Overview
The NCP303LSN30T1 is a second-generation ultra-low current voltage detector from onsemi, designed for use as a reset controller in portable microprocessor-based systems where extended battery life is crucial. This device 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 |
|---|---|---|---|---|
| Detector Threshold (VDET−) | V | 3.0 | 2.940 | 3.060 |
| Detector Threshold Hysteresis (VHYS) | V | 0.090 | 0.075 | 0.105 |
| Supply Current (Iin) | μA | 0.25 | 0.20 | 0.30 |
| Output Voltage (VOUT) | V | - | -0.3 | Vin + 0.3 |
| Output Current (IOUT) - Active Low | mA | - | 0.01 | 2.0 |
| Operating Temperature Range | °C | - | -40 | 125 |
| Maximum Operating Voltage (Vin) | V | - | - | 10 |
| Minimum Operating Voltage (Vin) | V | - | 0.70 | - |
| Delay Capacitor Pin Threshold Voltage (VTCD) | V | 2.01 | 1.49 | 2.53 |
Key Features
- Ultra-low current consumption of 0.5 μA typical.
- High accuracy undervoltage detector with hysteresis.
- Externally programmable time delay generator.
- Wide operating voltage range from 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 NCP303LSN30T1 is designed 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 high reliability and extended battery life.
Q & A
- What is the primary function of the NCP303LSN30T1?
The primary function of the NCP303LSN30T1 is to act as a reset controller in microprocessor-based systems, ensuring reliable system reset operations.
- What is the typical supply current of the NCP303LSN30T1?
The typical supply current of the NCP303LSN30T1 is 0.25 μA.
- What is the operating temperature range of the NCP303LSN30T1?
The operating temperature range of the NCP303LSN30T1 is -40°C to +125°C.
- What type of output does the NCP303LSN30T1 have?
The NCP303LSN30T1 has an open drain N-Channel output with an active low reset.
- How is the time delay programmable in the NCP303LSN30T1?
The time delay in the NCP303LSN30T1 is programmable using an external capacitor connected to the delay capacitor pin.
- What is the maximum operating voltage for the NCP303LSN30T1?
The maximum operating voltage for the NCP303LSN30T1 is 10 V.
- What is the detector threshold hysteresis of the NCP303LSN30T1?
The detector threshold hysteresis of the NCP303LSN30T1 is 0.090 V.
- Is the NCP303LSN30T1 suitable for automotive applications?
Yes, the NCP303LSN30T1 is suitable for automotive and other applications requiring unique site and control change requirements.
- What is the minimum operating voltage for the NCP303LSN30T1?
The minimum operating voltage for the NCP303LSN30T1 is 0.70 V.
- How does the NCP303LSN30T1 prevent erratic system reset operations?
The NCP303LSN30T1 prevents erratic system reset operations through its highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator.
