RP111H001B-T1-JE

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

The RP111H001B-T1-JE is an adjustable output voltage LDO regulator from the RP111x series, designed for automotive applications. It features a maximum input voltage of 5.25 V and supports an output current of 500 mA. The output voltage range is adjustable from 0.7 V to 3.6 V using external resistors. Key electrical parameters include a typical supply current of 80 µA, ripple rejection of 75 dB at 1 kHz, and output voltage accuracy of ±0.8%. It operates within a temperature range of -40°C to 105°C and includes fold-back protection, thermal shutdown, and inrush current limit circuits.

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

• Adjustable output voltage configuration via external feedback resistors
• Built-in fold-back protection circuit for short-circuit safety
• Thermal shutdown and inrush current limit protection mechanisms
• High ripple rejection ratio for noise-sensitive applications

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

• Power source for car audio systems
• Power source for car navigation systems
• Power source for ETC systems
• Power source for EV inverter ECUs
• Power source for battery charge control unit ECUs

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

Verify the specific ordering suffixes against the manufacturer's selection guide to ensure correct package type (SOT-89-5), auto-discharge function status (B indicates no auto-discharge), and automotive class code (J guarantees full operating temperature range screening). Confirm that the application requires the adjustable output variant rather than a fixed voltage version within the same series.

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

Select this component when an adjustable voltage rail between 0.7 V and 3.6 V is required with high current capability. Ensure the design accommodates the necessary external feedback resistors and capacitors for stability. Consider the SOT-89-5 package for its higher power dissipation capabilities compared to smaller packages. Verify that the load transient response requirements align with the device's internal phase compensation characteristics.

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

This part belongs to the RP111x series of low voltage fast response LDO regulators manufactured by Nisshinbo Micro Devices Inc. The series is AEC-Q100 Grade 2 qualified, targeting automotive electronics. It offers a balance of low quiescent current and high output current, making it suitable for various power management tasks in vehicle environments where space and efficiency are critical constraints.

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

RP111H001D-T1-JE