onsemi RP114K101B-TRB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.20 | $2.20 |
| 15+ | $0.51 | $7.65 |
| 25+ | $0.50 | $12.50 |
| 50+ | $0.47 | $23.50 |
| 100+ | $0.41 | $41.00 |
| N+ | $0.08 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | RP114x |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.25V |
| Voltage - Output (Min/Fixed) | 1V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.46V @ 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)1010-4B |
| ROHS |
The RP114K101B-TRB from onsemi is a high-performance LDO regulator delivering a fixed 1V output with up to 300mA current. Its 75dB PSRR at 1kHz and 75µA quiescent current make it exceptional for noise-sensitive, battery-powered applications. The ultra-compact DFN(PL)1010-4B package is ideal for space-constrained designs.
- Excellent PSRR: 75dB at 1kHz ensures clean power for RF and analog circuits.
- Ultra-Compact Package: DFN(PL)1010-4B saves PCB space in miniaturized designs.
- Low Quiescent Current: 75µA extends battery life in portable devices.
- Precise 1V Output: Meets the tight voltage requirements of modern digital cores.
Ultra-Low Voltage Digital Cores
The 1V output is perfect for powering modern FPGA and MCU cores that require precise 1V rails with up to 300mA current.
Wearable Devices
With 75µA quiescent current and a tiny DFN package, it's ideal for smartwatches, fitness trackers, and hearables.
RF and Wireless Modules
The 75dB PSRR at 1kHz ensures clean power for Bluetooth, Zigbee, and LoRa transceivers, reducing signal interference.
Sensor Interfaces
Low noise output is critical for MEMS sensors, gas sensors, and precision analog front-ends operating at 1V.
Battery-Powered Portable Electronics
The low dropout and quiescent current maximize battery life in handheld devices, remote controls, and portable instruments.
IoT Edge Nodes
Compact DFN(PL)1010-4B package fits space-constrained IoT designs while providing stable 1V power.
- Q: What is the output voltage?
- A: The RP114K101B-TRB provides a fixed 1V output.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage is 1V, requiring a minimum of 1.46V for regulation.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.46V at 300mA, suitable for low-voltage applications.
- Q: What is the quiescent current?
- A: The quiescent current is only 75µA, making it efficient for battery operation.
- Q: What is the PSRR?
- A: It offers excellent 75dB ripple rejection at 1kHz, ideal for noise-sensitive circuits.
- Q: What is the output voltage?
- A: The RP114K101B-TRB provides a fixed 1V output.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage is 1V, requiring a minimum of 1.46V for regulation.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.46V at 300mA, suitable for low-voltage applications.
- Q: What is the quiescent current?
- A: The quiescent current is only 75µA, making it efficient for battery operation.
- Q: What is the PSRR?
- A: It offers excellent 75dB ripple rejection at 1kHz, ideal for noise-sensitive circuits.

RP114K101B-TRB.pdf