Overview
The NCP301LSN47T1G is a part of the NCP301 series of 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 highly accurate undervoltage detection with hysteresis to prevent erratic system reset operations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detection Threshold (Vin Decreasing) | VDET− | 4.673 | 4.7 | 4.727 | V |
| Detection Threshold Hysteresis (Vin Increasing) | VHYS | 0.126 | 0.21 | 0.294 | V |
| Supply Current (Vin = 4.7 V) | Iin | - | 0.25 | 0.5 | μA |
| Maximum Operating Voltage | Vin(max) | - | - | 10 | V |
| Minimum Operating Voltage (TA = 25°C) | Vin(min) | 0.55 | 0.65 | 0.70 | V |
| Reset Output Current (Active Low, VOUT = 0.05 V, Vin = 0.70 V) | IOUT | 0.01 | 0.05 | 0.5 | mA |
| Output Transition Time (High to Low) | tpHL | - | 55 | 300 | ns |
| Output Transition Time (Low to High) | tpLH | - | 55 | 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 configurations
- Active low or active high reset output options
- 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 NCP301LSN47T1G? The primary function is to act as a reset controller in microprocessor-based systems, ensuring accurate undervoltage detection.
- What is the typical quiescent current of the NCP301LSN47T1G? The typical quiescent current is 0.5 μA.
- What are the available reset output configurations for the NCP301 series? The NCP301 series offers complementary and open drain reset output configurations.
- What are the temperature specifications for the NCP301LSN47T1G? The device is specified over the −40°C to +125°C temperature range.
- Is the NCP301LSN47T1G suitable for automotive applications? Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other critical applications.
- What is the maximum operating voltage for the NCP301LSN47T1G? The maximum operating voltage is 10 V.
- What is the minimum operating voltage for the NCP301LSN47T1G at 25°C? The minimum operating voltage at 25°C is 0.55 V.
- How does the hysteresis in the NCP301LSN47T1G help in system operation? The hysteresis prevents erratic system reset operations as the comparator threshold is crossed.
- Is the NCP301LSN47T1G Pb-free and RoHS compliant? Yes, the device is Pb-free and RoHS compliant.
- What are some typical applications of the NCP301LSN47T1G? Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
