Overview
The NCP114BMX300TCG is a high-performance 300 mA Low Dropout Linear Regulator (LDO) produced by onsemi. This device is designed to deliver high power supply rejection ratio (PSRR) and excellent dynamic performance, making it suitable for various battery-powered applications. The NCP114 features very low quiescent current, robust protection mechanisms, and a compact package, making it ideal for use in tablets, cellular phones, wireless devices, and other portable electronics.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Operating Input Voltage (VIN) | - | 1.7 | 5.5 | V |
| Output Voltage (VOUT) | - | - | - | V (dependent on model, e.g., 3.0V for NCP114BMX300TCG) |
| Output Current (IOUT) | 300 mA | - | - | mA |
| Quiescent Current | 50 μA | - | - | μA |
| Standby Current Consumption | 0.1 μA | - | - | μA |
| Dropout Voltage (VDO) | 135 mV at 300 mA | - | - | mV |
| Power Supply Rejection Ratio (PSRR) | 75 dB at 1 kHz | - | - | dB |
| Operating Temperature Range | - | -40°C | 85°C | °C |
| Thermal Shutdown Threshold | - | - | 160°C typical | °C |
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, minimizing voltage drop.
- Robust Protection: Includes output overload protection, short circuit protection, and thermal shutdown.
- Enable/Disable Function: EN pin allows for device enable/disable and active discharge control.
- Compact Package: Available in TSOP-5 and UDFN4 packages, suitable for space-constrained designs.
Applications
- Battery-powered devices such as tablets and cellular phones.
- Wireless and IoT devices.
- Portable electronics requiring low power consumption and high efficiency.
- Automotive and industrial applications where robustness and reliability are crucial.
Q & A
- What is the typical quiescent current of the NCP114BMX300TCG?
The typical quiescent current is 50 μA.
- What is the maximum output current of the NCP114BMX300TCG?
The maximum output current is 300 mA.
- What is the dropout voltage of the NCP114BMX300TCG at 300 mA?
The dropout voltage is 135 mV typical at 300 mA.
- What is the power supply rejection ratio (PSRR) of the NCP114BMX300TCG?
The PSRR is over 75 dB at 1 kHz.
- What protection mechanisms are included in the NCP114BMX300TCG?
The device includes output overload protection, short circuit protection, and thermal shutdown.
- How does the enable/disable function work on the NCP114BMX300TCG?
The EN pin allows for device enable/disable and active discharge control. If the EN pin voltage is < 0.4 V, the device is disabled, and if it is > 0.9 V, the device is enabled.
- What is the recommended input capacitor for the NCP114BMX300TCG?
A 1 μF Ceramic X5R or X7R capacitor is recommended to be connected as close as possible to the IN pin.
- What is the recommended output capacitor for the NCP114BMX300TCG?
A 1 μF X7R or X5R capacitor is recommended to be connected as close as possible to the output pin.
- What is the thermal shutdown threshold of the NCP114BMX300TCG?
The thermal shutdown threshold is typically 160°C.
- What are the typical turn-on and turn-off times for the NCP114BMX300TCG?
The turn-on time is typically 90 ms for VOUT = 1.2 V, COUT = 1 μF, IOUT = 1 mA, and TA = 25°C.
