Nisshinbo Micro Devices Inc. RP114K281B5-TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.57 | $1.57 |
| 15+ | $0.36 | $5.40 |
| 25+ | $0.35 | $8.75 |
| 50+ | $0.33 | $16.50 |
| 100+ | $0.29 | $29.00 |
| N+ | $0.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Nisshinbo Micro Devices Inc. |
| Product Series | RP114x |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.25V |
| Voltage - Output (Min/Fixed) | 2.85V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.3V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 75 μA |
| Current - Supply (Max) | - |
| PSRR | 75dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 4-UDFN Exposed Pad |
| Supplier Device Package | DFN(PL)1010-4 |
| ROHS |
The RP114K281B5-TR from Nisshinbo is a fixed 2.85V LDO linear regulator capable of 300mA output. Featuring 75dB PSRR and 75 μA quiescent current, it provides clean, efficient power for memory, FPGA, and industrial applications. The DFN(PL)1010-4 package is ideal for compact designs.
- Optimal for DDR: 2.85V output matches DDR3 termination requirements.
- Low Noise: 75dB PSRR at 1kHz protects sensitive loads.
- Efficient Standby: 75 μA quiescent current extends battery life.
- Compact Size: DFN(PL)1010-4 enables miniaturized PCBs.
DDR Memory Termination
The 2.85V output is ideal for DDR3/DDR3L VTT termination rails, providing stable 300mA for memory bus termination.
FPGA/CPLD Core Supplies
Clean 2.85V rail for low-power FPGA cores and auxiliary logic, with high PSRR preventing digital noise coupling.
Optical Transceivers
Stable voltage for SFP/QSFP modules, ensuring consistent laser driver and TIA performance in data centers.
Industrial Control Systems
Reliable 2.85V for PLC I/O modules and fieldbus transceivers, with low dropout for 3.3V input margins.
Medical Monitoring Devices
Low quiescent current and compact package suit portable patient monitors and glucose meters.
Consumer Electronics
Powers interface ICs, level shifters, and display drivers in TVs, set-top boxes, and gaming peripherals.
- Q: What is the output voltage of the RP114K281B5-TR?
- A: The fixed output voltage is 2.85V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.3V at 300mA output.
- Q: What is the quiescent current?
- A: The quiescent current is 75 μA.
- Q: What package is available?
- A: It comes in a DFN(PL)1010-4 package.
- Q: What is the output voltage of the RP114K281B5-TR?
- A: The fixed output voltage is 2.85V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.3V at 300mA output.
- Q: What is the quiescent current?
- A: The quiescent current is 75 μA.
- Q: What package is available?
- A: It comes in a DFN(PL)1010-4 package.

RP114K281B5-TR.pdf