Overview
The NCP300LSN27T1G is a part of the NCP300 series, which are second-generation ultra-low current voltage detectors designed by onsemi. These devices are specifically tailored for use as reset controllers in portable microprocessor-based systems where extended battery life is crucial. The NCP300 series features highly accurate undervoltage detectors with hysteresis, preventing erratic system reset operations as the comparator threshold is crossed.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detector Threshold (Pin 2, Vin Decreasing) | VDET− | 2.646 | 2.700 | 2.754 | V |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | VHYS | 0.081 | 0.135 | 0.189 | V |
| Supply Current (Pin 2) | Iin | 0.25 | 0.50 | 1.3 | 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 | 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
- Complementary or Open Drain Reset Output
- Active Low or Active High 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 NCP300LSN27T1G?
The primary function of the NCP300LSN27T1G is to act as a reset controller in microprocessor-based systems, ensuring accurate undervoltage detection and preventing erratic system resets.
- What is the typical quiescent current of the NCP300LSN27T1G?
The typical quiescent current of the NCP300LSN27T1G is 0.5 μA.
- What is the operating voltage range of the NCP300LSN27T1G?
The operating voltage range of the NCP300LSN27T1G is from 0.8 V to 10 V.
- Does the NCP300LSN27T1G support both active high and active low reset outputs?
- What is the detector threshold hysteresis of the NCP300LSN27T1G?
The detector threshold hysteresis of the NCP300LSN27T1G ranges from 0.081 V to 0.189 V.
- Is the NCP300LSN27T1G suitable for automotive applications?
- What is the maximum operating temperature of the NCP300LSN27T1G?
The maximum operating temperature of the NCP300LSN27T1G is +125°C.
- What is the minimum operating voltage of the NCP300LSN27T1G?
The minimum operating voltage of the NCP300LSN27T1G is 0.55 V.
- Is the NCP300LSN27T1G Pb-free and RoHS compliant?
- What are the typical applications of the NCP300LSN27T1G?
The typical applications include microprocessor reset controller, low battery detection, power fail indicator, and battery backup detection.
- What is the propagation delay input to output for the NCP300LSN27T1G?
The propagation delay input to output for the NCP300LSN27T1G ranges from 55 ns to 300 ns.
