RP173N551D-TR-FE

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

The RP173N551D-TR-FE is a low dropout (LDO) voltage regulator from the Nisshinbo RP173N series. It provides a fixed 5.0V output with a maximum load current of 150mA. The device supports an input voltage range up to 11V and operates within a temperature range of -40°C to +85°C. Key electrical characteristics include a typical quiescent current of 2µA, a line regulation of 0.02%/V, and a load regulation of -3mV. It features reverse current protection and is housed in a compact SOT-23-5 package.

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

• Integrated reverse current protection mechanism
• Ultra-low supply current operation
• Fixed output voltage configuration

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

• Battery-powered portable devices
• General purpose voltage regulation circuits
• Low power embedded systems

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

Verify the specific suffix 'D' against official datasheets to confirm the exact output voltage tolerance and pinout configuration, as variations exist within the RP173N family. Ensure compatibility with SOT-23-5 footprint requirements during PCB layout. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement orders.

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

Select this component for applications requiring stable 5V regulation from higher input rails with minimal static power consumption. The 150mA output capability suits moderate load demands. Consider the SOT-23-5 package size constraints and thermal dissipation limits relative to the expected ambient operating conditions and input-output voltage differential.

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

This part belongs to the RP173N series of CMOS LDO regulators designed by Nisshinbo Micro Devices. The series emphasizes low quiescent current and high reliability for battery-operated equipment. The RP173N551D variant specifically targets fixed 5.0V output applications within the standard industrial temperature range, offering a balance between performance and power efficiency.

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

Cross-reference with other RP173N variants such as RP173N551A or RP173N551B if different output tolerances are required. Verify pin-to-pin compatibility with existing designs when substituting. Check for updated revisions in the RP173N series that may offer improved specifications or packaging options.