Overview
The NCP3230MNTXG is part of the NCP302 and NCP303 series of ultra-low current voltage detectors produced by onsemi. These devices are designed for use as reset controllers in portable microprocessor-based systems, where extended battery life is crucial. The NCP3230MNTXG features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator, which prevents erratic system reset operations.
Key Specifications
| Characteristic | Unit | Min | Max | |
|---|---|---|---|---|
| Input Power Supply Voltage (Pin 2) | V | 0.55 | 10 | 10 |
| Quiescent Current | μA | 0.20 | 0.5 | 1.3 |
| Detector Threshold (Pin 2, Vin Decreasing) | V | 3.920 | 4.0 | 4.080 |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | V | 0.120 | 0.200 | 0.280 |
| Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices) | mA | 0.01 | 1.0 | 2.0 |
| Delay Capacitor Pin Threshold Voltage (Pin 5) | V | 1.49 | 2.01 | 2.53 |
| Operating Ambient Temperature Range | °C | -40 | - | 125 |
Key Features
- Ultra-low quiescent current of 0.5 μA typical
- High accuracy undervoltage threshold with 2.0% tolerance
- Externally programmable time delay generator
- Wide operating voltage range of 0.8 V to 10 V
- Complementary or open drain output configurations
- Active low or active high reset options
- Specified over the -40°C to +125°C temperature range
Applications
The NCP3230MNTXG is ideal for use in portable microprocessor-based systems, such as handheld devices, smartphones, and other battery-powered equipment. It is also suitable for automotive and industrial applications where reliable voltage monitoring and reset control are essential.
Q & A
- What is the primary function of the NCP3230MNTXG?
The primary function of the NCP3230MNTXG is to act as a reset controller in microprocessor-based systems, ensuring reliable operation by monitoring the input voltage and generating a reset signal if the voltage falls below a specified threshold.
- What is the quiescent current of the NCP3230MNTXG?
The quiescent current of the NCP3230MNTXG is typically 0.5 μA.
- What is the operating voltage range of the NCP3230MNTXG?
The operating voltage range of the NCP3230MNTXG is from 0.8 V to 10 V.
- Can the time delay be programmed externally?
- What types of reset outputs are available?
The NCP3230MNTXG offers both active low and active high reset output configurations.
- What is the temperature range for the NCP3230MNTXG?
The NCP3230MNTXG is specified to operate over the -40°C to +125°C temperature range.
- Is the NCP3230MNTXG suitable for automotive applications?
- What is the detector threshold hysteresis?
The detector threshold hysteresis is between 0.120 V and 0.280 V, depending on the voltage option.
- How does the NCP3230MNTXG prevent erratic system reset operations?
The NCP3230MNTXG prevents erratic system reset operations through its combination of a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator.
- What is the maximum output current of the NCP3230MNTXG?
The maximum output current for active low devices is up to 2.0 mA, and for active high devices, it is up to 11 mA.
- What is the storage temperature range for the NCP3230MNTXG?
The storage temperature range for the NCP3230MNTXG is -55°C to +150°C.
