Overview
The NCP114AMX075TCG 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 |
|---|---|---|---|---|
| Input Voltage Range | - | 1.7 | 5.5 | V |
| Output Voltage | 0.75 | - | - | V |
| Output Current | 300 | - | - | mA |
| Low Dropout Voltage | 135 mV | - | - | mV |
| Quiescent Current | 50 μA | - | - | μA |
| Power Supply Rejection Ratio (PSRR) | 75 dB | - | - | dB |
| Operating Temperature Range | - | -40°C | 85°C | °C |
| Package Type | - | - | uDFN-4 | - |
Key Features
- Very low quiescent current of typical 50 μA, making it suitable for battery-powered applications.
- High Power Supply Rejection Ratio (PSRR) of 75 dB at 1 kHz.
- Low dropout voltage of 135 mV typical at 300 mA.
- Thermal shutdown and current limit protections for robust design.
- Active discharge function through the EN pin, allowing the output voltage to be pulled to GND when disabled.
- Output voltage accuracy of ±1% typical.
- Compact uDFN-4 package, ideal for space-constrained applications.
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 input voltage range of the NCP114AMX075TCG?
The input voltage range is from 1.7 V to 5.5 V.
- What is the typical output current of the NCP114AMX075TCG?
The typical output current is 300 mA.
- What is the low dropout voltage of the NCP114AMX075TCG?
The low dropout voltage is 135 mV typical at 300 mA.
- What is the quiescent current of the NCP114AMX075TCG?
The quiescent current is 50 μA typical.
- What is the Power Supply Rejection Ratio (PSRR) of the NCP114AMX075TCG?
The PSRR is 75 dB at 1 kHz.
- What are the thermal protection features of the NCP114AMX075TCG?
The device features thermal shutdown and current limit protections.
- How does the enable/disable function work on the NCP114AMX075TCG?
The device can be enabled/disabled through the EN pin, with an internal pull-down current source to ensure the device is turned off when the EN pin is not connected.
- What is the recommended input and output capacitor configuration for the NCP114AMX075TCG?
It is recommended to use 1 μF X5R or X7R ceramic capacitors for both input and output.
- What are some common applications of the NCP114AMX075TCG?
Common applications include touchscreen controller supply, wireless modules, camera supply modules, MCU and low-power FPGA supply, smartphones, tablets, and IP cameras.
- What is the package type of the NCP114AMX075TCG?
The package type is uDFN-4.
