Overview
The NCP170AMX280TCG is a part of the NCP170 series of CMOS low dropout regulators (LDOs) manufactured by ON Semiconductor. These regulators are specifically designed for portable battery-powered applications that require ultra-low quiescent current. The NCP170AMX280TCG ensures long battery life and features a dynamic transient boost to improve device transient response, particularly in wireless communication applications.
Key Specifications
| Parameter | Typical Value | Min | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage | - | 2.2 | 5.5 | V |
| Output Voltage | 2.8 | 2.772 | 2.828 | 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 |
| Thermal Shutdown Protection | - | - | 150 | °C |
| Package Type | XDFN4, SOT-563, TSOP-5 | - | - | - |
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 output current.
- 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 to improve device transient response, especially in wireless communication applications.
- Chip enable pin (Active “H”) for easy control.
- ESD protection with Human Body Model (HBM) and Machine Model (MM) tested per AEC-Q100 standards.
Applications
The NCP170AMX280TCG is suitable for a variety of applications, including:
- Portable battery-powered devices such as smartphones, tablets, and laptops.
- Wireless communication devices like Bluetooth and Wi-Fi modules.
- Internet of Things (IoT) devices requiring low power consumption.
- Medical devices and wearables that need efficient power management.
- Automotive electronics where low quiescent current is crucial.
Q & A
- What is the typical quiescent current of the NCP170AMX280TCG?
The typical quiescent current is 0.5 μA.
- What is the operating input voltage range of the NCP170AMX280TCG?
The operating input voltage range is from 2.2 V to 5.5 V.
- What is the output voltage of the NCP170AMX280TCG?
The output voltage is 2.8 V.
- What is the maximum output current of the NCP170AMX280TCG?
The maximum output current is 150 mA.
- Does the NCP170AMX280TCG have over-current protection?
Yes, it has over-current protection.
- What types of packages are available for the NCP170AMX280TCG?
The device is available in XDFN4, SOT-563, and TSOP-5 packages.
- What is the thermal shutdown protection temperature for the NCP170AMX280TCG?
The thermal shutdown protection temperature is 150°C.
- Does the NCP170AMX280TCG have ESD protection?
Yes, it has ESD protection tested per AEC-Q100 standards.
- What is the power supply rejection ratio (PSRR) of the NCP170AMX280TCG?
The PSRR is typically 30 dB.
- What are some common applications for the NCP170AMX280TCG?
Common applications include portable battery-powered devices, wireless communication devices, IoT devices, medical devices, and automotive electronics.
