Overview
The NCP301LSN22T1G is a part of the NCP301 series of ultra-low current voltage detectors produced by Onsemi. These devices are specifically designed for use as reset controllers in portable microprocessor-based systems where extended battery life is crucial. The NCP301 series features highly accurate undervoltage detection with hysteresis, preventing erratic system reset operations as the comparator threshold is crossed.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detect Threshold (Vin Decreasing) | VDET− | 2.19 | 2.2 | 2.21 | V |
| Detect Threshold Hysteresis (Vin Increasing) | VHYS | 0.081 | 0.135 | 0.189 | V |
| Supply Current (Vin = 2.1 V) | Iin | 0.25 | 0.5 | 0.8 | μA |
| Maximum Operating Voltage | Vin(max) | - | - | 10 | V |
| Minimum Operating Voltage (TA = 25°C) | Vin(min) | 0.55 | 0.65 | 0.70 | V |
| Reset Output Current (Active Low, VOUT = 0.05 V, Vin = 0.70 V) | IOUT | 0.01 | 0.05 | 0.50 | mA |
| Output Transition Time (High to Low) | tpHL | - | - | 55 | ns |
| Output Transition Time (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 or Active High Reset Output
- Specified Over the −40°C to +125°C Temperature Range
- Pb-Free and RoHS Compliant
- AEC-Q100 Qualified and PPAP Capable for Automotive and Other Applications
Applications
- Microprocessor Reset Controller
- Low Battery Detection
- Power Fail Indicator
- Battery Backup Detection
Q & A
- What is the primary function of the NCP301LSN22T1G? The primary function is to act as a reset controller in microprocessor-based systems, ensuring accurate undervoltage detection.
- What is the typical quiescent current of the NCP301LSN22T1G? The typical quiescent current is 0.5 μA.
- What is the operating temperature range for the NCP301LSN22T1G? The device operates over a temperature range of −40°C to +125°C.
- What types of output configurations are available for the NCP301 series? The NCP301 series offers open drain N-Channel output with either active low or active high reset output.
- Is the NCP301LSN22T1G RoHS compliant? Yes, the device is Pb-Free and RoHS compliant.
- What are some typical applications for the NCP301LSN22T1G? Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the maximum operating voltage for the NCP301LSN22T1G? The maximum operating voltage is 10 V.
- How does the hysteresis in the NCP301LSN22T1G help in system operation? The hysteresis prevents erratic system reset operations as the comparator threshold is crossed.
- Is the NCP301LSN22T1G suitable for automotive applications? Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the package type for the NCP301LSN22T1G? The device is available in the Thin TSOP-5 package.
