Overview
The NCP114AMX330TCG 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 | 5.5 | V |
| Output Voltage (VOUT) | 3.3 | - | - | V |
| Output Current (IOUT) | 300 | - | - | mA |
| Low Dropout Voltage | 135 mV | - | - | mV |
| Quiescent Current (IQ) | 50 μA | - | - | μA |
| Standby Current Consumption | 0.1 μA | - | - | μA |
| Power Supply Rejection Ratio (PSRR) at 1 kHz | 75 dB | - | - | dB |
| Output Voltage Accuracy | ±1% | - | - | % |
| Package Type | uDFN-4 | - | - | - |
| Thermal Shutdown Threshold | 160°C (typ) | - | - | °C |
Key Features
- Low Quiescent Current: Typical quiescent current of 50 μA and standby current consumption of 0.1 μA, making it highly efficient for battery-powered devices.
- Low Dropout Voltage: 135 mV typical at 300 mA, ensuring minimal voltage drop.
- High PSRR: Power Supply Rejection Ratio of 75 dB at 1 kHz, providing excellent noise rejection.
- Thermal and Current Protections: Features thermal shutdown and current limit protections to prevent device failure due to overheating or overcurrent conditions.
- Enable Function: The EN pin allows for device enable/disable and active discharge function, with an internal pull-down current source.
- Compact Package: Available in a small uDFN 1.0 x 1.0 mm package, suitable for space-constrained applications.
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 typical output current of the NCP114AMX330TCG?
The typical output current is 300 mA.
- What is the operating input voltage range for the NCP114AMX330TCG?
The operating input voltage range is from 1.7 V to 5.5 V.
- What is the typical low dropout voltage of the NCP114AMX330TCG?
The typical low dropout voltage is 135 mV at 300 mA.
- What is the quiescent current of the NCP114AMX330TCG?
The typical quiescent current is 50 μA.
- Does the NCP114AMX330TCG have thermal protection?
- How does the enable function work on the NCP114AMX330TCG?
The EN pin allows for device enable/disable and active discharge function. If the EN pin voltage is <0.4 V, the device is disabled, and if it is >0.9 V, the device is enabled.
- What is the recommended input capacitor for the NCP114AMX330TCG?
A 1 μF Ceramic X5R or X7R capacitor is recommended to be connected as close as possible to the IN pin.
- What is the recommended output capacitor for the NCP114AMX330TCG?
A 1 μF X7R or X5R capacitor is recommended to be connected as close as possible to the output pin.
- Is the NCP114AMX330TCG suitable for noise-sensitive applications?
- What are some common applications of the NCP114AMX330TCG?
