Overview
The NCP114ASN080T1G is a high-performance 300 mA Low Dropout Linear Regulator (LDO) produced by onsemi. This device is designed to provide a very stable, accurate voltage with low noise, making it suitable for space-constrained, noise-sensitive applications. It is particularly optimized for battery-operated portable devices, featuring dynamic quiescent current adjustment to minimize power consumption at no-load conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage (VIN) | 1.7 | - | 5.5 | V |
| Output Voltage (VOUT) | - | 0.8 | - | V |
| Output Current (IOUT) | - | 300 | - | mA |
| Low Dropout Voltage | - | 135 mV | - | 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 | - | °C |
| Package Type | - | TSOP-5 / SOT-23-5 | - | - |
Key Features
- Very low quiescent current of typically 50 μA, 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.
- Thermal shutdown and current limit protections to prevent device failure.
- Active discharge function through the EN pin, allowing the output voltage to be pulled to GND when the device is disabled.
- Dynamic quiescent current adjustment for low power consumption at no-load conditions.
- Available in compact uDFN and TSOP-5/SOT-23-5 packages.
Applications
- Touchscreen controller supply
- Wireless modules
- Camera supply modules
- Microcontroller (MCU) and low-power FPGA supply
- Smartphones and tablets
- Portable devices
- Wireless handsets
- IP Cameras
Q & A
- What is the typical quiescent current of the NCP114ASN080T1G? The typical quiescent current is 50 μA.
- What is the low dropout voltage of the NCP114ASN080T1G at 300 mA? The low dropout voltage is typically 135 mV.
- What is the Power Supply Rejection Ratio (PSRR) of the NCP114ASN080T1G at 1 kHz? The PSRR is over 75 dB at 1 kHz.
- What are the thermal protection features of the NCP114ASN080T1G? The device features thermal shutdown and current limit protections.
- How does the active discharge function work on the NCP114ASN080T1G? The active discharge function pulls the output voltage to GND through a 100 Ω resistor when the device is disabled via the EN pin.
- What is the recommended input capacitor for the NCP114ASN080T1G? A 1 μF Ceramic X5R or X7R capacitor is recommended.
- What is the maximum output current of the NCP114ASN080T1G? The maximum output current is internally limited to typically 600 mA.
- What are the operating temperature ranges for the NCP114ASN080T1G? The device operates from -40°C to 85°C.
- What package types are available for the NCP114ASN080T1G? The device is available in TSOP-5 / SOT-23-5 packages.
- What are some common applications for the NCP114ASN080T1G? Common applications include smartphones, tablets, wireless modules, and camera supply modules.
- How does the dynamic quiescent current adjustment benefit the NCP114ASN080T1G? The dynamic quiescent current adjustment minimizes power consumption at no-load conditions, making it suitable for battery-powered applications.
