Overview
The NCP303LSN13T1G is a part of the NCP303 series, which are second-generation ultra-low current voltage detectors produced by onsemi. These devices are designed for use as reset controllers in portable microprocessor-based systems, where extended battery life is crucial. The NCP303 series features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator, preventing erratic system reset operations.
Key Specifications
| Characteristic | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Input Power Supply Voltage (Pin 2) | V | - | 0.8 | 10 |
| Quiescent Current | μA | 0.5 | - | - |
| Detector Threshold (Pin 2, Vin Decreasing) | V | 1.3 | 1.26 | 1.34 |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | V | 0.09 | 0.07 | 0.11 |
| Reset Output Current (Pin 1, Active Low) | mA | - | 0.01 | 2.0 |
| Delay Capacitor Pin Threshold Voltage (Pin 5) | V | 1.0 | 0.9 | 1.1 |
| Operating Ambient Temperature Range | °C | - | -40 | 125 |
Key Features
- Ultra-low quiescent current of 0.5 μA typical
- High accuracy undervoltage threshold with 2.0% tolerance
- 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
- Specified over the -40°C to +125°C temperature range
- AEC-Q100 qualified and PPAP capable for automotive and other critical applications
- 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 NCP303LSN13T1G?
The primary function of the NCP303LSN13T1G is to act as a reset controller in microprocessor-based systems, ensuring stable operation by detecting undervoltage conditions and providing a programmable time delay.
- What is the quiescent current of the NCP303LSN13T1G?
The quiescent current of the NCP303LSN13T1G is typically 0.5 μA.
- What is the operating voltage range of the NCP303LSN13T1G?
The operating voltage range of the NCP303LSN13T1G is from 0.8 V to 10 V.
- What type of output does the NCP303LSN13T1G have?
The NCP303LSN13T1G has an open drain N-Channel output with an active low reset.
- Is the NCP303LSN13T1G suitable for automotive applications?
Yes, the NCP303LSN13T1G is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other critical applications.
- What is the temperature range for the NCP303LSN13T1G?
The NCP303LSN13T1G is specified to operate over the -40°C to +125°C temperature range.
- Is the NCP303LSN13T1G Pb-free and RoHS compliant?
Yes, the NCP303LSN13T1G is Pb-free and RoHS compliant.
- How is the time delay programmed in the NCP303LSN13T1G?
The time delay in the NCP303LSN13T1G is externally programmable using a capacitor connected to the delay pin.
- What are some typical applications for the NCP303LSN13T1G?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the detector threshold hysteresis of the NCP303LSN13T1G?
The detector threshold hysteresis of the NCP303LSN13T1G is typically 0.09 V.
