Overview
The NCP114AMX125TCG is a high-performance 300 mA Low Dropout Linear Regulator (LDO) produced by onsemi. This device is designed to provide a very stable and accurate voltage output with low noise, making it suitable for space-constrained and noise-sensitive applications. The NCP114AMX125TCG features dynamic quiescent current adjustment, which optimizes its performance for battery-operated portable devices by minimizing power consumption at no-load conditions.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Operating Input Voltage (VIN) | 1.7 to 5.5 | V |
| Output Voltage (VOUT) | 1.25 | V |
| Output Current (IOUT) | 300 mA | mA |
| Low Dropout Voltage | 135 mV at 300 mA | mV |
| Quiescent Current (IQ) | 50 µA | µA |
| Power Supply Rejection Ratio (PSRR) | 75 dB at 1 kHz | dB |
| Output Voltage Accuracy | +/- 1% | % |
| Thermal Shutdown Threshold | 160°C typical | °C |
| Package Type | UDFN-4 (1.0x1.0 mm) |
Key Features
- Low Quiescent Current: Typical 50 µA, making it suitable for battery-powered applications.
- High PSRR: 75 dB at 1 kHz, ensuring excellent noise rejection.
- Low Dropout Voltage: 135 mV at 300 mA, minimizing voltage drop.
- Thermal Shutdown and Current Limit Protections: Protects the device from overheating and overcurrent conditions.
- Enable Function: Allows the device to be enabled or disabled via the EN pin, with an active discharge feature.
- Compact Package: Available in a small UDFN-4 package (1.0x1.0 mm), ideal for space-constrained designs.
Applications
- Smartphones and Tablets: Suitable for powering various components in mobile devices.
- Wireless Modules: Ideal for wireless handsets, Bluetooth, and ZigBee applications.
- Camera and Touchscreen Controllers: Provides stable voltage for camera modules and touchscreen controllers.
- MCU and Low Power FPGA Supply: Suitable for microcontrollers and low-power FPGA applications.
- Portable Devices: Applicable in various portable electronic devices requiring low power consumption.
- IP Cameras: Used in IP camera systems for stable and efficient power supply.
Q & A
- What is the typical quiescent current of the NCP114AMX125TCG?
The typical quiescent current is 50 µA.
- What is the operating input voltage range of the NCP114AMX125TCG?
The operating input voltage range is from 1.7 V to 5.5 V.
- What is the output voltage accuracy of the NCP114AMX125TCG?
The output voltage accuracy is +/- 1% typical.
- How does the enable function work on the NCP114AMX125TCG?
The device can be enabled or disabled via the EN pin. 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 thermal shutdown threshold of the NCP114AMX125TCG?
The thermal shutdown threshold is typically 160°C.
- What is the recommended output capacitor value for the NCP114AMX125TCG?
The recommended output capacitor value is 1 µF with an X7R or X5R dielectric.
- What is the maximum output current of the NCP114AMX125TCG?
The maximum output current is typically 300 mA.
- Does the NCP114AMX125TCG have short circuit protection?
- What is the package type of the NCP114AMX125TCG?
The device is available in a UDFN-4 package (1.0x1.0 mm).
- What are some common applications of the NCP114AMX125TCG?
