RP111S121D-E2-JE

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

The RP111S121D-E2-JE is a positive fixed linear voltage regulator (LDO) from Nisshinbo Micro Devices, designed for automotive applications. It provides a fixed output voltage of 1.2 V with a maximum output current of 500 mA. The device features a typical power supply rejection ratio (PSRR) of 70 dB and a dropout voltage of 320 mV. It operates within an input voltage range of 1.4 V to 5.25 V and has a quiescent current of 80 uA. The component is housed in a 6-HSOP-J package and is qualified under AEC-Q100 standards, supporting operation temperatures from -40°C to +105°C.

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

• Automotive-grade qualification compliant with AEC-Q100 standards
• Low dropout voltage characteristic for efficient low-voltage operation
• High power supply rejection ratio for effective noise suppression
• Fast transient response capability for stable load regulation

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

• Automotive electronic systems requiring reliable low-voltage power regulation
• Battery-powered automotive modules needing extended operational life
• Noise-sensitive automotive circuits utilizing high PSRR performance

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

Verify the specific suffix JE indicates the HSOP-6J package and tape & reel or cut tape availability as per manufacturer distribution channels. Confirm AEC-Q100 qualification status and RoHS compliance through official datasheets before integration. Ensure input voltage constraints between 1.4 V and 5.25 V align with system design requirements to maintain proper LDO operation.

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

Select this component when a fixed 1.2 V output at 500 mA is required for automotive environments. Consider the 6-HSOP-J package for surface-mount assembly needs. Evaluate the 320 mV dropout voltage against minimum input-output differential requirements. The AEC-Q100 qualification makes it suitable for harsh automotive thermal conditions ranging from -40°C to +105°C.

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

This part belongs to the RP111S series of low-dropout regulators from Nisshinbo Micro Devices. The series is characterized by low voltage operation and good transient response, specifically tailored for automotive applications. The RP111S121D-E2-JE variant offers a fixed 1.2 V output, distinguishing it from adjustable variants within the same family.

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

Check for direct substitutes within the RP111S series with compatible package and electrical specifications. Verify equivalent AEC-Q100 qualification and pinout compatibility for seamless replacement in existing automotive designs.