Overview
The NCP170AMX150TCG is a low dropout (LDO) voltage regulator from onsemi, designed for portable battery-powered applications that require ultra-low quiescent current. This regulator is part of the NCP170 series, which is optimized for long battery life and features a dynamic transient boost for improved transient response, particularly in wireless communication applications. The device is available in compact packages such as XDFN4, SOT-563, and TSOP-5, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Operating Input Voltage | 2.2 to 5.5 | 2.2 | 5.5 | V |
| Output Voltage | 1.5 V (for this specific model) | 1.470 | 1.530 | V |
| Output Current | 150 | - | - | mA |
| Quiescent Current | 0.5 µA | - | 0.9 µA | µA |
| Dropout Voltage | 170 mV at 150 mA | - | 240 mV | mV |
| Line Regulation | 0.05 to 0.20 %/V | - | - | %/V |
| Load Regulation | -20 to 20 mV | - | - | mV |
| Power Supply Rejection Ratio (PSRR) | 57 dB at 1 kHz | - | - | dB |
| Maximum Junction Temperature | - | - | 150 | °C |
| Storage Temperature | -55 to 150 | -55 | 150 | °C |
Key Features
- Ultra-Low Quiescent Current: Typical quiescent current of 0.5 µA, ensuring long battery life.
- Low Dropout Voltage: Typical dropout voltage of 170 mV at 150 mA.
- High Output Voltage Accuracy: ±1% output voltage accuracy.
- Stable with Ceramic Capacitors: Stable operation with 1 µF ceramic capacitors.
- Over-Current Protection and Thermal Shutdown Protection: Built-in protection mechanisms for safe operation.
- Dynamic Transient Boost: Improves transient response, especially in wireless communication applications.
- Compact Packages: Available in XDFN4, SOT-563, and TSOP-5 packages.
Applications
The NCP170AMX150TCG is ideal for portable battery-powered devices, including but not limited to:
- Wireless communication devices
- Mobile phones and tablets
- Portable audio and video players
- Wearable electronics
- IoT devices
Q & A
- What is the operating input voltage range of the NCP170AMX150TCG?
The operating input voltage range is from 2.2 V to 5.5 V. - What is the typical quiescent current of the NCP170AMX150TCG?
The typical quiescent current is 0.5 µA. - What is the maximum output current of the NCP170AMX150TCG?
The maximum output current is 150 mA. - What is the dropout voltage at 150 mA?
The typical dropout voltage at 150 mA is 170 mV. - Does the NCP170AMX150TCG have built-in protection mechanisms?
Yes, it has over-current protection and thermal shutdown protection. - What type of capacitors can be used with the NCP170AMX150TCG for stable operation?
It is stable with 1 µF ceramic capacitors. - What is the power supply rejection ratio (PSRR) of the NCP170AMX150TCG?
The PSRR is typically 57 dB at 1 kHz. - What are the typical package options for the NCP170AMX150TCG?
The device is available in XDFN4, SOT-563, and TSOP-5 packages. - What is the maximum junction temperature for the NCP170AMX150TCG?
The maximum junction temperature is 150 °C. - What are some common applications for the NCP170AMX150TCG?
Common applications include wireless communication devices, mobile phones, portable audio and video players, wearable electronics, and IoT devices.
