Overview
The NCP114ASN280T1G is a high-performance, low dropout linear voltage regulator produced by onsemi. This device is designed to deliver a fixed output voltage of 2.8V with a maximum output current of 300mA. It is particularly suited for battery-powered applications due to its very low quiescent current and excellent dynamic performance.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Output Voltage | 2.8 | V |
| Output Current | 300 | mA |
| Input Voltage Range | 1.7 to 5.5 | V |
| Quiescent Current | 50 | μA |
| Standby Current | 0.1 | μA |
| Dropout Voltage | 135 mV at 300 mA | mV |
| Power Supply Rejection Ratio (PSRR) | Over 75 dB at 1 kHz | dB |
| Thermal Shutdown Threshold | -160°C typical | °C |
| Output Current Limit | 600 mA typical | mA |
| Package Type | 5-TSOP |
Key Features
- Very low quiescent current of 50 μA typical and standby current of 0.1 μA typical, making it suitable for battery-powered applications.
- Low dropout voltage of 135 mV at 300 mA.
- High power supply rejection ratio (PSRR) of over 75 dB at 1 kHz.
- Internal output current limit and short circuit protection.
- Thermal shutdown protection to prevent overheating.
- Enable pin for device enable/disable and active discharge function.
- Recommended input and output capacitors (1 μF X5R or X7R) for stability and noise reduction.
Applications
The NCP114ASN280T1G is ideal for various battery-powered applications, including:
- Tablets and cellular phones.
- Wireless devices.
- Other portable electronic devices requiring low power consumption and high efficiency.
Q & A
- What is the output voltage of the NCP114ASN280T1G?
The output voltage is 2.8V. - What is the maximum output current of the NCP114ASN280T1G?
The maximum output current is 300mA. - What is the typical quiescent current of the NCP114ASN280T1G?
The typical quiescent current is 50 μA. - What is the dropout voltage of the NCP114ASN280T1G at 300 mA?
The dropout voltage is 135 mV typical at 300 mA. - Does the NCP114ASN280T1G have thermal shutdown protection?
Yes, it has thermal shutdown protection with a threshold of -160°C typical. - How does the enable pin function on the NCP114ASN280T1G?
The enable pin allows the device to be enabled or disabled and also controls the active discharge function. - What type of capacitors are recommended for input and output decoupling?
Ceramic X5R or X7R capacitors with a value of 1 μF are recommended. - What is the power supply rejection ratio (PSRR) of the NCP114ASN280T1G?
The PSRR is over 75 dB at 1 kHz. - Does the NCP114ASN280T1G have short circuit protection?
Yes, it has internal output current limit and short circuit protection. - What is the package type of the NCP114ASN280T1G?
The package type is 5-TSOP.
