Overview
The NCP114ASN150T1G is a high-performance, low dropout linear voltage regulator produced by onsemi. This device is designed to deliver a fixed output voltage of 1.5V with a maximum output current of 300mA. It is particularly suited for battery-powered applications due to its very low quiescent current and excellent dynamic performance.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Operating Input Voltage (VIN) | 1.7 to 5.5 | V |
| Output Voltage (VOUT) | 1.5 | V |
| Output Current (IOUT) | 300 | mA |
| Quiescent Current (Iq) | 50 | μA |
| Voltage Dropout (VDO) | 135 mV @ 300 mA | mV |
| Power Supply Rejection Ratio (PSRR) | 75 dB @ 1 kHz | dB |
| Thermal Shutdown Threshold | -160°C | °C |
| Enable Threshold Voltage | 0.9 V | V |
| Package Type | TSOP-5 |
Key Features
- Very low quiescent current of typically 50 μA and standby current of 0.1 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.
- Internal current limit and short circuit protection.
- Thermal shutdown protection to prevent overheating.
- Active discharge function when the device is disabled.
- Low noise operation with an output noise of 8 μVRMS.
Applications
The NCP114ASN150T1G is ideal for various battery-powered applications, including tablets, cellular phones, wireless devices, and other portable electronics. Its high PSRR, low quiescent current, and robust protection features make it a reliable choice for systems requiring stable and efficient voltage regulation.
Q & A
- What is the typical output voltage of the NCP114ASN150T1G?
The typical output voltage is 1.5V. - What is the maximum output current of the NCP114ASN150T1G?
The maximum output current is 300 mA. - What is the quiescent current of the NCP114ASN150T1G?
The quiescent current is typically 50 μA. - What is the dropout voltage of the NCP114ASN150T1G at 300 mA?
The dropout voltage is typically 135 mV at 300 mA. - What is the power supply rejection ratio (PSRR) of the NCP114ASN150T1G?
The PSRR is over 75 dB at 1 kHz. - Does the NCP114ASN150T1G have thermal shutdown protection?
Yes, it has thermal shutdown protection with a threshold of -160°C. - How does the enable/disable function work on the NCP114ASN150T1G?
The device is enabled when the EN pin voltage is greater than 0.9 V and disabled when the EN pin voltage is less than 0.4 V. - What type of capacitors are recommended for input and output decoupling?
Ceramic X5R or X7R capacitors are recommended for both input and output decoupling. - What is the package type of the NCP114ASN150T1G?
The package type is TSOP-5. - What are some typical applications for the NCP114ASN150T1G?
Typical applications include tablets, cellular phones, wireless devices, and other portable electronics.
