Overview
The NCP303LSN16T1G is a part of the NCP303 series, which are second-generation 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 NCP303 series features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator, preventing erratic system reset operations.
Key Specifications
| Characteristic | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Input Power Supply Voltage (Pin 2) | V | - | 0.8 | 10 |
| Detector Threshold (Pin 2, Vin Decreasing) | V | 1.6 | 1.56 | 1.64 |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | V | 0.06 | 0.054 | 0.066 |
| Quiescent Current (Pin 2) | μA | 0.23 | 0.2 | 0.3 |
| Reset Output Current (Pin 1, Active Low) | mA | 1.0 | 0.01 | 2.0 |
| Operating Ambient Temperature Range | °C | - | -40 | 125 |
| Delay Capacitor Pin Threshold Voltage (Pin 5) | V | 1.34 | 0.99 | 1.68 |
| Delay Pullup Resistance (Pin 5) | MΩ | 1.0 | 0.5 | 2.0 |
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
- Open drain N-Channel output with active low reset
- Specified over the -40°C to +125°C temperature range
- Complementary output configuration available in other models of the series
Applications
The NCP303LSN16T1G is ideal for use in portable microprocessor-based systems, such as handheld devices, battery-powered equipment, and other applications where low power consumption and reliable reset functionality are essential. It is also suitable for automotive and industrial applications requiring robust voltage monitoring and reset control.
Q & A
- What is the primary function of the NCP303LSN16T1G? The primary function is to act as a reset controller in microprocessor-based systems, ensuring reliable system operation by monitoring the voltage and generating a reset signal when necessary.
- What is the typical quiescent current of the NCP303LSN16T1G? The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP303LSN16T1G? The operating voltage range is from 0.8 V to 10 V.
- How is the time delay in the NCP303LSN16T1G programmed? The time delay is externally programmable using a capacitor connected to the delay pin.
- What type of output does the NCP303LSN16T1G have? The NCP303LSN16T1G has an open drain N-Channel output with an active low reset.
- What is the temperature range for the NCP303LSN16T1G? The device is specified over the -40°C to +125°C temperature range.
- What is the detector threshold hysteresis for the NCP303LSN16T1G? The detector threshold hysteresis is typically 0.06 V.
- Can the NCP303LSN16T1G be used in automotive applications? Yes, it can be used in automotive and other applications requiring unique site and control change requirements.
- How does the NCP303LSN16T1G prevent erratic system reset operations? It prevents erratic system reset operations through its highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator.
- What is the maximum junction temperature for the NCP303LSN16T1G? The maximum junction temperature is +150°C.
