Overview
The NCP114AMX120TCG 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 | Unit |
|---|---|---|
| Operating Input Voltage (VIN) | 1.7 to 5.5 | V |
| Output Voltage (VOUT) | 1.2 | 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 |
| Package Type | 4-UDFN (1.0x1.0 mm) |
Key Features
- Low Quiescent Current: Typical 50 µA, making it suitable for battery-powered devices.
- High PSRR: Over 75 dB at 1 kHz, ensuring excellent noise rejection.
- Low Dropout Voltage: 135 mV typical at 300 mA, allowing for efficient voltage regulation.
- Thermal Shutdown and Current Limit Protections: Protects the device from overheating and overcurrent conditions.
- Enable Function: Allows for device enable/disable and active discharge control through the EN pin.
- Compact Package: Available in a small 4-UDFN package (1.0x1.0 mm), ideal 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 typical quiescent current of the NCP114AMX120TCG?
The typical quiescent current is 50 µA.
- What is the operating input voltage range of the NCP114AMX120TCG?
The operating input voltage range is from 1.7 V to 5.5 V.
- What is the output voltage of the NCP114AMX120TCG?
The output voltage is 1.2 V.
- What is the maximum output current of the NCP114AMX120TCG?
The maximum output current is 300 mA.
- What is the typical low dropout voltage of the NCP114AMX120TCG?
The typical low dropout voltage is 135 mV at 300 mA.
- Does the NCP114AMX120TCG have thermal shutdown protection?
Yes, it has thermal shutdown protection with a typical threshold of 160°C.
- How does the enable function work on the NCP114AMX120TCG?
The enable function allows the device to be enabled or 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 type of package is the NCP114AMX120TCG available in?
The device is available in a 4-UDFN package (1.0x1.0 mm).
- What are some common applications for the NCP114AMX120TCG?
Common applications include touchscreen controller supply, wireless modules, camera supply modules, MCU and low power FPGA supply, smartphones, tablets, portable devices, wireless handsets, and IP cameras.
- How does the power supply rejection ratio (PSRR) of the NCP114AMX120TCG contribute to its performance?
The high PSRR of over 75 dB at 1 kHz ensures excellent noise rejection, making the device suitable for noise-sensitive applications.
