onsemi NCP551SN27T1G
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.91 | $0.91 |
| 15+ | $0.88 | $13.20 |
| 25+ | $0.86 | $21.50 |
| 50+ | $0.82 | $41.00 |
| 100+ | $0.72 | $72.00 |
| N+ | $0.14 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 12V |
| Voltage - Output (Min/Fixed) | 2.7V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.15V @ 10mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 8 µA |
| Current - Supply (Max) | 8 µA |
| PSRR | - |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-5 Thin, TSOT-23-5 |
| Supplier Device Package | 5-TSOP |
| ROHS |
The NCP551SN27T1G from onsemi is a fixed 2.7V low dropout linear regulator delivering up to 150mA. With an ultra-low quiescent current of 8µA and dropout of just 0.15V at 10mA, it is engineered for battery-powered and energy-sensitive applications. The 5-TSOP package offers a compact footprint for space-constrained designs.
- Extended Battery Life: 8µA quiescent current minimizes standby power draw, ideal for portable devices.
- Low Dropout Operation: 0.15V dropout at 10mA allows regulation even with small input-output differentials.
- Compact Footprint: 5-TSOP package saves PCB space without compromising thermal performance.
- Stable Output: Fixed 2.7V rail ensures consistent performance for sensitive loads.
Battery-Powered IoT Sensors
The 8µA quiescent current and 150mA output make it ideal for always-on sensor nodes, extending battery life significantly.
Portable Medical Devices
Stable 2.7V output with low dropout ensures reliable operation of sensitive analog front-ends in glucose monitors and pulse oximeters.
Wearable Electronics
The compact 5-TSOP package fits tight PCB layouts in smartwatches and fitness bands while maintaining thermal efficiency.
Microcontroller Power Supplies
Provides clean 2.7V rail for low-power MCUs, reducing noise-induced resets and improving system stability.
Energy Harvesting Systems
Low dropout of 0.15V at 10mA allows operation from weak energy sources like solar cells or thermoelectric generators.
Automotive Interior Lighting
Reliable 2.7V regulation for LED drivers in dashboard lighting, with wide input tolerance for vehicle voltage fluctuations.
- Q: What is the output voltage of the NCP551SN27T1G?
- A: The fixed output voltage is 2.7V.
- 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 from 2.7V up to 12V (absolute max).
- Q: What is the dropout voltage?
- A: Dropout is typically 0.15V at 10mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 8µA.
- Q: What package is available?
- A: Available in a 5-pin TSOP package.
- Q: What is the output voltage of the NCP551SN27T1G?
- A: The fixed output voltage is 2.7V.
- 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 from 2.7V up to 12V (absolute max).
- Q: What is the dropout voltage?
- A: Dropout is typically 0.15V at 10mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 8µA.
- Q: What package is available?
- A: Available in a 5-pin TSOP package.

NCP551SN27T1G.pdf