Overview
The NCP115ASN330T2G is a 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 applications, featuring dynamic quiescent current adjustment to achieve very low IQ consumption at no-load. The NCP115 is available in both XDFN-4 and TSOP-5 packages, offering flexibility in design and integration.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage (VIN) | 1.7 | 5.5 | V | |
| Output Voltage (VOUT) | 0.8 | 3.6 | V | |
| Output Current (IOUT) | 300 | mA | ||
| Quiescent Current (IQ) | 50 | μA | ||
| Dropout Voltage (VDO) @ 300 mA, VOUT = 2.8 V | 250 | 320 | mV | |
| Output Voltage Accuracy @ Room Temperature | ±1% | |||
| Power Supply Ripple Rejection (PSRR) @ 1 kHz | 70 | dB | ||
| Thermal Shutdown and Current Limit Protections | Yes | |||
| Package Options | XDFN-4, TSOP-5 |
Key Features
- Very low quiescent current of typical 50 μA, optimized for battery-operated applications.
- Soft start feature with two VOUT slew rate speed options, suitable for sensitive devices like camera sensors.
- Standby current consumption as low as typical 0.1 μA.
- High power supply ripple rejection (PSRR) of 70 dB at 1 kHz.
- Thermal shutdown and current limit protections for enhanced reliability.
- Available in fixed voltage options from 0.8 V to 3.6 V, with other voltage options available upon request.
- Stable operation with a 1 μF ceramic output capacitor.
Applications
- PDAs, mobile phones, GPS, smartphones.
- Wireless handsets, wireless LAN, Bluetooth®, Zigbee®.
- Portable medical equipment.
- Touchscreen controller supply, wireless module, camera supply module.
- MCU and low power FPGA supply.
- IoT battery-powered wireless sensor nodes, IP cameras, IoT sensors for smart homes and smart cities.
Q & A
- What is the maximum output current of the NCP115?
The maximum output current of the NCP115 is 300 mA.
- What is the typical quiescent current of the NCP115?
The typical quiescent current of the NCP115 is 50 μA.
- What are the available package options for the NCP115?
The NCP115 is available in XDFN-4 and TSOP-5 packages.
- What is the power supply ripple rejection (PSRR) of the NCP115 at 1 kHz?
The PSRR of the NCP115 at 1 kHz is 70 dB.
- Does the NCP115 have thermal shutdown and current limit protections?
Yes, the NCP115 includes thermal shutdown and current limit protections.
- What is the typical dropout voltage of the NCP115 at 300 mA and VOUT = 2.8 V?
The typical dropout voltage at these conditions is 250 mV.
- What is the output voltage accuracy of the NCP115 at room temperature?
The output voltage accuracy is ±1% at room temperature.
- Can the NCP115 be used in battery-operated portable applications?
Yes, the NCP115 is optimized for battery-operated portable applications with dynamic quiescent current adjustment.
- What types of capacitors are recommended for stable operation of the NCP115?
The NCP115 is stable with a 1 μF ceramic output capacitor.
- Are there different slew rate options for the NCP115?
Yes, the NCP115 offers two VOUT slew rate speed options, including a slower option suitable for sensitive devices.
