Overview
The NCP114BMX180TCG 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) of over 75 dB at 1 kHz and excellent dynamic performance during load and line transients. It features a very low quiescent current of typically 50 μA and a standby current consumption of typically 0.1 μA, making it highly suitable for battery-powered applications such as tablets, cellular phones, and wireless devices.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Operating Input Voltage (VIN) | - | 1.7 | 5.5 | V |
| Output Voltage (VOUT) | 1.8 | - | - | V |
| Output Current (IOUT) | 300 | - | - | mA |
| Quiescent Current (IQ) | 50 | - | - | μA |
| Standby Current Consumption | 0.1 | - | - | μA |
| Dropout Voltage (VDO) | 135 | - | - | mV @ 300 mA |
| Power Supply Rejection Ratio (PSRR) | 75 dB @ 1 kHz | - | - | - |
| Enable Voltage (VEN) | 0.9 | 0.4 | - | V |
| Package Type | UDFN-4 (1.0x1.0) | - | - | - |
Key Features
- Low Quiescent Current: Typically 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, reducing power loss.
- Enable/Disable Function: Controlled by the EN pin, allowing for active discharge and low standby current.
- Overload and Short Circuit Protection: Internally limited output current and thermal shutdown for robust design.
- Compact Package: UDFN-4 (1.0x1.0) package, suitable for space-constrained applications.
Applications
- Battery-powered devices such as tablets and cellular phones.
- Wireless devices and IoT applications.
- Portable electronics requiring low power consumption and high efficiency.
- Automotive and industrial systems needing robust voltage regulation.
Q & A
- What is the typical output current of the NCP114BMX180TCG?
The typical output current is 300 mA.
- What is the quiescent current of the NCP114BMX180TCG?
The quiescent current is typically 50 μA.
- What is the dropout voltage of the NCP114BMX180TCG at 300 mA?
The dropout voltage is typically 135 mV at 300 mA.
- How is the enable/disable function controlled in the NCP114BMX180TCG?
The enable/disable function is controlled by the EN pin. If the EN pin voltage is less than 0.4 V, the device is disabled; if it is greater than 0.9 V, the device is enabled.
- What kind of protection does the NCP114BMX180TCG offer?
The device offers overload protection, short circuit protection, and thermal shutdown protection.
- What is the recommended input capacitor for the NCP114BMX180TCG?
A 1 μF Ceramic X5R or X7R capacitor is recommended for the input.
- What is the recommended output capacitor for the NCP114BMX180TCG?
A 1 μF X7R or X5R dielectric capacitor is recommended for the output.
- What is the package type of the NCP114BMX180TCG?
The package type is UDFN-4 (1.0x1.0).
- What are some common applications for the NCP114BMX180TCG?
Common applications include battery-powered devices, wireless devices, and portable electronics.
- How does the thermal shutdown feature work in the NCP114BMX180TCG?
The device disables when the die temperature exceeds the thermal shutdown threshold (typically 160°C) and re-enables when the temperature drops below the reset threshold (typically 140°C).
