Analog Devices Inc. RP103K121D-TR-FF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.32 | $1.32 |
| 15+ | $0.30 | $4.50 |
| 25+ | $0.30 | $7.50 |
| 50+ | $0.28 | $14.00 |
| 100+ | $0.25 | $25.00 |
| N+ | $0.05 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | RP103x |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.25V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.62V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 50 µA |
| Current - Supply (Max) | - |
| PSRR | 75dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 4-UDFN Exposed Pad |
| Supplier Device Package | DFN(PL)1010-4 |
The RP103K121D-TR-FF is a low dropout linear regulator delivering a fixed 1.2V output with up to 150mA of current. Its ultra-low 50 µA quiescent current and high 75dB PSRR make it an excellent choice for battery-powered and noise-sensitive applications. Housed in a compact DFN(PL)1010-4 package, this LDO offers a practical balance of performance and size for modern portable electronics.
- Extended Battery Life: Ultra-low 50 µA quiescent current minimizes standby power draw in portable devices.
- Clean Power Delivery: 75dB PSRR at 1kHz effectively filters input noise, ensuring stable operation for sensitive analog circuits.
- Compact Footprint: The 1.0x1.0mm DFN package saves critical board space in miniaturized designs.
- Low Dropout Operation: 0.62V dropout at full load allows efficient use of input voltage headroom.
Battery-Powered IoT Sensors
The 50 µA quiescent current and 1.2V output make it ideal for always-on sensor nodes, extending battery life in wireless environmental monitoring.
Portable Medical Devices
With 75dB PSRR at 1kHz, this LDO provides clean, stable power for sensitive analog front-ends in glucose monitors and wearable health trackers.
Low-Voltage Microcontroller Supply
Modern MCUs at 1.2V core voltage benefit from the RP103K's tight regulation and 150mA capability, ensuring reliable operation during active and sleep modes.
RF Transceivers
The high PSRR suppresses noise from switching regulators, maintaining signal integrity in 2.4GHz ISM band radios.
Space-Constrained Wearables
The compact DFN(PL)1010-4 package (1.0x1.0mm) fits into smart rings and earbuds where PCB area is at a premium.
Energy Harvesting Systems
Low dropout of 0.62V allows operation from nearly depleted energy storage elements, maximizing usable energy in solar or thermal harvesting setups.
- Q: What is the output voltage of the RP103K121D-TR-FF?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA.
- 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 0.62V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 50 µA.
- Q: What package is available?
- A: It comes in a DFN(PL)1010-4 package.
RP103K121D-TR-FF.pdf
- Q: What is the output voltage of the RP103K121D-TR-FF?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA.
- 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 0.62V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 50 µA.
- Q: What package is available?
- A: It comes in a DFN(PL)1010-4 package.
