Overview
The NCP301LSN22T1 is a part of the NCP301 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 NCP301 series features highly accurate undervoltage detection with hysteresis to prevent erratic system reset operations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detector Threshold (Pin 2, Vin Decreasing) | VDET− | 2.19 | 2.2 | 2.21 | 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 | 0.65 | 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
- Ultra-low quiescent current of 0.5 μA typical
- High accuracy undervoltage threshold with 2.0% tolerance
- 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
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
- 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 NCP301LSN22T1?
The NCP301LSN22T1 is designed as a voltage detector and reset controller for microprocessor-based systems, particularly in applications requiring low power consumption.
- What is the typical quiescent current of the NCP301LSN22T1?
The typical quiescent current is 0.5 μA.
- What are the available reset output configurations for the NCP301 series?
The NCP301 series offers both active low and active high reset output configurations.
- What is the operating temperature range for the NCP301LSN22T1?
The device is specified to operate over the −40°C to +125°C temperature range.
- Is the NCP301LSN22T1 compliant with automotive standards?
- What is the maximum operating voltage for the NCP301LSN22T1?
The maximum operating voltage is 10 V.
- What are the typical applications of the NCP301LSN22T1?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the detector threshold hysteresis for the NCP301LSN22T1?
The detector threshold hysteresis ranges from 0.084 V to 0.196 V.
- Is the NCP301LSN22T1 Pb-free and RoHS compliant?
- What is the package type for the NCP301LSN22T1?
The device is available in the Thin TSOP-5 package.
