Overview
The NCP170AMX180TCG is a part of the NCP170 series of CMOS low dropout regulators (LDOs) designed by onsemi. This device is specifically tailored for portable battery-powered applications that require ultra-low quiescent current. The NCP170AMX180TCG ensures long battery life due to its ultra-low quiescent current of typically 500 nA. It also features a dynamic transient boost, which enhances the device's transient response, particularly beneficial for wireless communication applications.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Operating Input Voltage | - | 2.2 | 5.5 | V |
| Output Voltage | 1.8 | 1.764 | 1.836 | V |
| Quiescent Current | 0.5 μA | - | 0.9 μA | μA |
| Dropout Voltage | 170 mV | - | 240 mV | mV |
| Output Current | - | - | 150 mA | mA |
| Line Regulation | 0.05 %/V | - | 0.20 %/V | %/V |
| Load Regulation | 1 mV | -20 mV | 20 mV | mV |
| Power Supply Rejection Ratio (PSRR) | 57 dB | - | - | dB |
| Thermal Resistance (Junction-to-Air) | 250 °C/W | - | - | °C/W |
| Maximum Junction Temperature | - | - | 150 °C | °C |
Key Features
- Ultra-low quiescent current of typically 500 nA, ensuring long battery life.
- Dynamic transient boost feature to improve device transient response, especially for wireless communication applications.
- Low dropout voltage of 170 mV at 150 mA output current.
- High output voltage accuracy of ±1%.
- Stable operation with ceramic capacitors of 1 μF.
- Over-current protection and thermal shutdown protection for enhanced reliability.
- Chip enable pin (active high) for easy control.
- Available in small packages: 1 × 1 mm XDFN4, SOT-563, and TSOP-5.
Applications
The NCP170AMX180TCG is suitable for a variety of applications, including:
- Portable battery-powered devices such as smartphones, tablets, and handheld gaming consoles.
- Wireless communication devices, including Bluetooth and Wi-Fi modules.
- IoT devices that require low power consumption and high efficiency.
- Medical devices, such as portable diagnostic equipment and wearable health monitors.
- Consumer electronics, including GPS devices, MP3 players, and digital cameras.
Q & A
- What is the typical quiescent current of the NCP170AMX180TCG?
The typical quiescent current is 500 nA.
- What is the output voltage range of the NCP170 series?
The output voltage range is from 1.2 V to 3.6 V in 0.1 V steps.
- What is the maximum output current of the NCP170AMX180TCG?
The maximum output current is 150 mA.
- What is the dropout voltage at 150 mA output current?
The dropout voltage is typically 170 mV at 150 mA output current.
- Does the NCP170AMX180TCG have over-current and thermal protection?
- What are the available package options for the NCP170AMX180TCG?
The device is available in 1 × 1 mm XDFN4, SOT-563, and TSOP-5 packages.
- What is the operating input voltage range of the NCP170AMX180TCG?
The operating input voltage range is from 2.2 V to 5.5 V.
- How accurate is the output voltage of the NCP170AMX180TCG?
The output voltage accuracy is ±1%.
- What is the power supply rejection ratio (PSRR) of the NCP170AMX180TCG?
The PSRR is typically 57 dB at 1 kHz.
- Is the NCP170AMX180TCG stable with ceramic capacitors?
