Overview
The NCP300LSN45T1G is a part of the NCP300 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 NCP300 series features highly accurate undervoltage detectors with hysteresis to prevent erratic system reset operations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detect Threshold (Vin Decreasing) | VDET− | 4.32 | 4.5 | 4.68 | V |
| Detect Threshold Hysteresis (Vin Increasing) | VHYS | 0.09 | 0.15 | 0.21 | V |
| Supply Current (Vin = 4.5 V) | Iin | 0.25 | 0.5 | 1.3 | μA |
| Maximum Operating Voltage | Vin(max) | - | - | 10 | V |
| Minimum Operating Voltage (TA = -40°C to 125°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 | 1.0 | - | mA |
| Propagation Delay Input to Output | tpHL, tpLH | - | 45, 130 | - | ns |
Key Features
- Quiescent Current of 0.5 μA Typical
- High Accuracy Undervoltage Threshold of 2.0%
- 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
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable
- 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 NCP300LSN45T1G?
The primary function of the NCP300LSN45T1G is to act as a reset controller in microprocessor-based systems, ensuring accurate undervoltage detection and preventing erratic system resets.
- What is the typical quiescent current of the NCP300LSN45T1G?
The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP300LSN45T1G?
The operating voltage range is from 0.8 V to 10 V.
- What types of reset outputs are available for the NCP300 series?
The NCP300 series offers both complementary and open drain reset outputs, with options for active low or active high reset signals.
- Is the NCP300LSN45T1G suitable for automotive applications?
- What is the temperature range for the NCP300LSN45T1G?
The device is specified over the -40°C to +125°C temperature range.
- Is the NCP300LSN45T1G Pb-Free and RoHS compliant?
- What is the detector threshold hysteresis for the NCP300LSN45T1G?
The detector threshold hysteresis is between 0.09 V and 0.21 V.
- What are the typical propagation delays for the NCP300LSN45T1G?
The typical propagation delays are 45 ns for high to low and 130 ns for low to high transitions.
- What are some common applications for the NCP300LSN45T1G?
