Overview
The NCP114ASN330T2G is a high-performance, low dropout linear voltage regulator (LDO) produced by onsemi. This device is designed to deliver a fixed output voltage of 3.3V with a maximum current of 300 mA. It is particularly suited for battery-powered applications due to its very low quiescent current and excellent dynamic performance. The NCP114ASN330T2G features robust protection mechanisms, including output current limit, short circuit protection, and thermal shutdown, ensuring reliable operation in various environments.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Maximum Output Current | 300 | mA |
| Input Voltage Range | 1.7 to 5.5 | V |
| Quiescent Current | 50 | μA |
| Standby Current | 0.1 | μA |
| Dropout Voltage | 135 mV at 300 mA | mV |
| Power Supply Rejection Ratio (PSRR) | Over 75 dB at 1 kHz | dB |
| Thermal Shutdown Threshold | -160°C typical | °C |
| Package Type | TSOP-5 |
Key Features
- Low Dropout Voltage: Typical dropout voltage of 135 mV at 300 mA, ensuring efficient voltage regulation.
- Low Quiescent Current: Very low quiescent current of 50 μA and standby current of 0.1 μA, making it suitable for battery-powered devices.
- High PSRR: Excellent power supply rejection ratio of over 75 dB at 1 kHz, providing good noise rejection.
- Robust Protection: Features output current limit, short circuit protection, and thermal shutdown to prevent device failure.
- Enable Function: The EN pin allows for device enable/disable and active discharge control.
- Compact Package: Available in a TSOP-5 package, suitable for space-constrained designs.
Applications
The NCP114ASN330T2G is ideal for various battery-powered applications, including:
- Tablets and cellular phones
- Wireless devices
- Portable electronics
- IoT devices
- Other low-power, high-efficiency systems requiring stable voltage regulation.
Q & A
- What is the output voltage of the NCP114ASN330T2G? The output voltage is fixed at 3.3V.
- What is the maximum output current of the NCP114ASN330T2G? The maximum output current is 300 mA.
- What is the typical quiescent current of the NCP114ASN330T2G? The typical quiescent current is 50 μA.
- What is the dropout voltage of the NCP114ASN330T2G at 300 mA? The dropout voltage is typically 135 mV at 300 mA.
- Does the NCP114ASN330T2G have thermal protection? Yes, it features thermal shutdown to protect against overheating.
- How do I enable or disable the NCP114ASN330T2G? The device can be enabled or disabled using the EN pin.
- What type of capacitors are recommended for input and output decoupling? Ceramic X5R or X7R capacitors are recommended due to their low ESR and ESL.
- Can the NCP114ASN330T2G handle short circuit conditions? Yes, it has built-in short circuit protection.
- What is the typical turn-on time for the NCP114ASN330T2G? The turn-on time is typically 90 ms for VOUT = 1.2 V, COUT = 1 μF, IOUT = 1 mA, and TA = 25°C.
- What package type is the NCP114ASN330T2G available in? It is available in a TSOP-5 package.
