Overview
The NCP301LSN27T1G is a part of the NCP301 series, which are second-generation 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 an open-drain N-Channel output with either an active high or active low reset output, making them versatile for various applications.
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 |
| Output Transition, High to Low | tpHL | - | 55 | 300 | ns |
| Output Transition, Low to High | tpLH | - | 115 | 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 NCP301LSN27T1G?
The primary function of the NCP301LSN27T1G is to act as a reset controller in microprocessor-based systems, ensuring proper system reset during undervoltage conditions.
- What is the typical quiescent current of the NCP301LSN27T1G?
The typical quiescent current of the NCP301LSN27T1G is 0.5 μA.
- What is the operating voltage range of the NCP301LSN27T1G?
The operating voltage range of the NCP301LSN27T1G 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, as well as complementary and open-drain configurations.
- Is the NCP301LSN27T1G suitable for automotive applications?
Yes, the NCP301LSN27T1G is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
- What is the temperature range for the NCP301LSN27T1G?
The NCP301LSN27T1G is specified to operate over the −40°C to +125°C temperature range.
- Is the NCP301LSN27T1G Pb-free and RoHS compliant?
Yes, the NCP301LSN27T1G is Pb-free and RoHS compliant.
- What are some typical applications for the NCP301LSN27T1G?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the detector threshold hysteresis for the NCP301LSN27T1G?
The detector threshold hysteresis for the NCP301LSN27T1G is between 0.081 V and 0.189 V.
- What is the propagation delay for the output transitions of the NCP301LSN27T1G?
The propagation delay for the output transitions (high to low and low to high) ranges from 55 ns to 300 ns.
