Overview
The NCP114ASN250T1G is a high-performance 300 mA Low Dropout Linear Regulator (LDO) produced by onsemi. This device is designed to deliver very high Power Supply Rejection Ratio (PSRR) and excellent dynamic performance, making it suitable for various battery-powered applications. The NCP114ASN250T1G features a very low quiescent current, low dropout voltage, and robust protection mechanisms such as output overload, short circuit, and thermal shutdown protection.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Voltage (VIN) | 1.7 to 5.5 | 1.7 | 5.5 | V |
| Output Voltage (VOUT) | 2.5 | - | - | V |
| Output Current (IOUT) | 300 mA | - | - | mA |
| Quiescent Current (IQ) | 50 μA | - | - | μA |
| Dropout Voltage (VDO) | 135 mV at 300 mA | - | - | mV |
| PSRR | 75 dB at 1 kHz | - | - | dB |
| Operating Temperature Range | -40°C to 85°C | -40°C | 85°C | °C |
| Thermal Shutdown Temperature | 160°C typical | - | - | °C |
Key Features
- Very low quiescent current of 50 μA typical and standby current consumption of 0.1 μA typical.
- Low dropout voltage of 135 mV at 300 mA.
- High Power Supply Rejection Ratio (PSRR) of over 75 dB at 1 kHz.
- Robust protection mechanisms including output overload, short circuit, and thermal shutdown protection.
- Enable pin for device enable/disable and active discharge function.
- Internal current limit and short circuit protection.
- Recommended input and output capacitors for stability and performance.
Applications
The NCP114ASN250T1G is highly suitable for various battery-powered applications such as:
- Tablets
- Cellular phones
- Wireless devices
- Other portable electronic devices.
Q & A
- What is the typical output current of the NCP114ASN250T1G?
The typical output current is 300 mA. - What is the input voltage range for the NCP114ASN250T1G?
The input voltage range is from 1.7 V to 5.5 V. - What is the dropout voltage of the NCP114ASN250T1G at 300 mA?
The dropout voltage is 135 mV typical at 300 mA. - What is the Power Supply Rejection Ratio (PSRR) of the NCP114ASN250T1G?
The PSRR is over 75 dB at 1 kHz. - What protection mechanisms are included in the NCP114ASN250T1G?
The device includes output overload, short circuit, and thermal shutdown protection. - How does the enable pin function on the NCP114ASN250T1G?
The enable pin allows for device enable/disable and active discharge function. - What is the recommended input capacitor for the NCP114ASN250T1G?
A 1 μF Ceramic X5R or X7R capacitor is recommended. - What is the thermal shutdown temperature of the NCP114ASN250T1G?
The thermal shutdown temperature is 160°C typical. - What are the typical applications for the NCP114ASN250T1G?
The device is suitable for tablets, cellular phones, wireless devices, and other portable electronic devices. - How does the device handle reverse current conditions?
In cases where extended reverse current conditions can be anticipated, additional external protection may be required due to the inherent body diode of the PMOS pass transistor.
