Overview
The NCP303LSN23T1G is a part of the NCP303 series, which are second-generation ultra-low current voltage detectors with programmable time delay generators. These devices are designed for use as reset controllers in portable microprocessor-based systems, where extended battery life is crucial. The NCP303 series features an open drain N-Channel output with an active low reset output, making them highly suitable for applications requiring precise voltage monitoring and delayed reset signals.
Key Specifications
| Characteristic | Unit | Min | Max | |
|---|---|---|---|---|
| Input Power Supply Voltage (Vin) | V | 0.8 | - | 10 |
| Detector Threshold (VDET-) | V | 2.254 | 2.3 | 2.346 |
| Detector Threshold Hysteresis (VHYS) | V | 0.069 | 0.115 | 0.161 |
| Supply Current (Iin) | μA | 0.23 | 0.48 | 0.7 |
| Output Current (IOUT) | mA | - | - | 70 |
| Delay Capacitor Pin Voltage (VCD) | V | -0.3 | - | Vin + 0.3 |
| Delay Capacitor Pin Sink Current (ICD) | μA | 2.0 | 200 | 3600 |
| Operating Ambient Temperature Range | °C | -40 | - | 125 |
| Storage Temperature Range | °C | -55 | - | 150 |
Key Features
- Quiescent Current of 0.5 μA typical, ensuring ultra-low power consumption.
- High accuracy undervoltage threshold with a tolerance of 2.0%.
- Externally programmable time delay generator, allowing for customizable reset timing.
- Wide operating voltage range from 0.8 V to 10 V, making it versatile for various applications.
- Open drain N-Channel output with active low reset output.
- Complementary output configuration available in other models of the series.
Applications
The NCP303LSN23T1G is particularly suited for use in portable microprocessor-based systems where extended battery life is essential. These include handheld devices, mobile phones, tablets, and other battery-powered electronics that require precise voltage monitoring and delayed reset signals to prevent erratic system reset operations.
Q & A
- What is the primary function of the NCP303LSN23T1G? The primary function is to act as a reset controller with a programmable time delay generator in microprocessor-based systems.
- What is the typical quiescent current of the NCP303LSN23T1G? The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP303LSN23T1G? The operating voltage range is from 0.8 V to 10 V.
- What type of output does the NCP303LSN23T1G have? The NCP303LSN23T1G has an open drain N-Channel output with an active low reset output.
- How is the time delay programmable? The time delay is programmable using an external capacitor connected to the delay capacitor pin.
- What is the detector threshold hysteresis for the NCP303LSN23T1G? The detector threshold hysteresis (VHYS) is between 0.069 V and 0.161 V.
- What is the maximum output current of the NCP303LSN23T1G? The maximum output current (IOUT) is 70 mA.
- What is the operating ambient temperature range for the NCP303LSN23T1G? The operating ambient temperature range is from -40°C to 125°C.
- What is the storage temperature range for the NCP303LSN23T1G? The storage temperature range is from -55°C to 150°C.
- What are some common applications for the NCP303LSN23T1G? Common applications include handheld devices, mobile phones, tablets, and other battery-powered electronics.
