Overview
The NCP170AMX330TCG is a part of the NCP170 series of CMOS low dropout (LDO) regulators produced by onsemi. This device is specifically designed for portable battery-powered applications that require ultra-low quiescent current, ensuring long battery life. The NCP170AMX330TCG features a fixed output voltage of 3.3V and can supply up to 150 mA of output current. It is available in a small 1 × 1 mm XDFN4 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Typical Value | Min | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage | 2.2 - 5.5 | 2.2 | 5.5 | V |
| Output Voltage | 3.3 | 3.234 | 3.366 | V |
| Output Current | 150 | - | - | mA |
| Quiescent Current | 0.5 | - | 0.9 | μA |
| Dropout Voltage | 170 | - | 240 | mV |
| Line Regulation | 0.05 | - | 0.20 | %/V |
| Load Regulation | 1 | -20 | 20 | mV |
| Power Supply Rejection Ratio (PSRR) | 30 | - | - | dB |
| Maximum Junction Temperature | - | - | 150 | °C |
Key Features
- Ultra-low quiescent current of typically 0.5 μA, ensuring long battery life.
- Low dropout voltage of typically 170 mV at 150 mA.
- High output voltage accuracy of ±1%.
- Stable operation with ceramic capacitors as small as 1 μF.
- Over-current protection and thermal shutdown protection for enhanced reliability.
- Dynamic transient boost feature for improved transient response in wireless communication applications.
- Chip enable pin (active high) for easy power management.
Applications
The NCP170AMX330TCG is suitable for a variety of portable battery-powered applications, including:
- Wireless communication devices such as smartphones, tablets, and IoT devices.
- Portable consumer electronics like MP3 players, GPS devices, and handheld games.
- Medical devices that require low power consumption and high reliability.
- Automotive systems where space and power efficiency are critical.
Q & A
- What is the typical quiescent current of the NCP170AMX330TCG?
The typical quiescent current is 0.5 μA. - What is the maximum output current of the NCP170AMX330TCG?
The maximum output current is 150 mA. - What is the output voltage of the NCP170AMX330TCG?
The output voltage is fixed at 3.3V. - What are the package options for the NCP170 series?
The NCP170 series is available in XDFN4, SOT-563, and TSOP-5 packages. - Does the NCP170AMX330TCG have over-current protection?
Yes, it includes over-current protection and thermal shutdown protection. - What is the typical dropout voltage at 150 mA?
The typical dropout voltage at 150 mA is 170 mV. - What is the power supply rejection ratio (PSRR) of the NCP170AMX330TCG?
The PSRR is typically 30 dB. - Is the NCP170AMX330TCG stable with ceramic capacitors?
Yes, it is stable with ceramic capacitors as small as 1 μF. - What is the maximum junction temperature for the NCP170AMX330TCG?
The maximum junction temperature is 150°C. - Does the NCP170AMX330TCG have a chip enable pin?
Yes, it has a chip enable pin (active high) for power management.
