Overview
The NCP301LSN28T1G 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 to prevent erratic system reset operations. The NCP301 series includes an open drain N-Channel output with either an active high or active low reset output, making it versatile for various applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detector Threshold (Pin 2, Vin Decreasing) | VDET− | 2.744 | 2.8 | 2.856 | V |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | VHYS | 0.084 | 0.14 | 0.196 | V |
| Supply Current (Pin 2) | Iin | 0.25 | 0.5 | 1.3 | μA |
| Maximum Operating Voltage (Pin 2) | Vin(max) | 10 | V | ||
| Minimum Operating Voltage (Pin 2) | Vin(min) | 0.55 | 0.7 | 0.8 | V |
| Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices) | IOUT | 0.01 | 1.0 | 3.5 | mA |
| Propagation Delay Input to Output | tpHL/tpLH | 55 | 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 or Active High Reset Output
- Specified Over the −40°C to +125°C Temperature Range
- AEC-Q100 Qualified and PPAP Capable for Automotive and Other Applications
- 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 NCP301LSN28T1G? The primary function is to act as a reset controller in microprocessor-based systems.
- What is the typical quiescent current of the NCP301LSN28T1G? The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP301LSN28T1G? The operating voltage range is from 0.8 V to 10 V.
- What types of reset outputs are available for the NCP301 series? The NCP301 series offers both active low and active high reset outputs.
- Is the NCP301LSN28T1G suitable for automotive applications? Yes, it is AEC-Q100 qualified and PPAP capable.
- What is the temperature range for the NCP301LSN28T1G? The specified temperature range is from −40°C to +125°C.
- What is the detector threshold hysteresis for the NCP301LSN28T1G? The detector threshold hysteresis is between 0.084 V and 0.196 V.
- What is the maximum reset output current for the NCP301LSN28T1G? The maximum reset output current is up to 3.5 mA for active low devices.
- What is the propagation delay input to output for the NCP301LSN28T1G? The propagation delay is between 55 ns and 300 ns.
- Is the NCP301LSN28T1G Pb-Free and RoHS compliant? Yes, it is Pb-Free and RoHS compliant.
