Overview
The NCP114AMX250TCG 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) | 2.5 | - | - | V |
| Output Current (IOUT) | 300 | - | - | mA |
| Low Dropout Voltage | 135 mV | - | - | mV |
| Quiescent Current (IQ) | 50 μA | - | - | μA |
| Power Supply Rejection Ratio (PSRR) at 1 kHz | 75 dB | - | - | dB |
| Output Voltage Accuracy | ±1% | - | - | % |
| Thermal Shutdown Temperature | 160°C (typical) | - | - | °C |
| Package Type | UDFN-4 (1x1 mm) | - | - | - |
Key Features
- Low Quiescent Current: Typical quiescent current of 50 μA, making it suitable for battery-powered applications.
- High PSRR: Power Supply Rejection Ratio of 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.
- Enable Function: The EN pin allows for device enable/disable and active discharge control.
- Compact Package: Available in a small UDFN-4 (1x1 mm) package, 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 NCP114AMX250TCG?
The typical quiescent current is 50 μA.
- What is the operating input voltage range for the NCP114AMX250TCG?
The operating input voltage range is from 1.7 V to 5.5 V.
- What is the typical output voltage of the NCP114AMX250TCG?
The typical output voltage is 2.5 V.
- What is the maximum output current of the NCP114AMX250TCG?
The maximum output current is 300 mA.
- What is the typical dropout voltage of the NCP114AMX250TCG at 300 mA?
The typical dropout voltage is 135 mV.
- Does the NCP114AMX250TCG have thermal protection?
Yes, it features thermal shutdown protection with a typical threshold of 160°C.
- How does the enable function work on the NCP114AMX250TCG?
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 NCP114AMX250TCG available in?
The device is available in a UDFN-4 (1x1 mm) package.
- What are some common applications for the NCP114AMX250TCG?
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 NCP114AMX250TCG affect its performance?
The high PSRR of 75 dB at 1 kHz ensures excellent dynamic performance and noise rejection.
