Overview
The NCV303LSN27T1G is a part of the NCP/NCV303 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. They feature a highly accurate under-voltage detector with hysteresis and an externally programmable time delay generator, preventing erratic system reset operations.
Key Specifications
| Characteristic | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Quiescent Current | µA | 0.5 | - | - |
| Under Voltage Threshold Accuracy | % | 2.0 | - | - |
| Operating Voltage Range | V | - | 0.8 | 10 |
| Reset Output Type | - | Open Drain N-Channel | - | - |
| Reset Active State | - | Active Low | - | - |
| Detector Threshold (Vin Decreasing) | V | 2.7 | 2.64 | 2.76 |
| Detector Threshold Hysteresis | V | 0.15 | 0.09 | 0.21 |
| Delay Capacitor Pin Threshold Voltage | V | 1.68 | 1.49 | 2.01 |
| Operating Ambient Temperature Range | °C | - | -40 | 125 |
Key Features
- Quiescent Current of 0.5 µA Typical
- High Accuracy Under Voltage Threshold of 2.0%
- Externally Programmable Time Delay Generator
- Wide Operating Voltage Range of 0.8 V to 10 V
- Open Drain N-Channel Output with Active Low Reset
- Pb-Free Packages Available
- NCV Version for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
Applications
- Microprocessor Reset Controller
- Low Battery Detection
- Power Fail Indicator
- Battery Backup Detection
- Body Electronics
- Occupant Protection
- Braking Systems
- Infotainment Systems
- Instrument Cluster
- Navigator Systems
- Occupant Comfort Systems
- Powertrain Systems
Q & A
- What is the primary function of the NCV303LSN27T1G?
The primary function of the NCV303LSN27T1G is to serve as a reset controller in portable microprocessor-based systems, ensuring accurate and reliable system reset operations.
- What is the quiescent current of the NCV303LSN27T1G?
The quiescent current of the NCV303LSN27T1G is typically 0.5 µA.
- What is the accuracy of the under-voltage threshold?
The under-voltage threshold accuracy is 2.0%.
- What is the operating voltage range of the NCV303LSN27T1G?
The operating voltage range is from 0.8 V to 10 V.
- What type of output does the NCV303LSN27T1G have?
The NCV303LSN27T1G has an open drain N-channel output with an active low reset.
- Is the NCV303LSN27T1G suitable for automotive applications?
- What is the temperature range for the NCV303LSN27T1G?
The operating ambient temperature range is from -40°C to +125°C.
- Does the NCV303LSN27T1G have Pb-free packages available?
- What is the detector threshold voltage for the NCV303LSN27T1G?
The detector threshold voltage is typically 2.7 V, with a range from 2.64 V to 2.76 V.
- How does the externally programmable time delay generator work?
The externally programmable time delay generator allows for the adjustment of the reset timing using an external capacitor, ensuring customizable reset delays based on system requirements.
