Overview
The NCP114BMX150TCG 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 NCP114BMX150TCG features 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 | Unit |
|---|---|---|
| Output Voltage | 1.5 | V |
| Output Current | 300 | mA |
| Number of Outputs | 1 | |
| Polarity | Positive | |
| Operating Input Voltage | 1.7 to 5.5 | V |
| Quiescent Current | 50 μA | |
| Standby Current Consumption | 0.1 μA | |
| Low Dropout Voltage | 135 mV at 300 mA | |
| PSRR at 1 kHz | Over 75 dB | |
| Output Current Limit | 600 mA typical | |
| Thermal Shutdown Threshold | -160°C typical |
Key Features
- Very low quiescent current of 50 μA and standby current consumption of 0.1 μA, making it ideal 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.
- Robust protection features including output overload, short circuit, and thermal shutdown protection.
- Enable/disable function with active discharge capability.
- Recommended input and output capacitors (1 μF X5R or X7R) for stable operation.
Applications
The NCP114BMX150TCG is suitable for a variety of 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 typical output voltage of the NCP114BMX150TCG?
The typical output voltage is 1.5 V. - What is the maximum output current of the NCP114BMX150TCG?
The maximum output current is 300 mA. - What is the quiescent current of the NCP114BMX150TCG?
The quiescent current is typically 50 μA. - What is the dropout voltage of the NCP114BMX150TCG at 300 mA?
The dropout voltage is typically 135 mV at 300 mA. - Does the NCP114BMX150TCG have thermal shutdown protection?
Yes, it has thermal shutdown protection with a typical threshold of -160°C. - How does the enable/disable function work on the NCP114BMX150TCG?
The device can be enabled/disabled using the EN pin. 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 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 NCP114BMX150TCG?
The PSRR is over 75 dB at 1 kHz. - Is the NCP114BMX150TCG protected against short circuits?
Yes, it has short circuit protection that limits the output current to 630 mA (typical). - What is the turn-on time of the NCP114BMX150TCG?
The turn-on time is typically 90 ms for VOUT = 1.2 V, COUT = 1 μF, IOUT = 1 mA, and TA = 25°C.
