Overview
The NCP301LSN45T1G is a second-generation ultra-low current voltage detector produced by onsemi. This device is specifically designed for use as a reset controller in portable microprocessor-based systems where extended battery life is crucial. It features a highly accurate undervoltage detector with hysteresis to prevent erratic system reset operations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detector Threshold (Pin 2, Vin Decreasing) | VDET− | 4.365 | 4.500 | 4.635 | V |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | VHYS | 0.225 | 0.315 | 0.405 | V |
| Supply Current (Pin 2) | Iin | 0.33 | 0.52 | 1.4 | μA |
| Maximum Operating Voltage (Pin 2) | Vin(max) | - | - | 10 | V |
| Minimum Operating Voltage (Pin 2) | Vin(min) | 0.55 | 0.65 | 0.80 | V |
| Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices) | IOUT | 0.01 | 1.0 | 2.0 | mA |
| Output Transition, High to Low | tpHL | - | - | 300 | ns |
| Output Transition, Low to High | tpLH | - | - | 300 | ns |
Key Features
- Quiescent Current of 0.5 μA Typical
- High Accuracy Undervoltage Threshold of 2.0%
- Wide Operating Voltage Range of 0.8 V to 10 V
- Open Drain N−Channel Output with Active Low Reset Output
- Specified Over the −40°C to +125°C Temperature Range
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
- Pb−Free and RoHS Compliant
Applications
- Microprocessor Reset Controller
- Low Battery Detection
- Power Fail Indicator
- Battery Backup Detection
Q & A
- What is the primary function of the NCP301LSN45T1G?
The NCP301LSN45T1G is primarily used as a reset controller in microprocessor-based systems to ensure stable operation during voltage fluctuations.
- What is the typical quiescent current of the NCP301LSN45T1G?
The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP301LSN45T1G?
The device operates within a voltage range of 0.8 V to 10 V.
- What types of output configurations are available for the NCP301 series?
The NCP301 series offers open drain N−Channel output with either active high or active low reset output.
- Is the NCP301LSN45T1G suitable for automotive applications?
- What is the temperature range for which the NCP301LSN45T1G is specified?
The device is specified over the −40°C to +125°C temperature range.
- What is the detector threshold hysteresis for the NCP301LSN45T1G?
The detector threshold hysteresis is between 0.225 V and 0.315 V.
- Is the NCP301LSN45T1G Pb−Free and RoHS compliant?
- What are some typical applications of the NCP301LSN45T1G?
- What is the maximum operating voltage for the NCP301LSN45T1G?
