Overview
The NCP114AMX330TBG is a high-performance, 300 mA Low Dropout Linear Regulator (LDO) produced by onsemi. This device is designed to provide a very stable and accurate voltage output with low noise, making it suitable for space-constrained and 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 |
| Power Supply Rejection Ratio (PSRR) | 75 dB at 1 kHz | - | - | dB |
| Output Voltage Accuracy | ±1% | - | - | % |
| Thermal Shutdown Threshold | 160°C typical | - | - | °C |
| Package Type | UDFN-4 (1.0 x 1.0 mm) | - | - | - |
Key Features
- Low Quiescent Current: Typical quiescent current of 50 μA, making it highly efficient for battery-powered applications.
- High PSRR: Power Supply Rejection Ratio of over 75 dB at 1 kHz, ensuring excellent dynamic performance.
- Low Dropout Voltage: Typical dropout voltage of 135 mV at 300 mA.
- 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 control, with an internal pull-down current source.
- Compact Package: Available in a small UDFN-4 (1.0 x 1.0 mm) package, suitable for space-constrained designs.
Applications
- Touchscreen Controller Supply
- Wireless Modules
- Camera Supply Modules
- Microcontroller (MCU) and Low Power FPGA Supply
- Smartphones and Tablets
- Portable Devices
- Wireless Handsets
- IP Cameras
Q & A
- What is the typical quiescent current of the NCP114AMX330TBG?
The typical quiescent current is 50 μA.
- What is the operating input voltage range for the NCP114AMX330TBG?
The operating input voltage range is from 1.7 V to 5.5 V.
- What is the maximum output current of the NCP114AMX330TBG?
The maximum output current is 300 mA.
- What is the typical dropout voltage of the NCP114AMX330TBG at 300 mA?
The typical dropout voltage is 135 mV at 300 mA.
- Does the NCP114AMX330TBG have thermal protection?
- How does the enable function work on the NCP114AMX330TBG?
The EN pin allows for device enable/disable and active discharge control. When the EN pin voltage is below 0.4 V, the device is disabled, and when it is above 0.9 V, the device is enabled.
- What type of package is the NCP114AMX330TBG available in?
The device is available in a UDFN-4 (1.0 x 1.0 mm) package.
- What is the recommended input and output capacitor value for the NCP114AMX330TBG?
The recommended input and output capacitor value is 1 μF with an X5R or X7R dielectric.
- Does the NCP114AMX330TBG have short circuit protection?
- What is the Power Supply Rejection Ratio (PSRR) of the NCP114AMX330TBG?
The PSRR is over 75 dB at 1 kHz.
