Overview
The NCP114AMX180TBG is a high-performance 300 mA Low Dropout Linear Regulator (LDO) produced by onsemi. This device is designed to provide a very stable, accurate voltage with low noise, making it suitable for space-constrained, noise-sensitive applications. It is particularly optimized for battery-operated portable devices, featuring dynamic quiescent current adjustment to minimize power consumption at no-load conditions.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Operating Input Voltage (VIN) | 1.7 to 5.5 | 1.7 | 5.5 | V |
| Output Voltage (VOUT) | 1.8 | - | - | V |
| Output Current (IOUT) | 300 mA | - | - | mA |
| Low Dropout Voltage | 135 mV at 300 mA | - | - | mV |
| Quiescent Current (IQ) | 50 μA | - | - | μA |
| Power Supply Rejection Ratio (PSRR) | 75 dB at 1 kHz | - | - | dB |
| Output Voltage Accuracy | ±1% | - | - | % |
| Thermal Shutdown Temperature | 160°C typical | - | - | °C |
| Enable Voltage | 0.9 V to enable, 0.4 V to disable | 0.4 V | 0.9 V | V |
| Package Type | uDFN 1.0 x 1.0 mm | - | - | - |
Key Features
- High PSRR and Low Noise: The NCP114 features a high Power Supply Rejection Ratio (PSRR) of 75 dB at 1 kHz, ensuring excellent dynamic performance and low noise.
- Low Quiescent Current: Very low quiescent current of typically 50 μA, making it highly efficient for battery-powered applications.
- Low Dropout Voltage: A low dropout voltage of 135 mV at 300 mA, which is beneficial for maintaining output voltage stability under varying load conditions.
- Thermal and Current Protections: The device includes thermal shutdown and current limit protections to prevent overheating and overcurrent conditions.
- Enable Function: The EN pin allows for enabling/disabling the device and activating/deactivating the active discharge function.
- Compact Package: Available in a uDFN 1.0 x 1.0 mm package, suitable for space-constrained designs.
Applications
- Touchscreen Controller Supply
- Wireless Modules
- Camera Supply Modules
- MCU and Low Power FPGA Supply
- Smartphones and Tablets
- Portable Devices
- Wireless Handsets
- IP Cameras
Q & A
- What is the maximum output current of the NCP114AMX180TBG?
The maximum output current is 300 mA. - What is the typical quiescent current of the NCP114AMX180TBG?
The typical quiescent current is 50 μA. - What is the operating input voltage range of the NCP114AMX180TBG?
The operating input voltage range is from 1.7 V to 5.5 V. - What is the output voltage accuracy of the NCP114AMX180TBG?
The output voltage accuracy is ±1% typical. - Does the NCP114AMX180TBG have thermal protection?
Yes, it includes thermal shutdown protection with a typical threshold of 160°C. - How do you enable/disable the NCP114AMX180TBG?
The device can be enabled by setting the EN pin voltage above 0.9 V and disabled by setting it below 0.4 V. - What type of capacitors are recommended for input and output decoupling?
Ceramic X5R or X7R capacitors are recommended due to their low ESR and ESL. - What is the typical turn-on time for the NCP114AMX180TBG?
The typical turn-on time is 90 ms for VOUT = 1.2 V, COUT = 1 μF, IOUT = 1 mA, and TA = 25°C. - Is the NCP114AMX180TBG suitable for battery-powered applications?
Yes, it is highly suitable due to its low quiescent current and dynamic quiescent current adjustment. - What is the package type of the NCP114AMX180TBG?
The package type is uDFN 1.0 x 1.0 mm.
