circuits
• Bias voltage supply for operational amplifiers
• Power management in portable devices requiring negative logic levels

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

Verify the specific suffix codes against official ABLIC documentation to ensure correct pinout and electrical characteristics. Confirm RoHS compliance status and lead-free specifications prior to integration. Check for factory special order requirements as availability may vary. Ensure the selected package matches the PCB footprint design constraints.

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

Select this component when a reliable negative voltage source is required for analog or mixed-signal circuits. The wide input voltage range allows compatibility with various positive supply rails. Consider the thermal dissipation capabilities within the HSOP-6 package for the expected load conditions. Verify that the 30 mA output current meets the system's peak demand requirements.

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

This part belongs to the S-1142 series of CMOS LDO regulators from ABLIC. The series includes both positive and negative output variants designed for general-purpose power management. The D-series specifically denotes negative output models. These regulators are engineered for stability and low noise performance in compact form factors.

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

Consult official cross-reference lists for direct substitutes. Verify pin compatibility and electrical parameters before replacing with other negative LDOs.