RP102N291D-TR-FE

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

The RP102N291D-TR-FE is a fixed-output low dropout regulator from the RP102N series, manufactured by Nisshinbo Micro Devices. It provides a stable 2.9 V output with a maximum current capacity of 300 mA. The device features high ripple rejection of 80 dB and a typical dropout voltage of 290 mV. Operating within an ambient temperature range of -40°C to +85°C, it utilizes a SOT-23-5 surface-mount package. This CMOS-based regulator includes internal protection circuits for overcurrent and thermal shutdown.

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

• High output voltage accuracy with 0.8% tolerance
• Integrated chip enable function for power management
• Low standby supply current in shutdown mode

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

• Power supplies for hand-held communication equipment
• Battery-powered portable devices
• General purpose low noise voltage regulation

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

Verify the specific suffix 'D' against the manufacturer's official datasheet to confirm pinout configuration and package variant. Ensure the ordering code matches the exact electrical specifications required for the target application. Cross-reference the RoHS compliance status with the latest environmental documentation provided by Nisshinbo Micro Devices prior to procurement.

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

Select this component when a fixed 2.9 V rail is required with moderate current demands up to 300 mA. The RP102N series offers superior ripple rejection compared to standard LDOs, making it suitable for noise-sensitive analog sections. Consider the SOT-23-5 footprint constraints and the thermal dissipation capabilities inherent to this small outline transistor package during PCB layout design.

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

This part belongs to the RP102N series of CMOS low dropout regulators designed for high density mounting. The series is characterized by extremely low supply current and high ripple rejection ratios. These ICs integrate a voltage reference, error amplifier, and current limit circuitry within a compact form factor suitable for space-constrained electronic designs.

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

Direct substitutes include other RP102N variants with different fixed output voltages or the RP101N series which shares similar packaging but differs in current rating and PSRR specifications. Verify compatibility before swapping parts as internal circuit architectures may vary between series generations.