Overview
The NCP170BMX330TCG 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 demand ultra-low quiescent current to ensure long battery life. The NCP170BMX330TCG features a fixed output voltage of 3.3V and is available in a compact 1 × 1 mm XDFN4 package.
Key Specifications
| Parameter | Typical Value | Min Value | Max Value | Unit |
|---|---|---|---|---|
| Operating Input Voltage | - | 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 | mV |
| Line Regulation | 0.05 | - | 0.20 | %/V |
| Load Regulation | 1 | -20 | 20 | mV |
| Power Supply Rejection Ratio (PSRR) | 30 | - | - | dB |
| Thermal Resistance (Junction-to-Air) | 250 | - | - | °C/W |
| Maximum Junction Temperature | - | - | 150 | °C |
Key Features
- Ultra-low quiescent current of typically 0.5 μA, ensuring long battery life in portable applications.
- 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, particularly beneficial for wireless communication applications.
- Compact 1 × 1 mm XDFN4 package, along with SOT-563 and TSOP-5 options.
- EN pin for chip enable/disable functionality.
Applications
- Portable battery-powered devices such as smartphones, tablets, and handheld gaming consoles.
- Wireless communication devices including Bluetooth and Wi-Fi modules.
- IoT devices requiring low power consumption and high efficiency.
- Wearable electronics such as smartwatches and fitness trackers.
- Low-power microcontroller and sensor systems.
Q & A
- What is the typical quiescent current of the NCP170BMX330TCG?
The typical quiescent current is 0.5 μA.
- What is the maximum output current of the NCP170BMX330TCG?
The maximum output current is 150 mA.
- What is the dropout voltage of the NCP170BMX330TCG at 150 mA output current?
The dropout voltage is typically 170 mV.
- What is the operating input voltage range of the NCP170BMX330TCG?
The operating input voltage range is from 2.2 V to 5.5 V.
- What type of capacitors are recommended for stable operation?
Ceramic capacitors as small as 1 μF are recommended.
- Does the NCP170BMX330TCG have over-current and thermal protection?
- What is the package type of the NCP170BMX330TCG?
The NCP170BMX330TCG is available in a 1 × 1 mm XDFN4 package, among other options.
- What is the purpose of the EN pin on the NCP170BMX330TCG?
The EN pin is used to enable or disable the chip.
- What is the maximum junction temperature of the NCP170BMX330TCG?
The maximum junction temperature is 150°C.
- What is the thermal resistance (Junction-to-Air) of the NCP170BMX330TCG in the XDFN4 package?
The thermal resistance is 250°C/W.
