onsemi NCP139AFCT180T2G
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.72 | $0.72 |
| 15+ | $0.17 | $2.55 |
| 25+ | $0.16 | $4.00 |
| 50+ | $0.15 | $7.50 |
| 100+ | $0.14 | $14.00 |
| N+ | $0.03 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.5V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | - |
| PSRR | 85dB ~ 70dB (1kHz) |
| Control Features | Enable |
| Protection Features | Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 6-XFBGA, WLCSP |
| Supplier Device Package | 6-WLCSP (1.2x0.8) |
The onsemi NCP139AFCT180T2G is a high-performance 1A low dropout linear regulator delivering a fixed 1.8V output. Its exceptional 85dB PSRR at 1kHz makes it an excellent choice for noise-sensitive applications. Housed in an ultra-compact 6-WLCSP package, this LDO is designed for space-constrained portable electronics where clean, stable power is critical.
- Ultra-High PSRR (85dB @ 1kHz): Provides superior noise rejection, ensuring clean power for sensitive analog and RF circuits.
- Compact 6-WLCSP Package (1.2x0.8mm): Minimizes PCB footprint, ideal for space-limited designs like wearables and mobile devices.
- 1A Output Current: Supports a wide range of loads, from low-power sensors to more demanding digital cores.
- Low Dropout (1.5V @ 1A): Maintains regulation even with small input-to-output voltage differences, improving efficiency in battery-powered systems.
Portable & Battery-Powered Devices
The 1.8V output and 1A capability make it ideal for powering low-voltage digital cores in smartphones, wearables, and IoT sensors, ensuring stable operation as the battery discharges.
RF & Wireless Transceivers
With 85dB PSRR at 1kHz, this LDO effectively filters power supply noise, maintaining clean voltage for sensitive RF circuits in Bluetooth and Wi-Fi modules.
FPGA & DSP Core Supplies
Modern FPGAs and DSPs require precise 1.8V rails. The 1A current rating supports moderate logic densities while the low dropout extends battery life in portable instrumentation.
Camera Modules & Image Sensors
The ultra-small 6-WLCSP package fits tight camera module constraints, while the high PSRR reduces artifacts from switching regulators in the power chain.
Noise-Sensitive Audio Codecs
For portable audio equipment, the 70-85dB PSRR suppresses high-frequency switching noise, preserving audio signal integrity for codecs and amplifiers.
Industrial Sensor Interfaces
The 1A output can power multiple sensors and their interface circuits from a single regulated rail, simplifying PCB design in compact industrial data loggers.
- Q: What is the output voltage of the NCP139AFCT180T2G?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for exact limits.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.5V at a 1A load.
- Q: What is the package type?
- A: It comes in a 6-WLCSP (1.2x0.8) package.
- Q: What is the PSRR performance?
- A: PSRR is 85dB to 70dB at 1kHz.
- Q: What is the output voltage of the NCP139AFCT180T2G?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet for exact limits.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.5V at a 1A load.
- Q: What is the package type?
- A: It comes in a 6-WLCSP (1.2x0.8) package.
- Q: What is the PSRR performance?
- A: PSRR is 85dB to 70dB at 1kHz.

NCP139AFCT180T2G.pdf