Overview
The NCP300LSN34T1G is a part of the NCP300 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 NCP300 series features highly accurate undervoltage detectors with hysteresis to prevent erratic system reset operations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detector Threshold (Pin 2, Vin Decreasing) | VDET− | 3.34 | 3.4 | 3.46 | V |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | VHYS | 0.09 | 0.15 | 0.21 | V |
| Supply Current (Pin 2) | Iin | 0.25 | 0.5 | 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 |
| Temperature Range | - | - | - | -40°C to +125°C |
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
- Pb-Free and RoHS Compliant
- AEC-Q100 Qualified and PPAP Capable 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
Q & A
- What is the primary function of the NCP300LSN34T1G?
The primary function of the NCP300LSN34T1G 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 NCP300LSN34T1G?
The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP300LSN34T1G?
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 outputs.
- What is the temperature range for the NCP300LSN34T1G?
The device is specified to operate over a temperature range of −40°C to +125°C.
- Is the NCP300LSN34T1G Pb-Free and RoHS Compliant?
- What are some typical applications for the NCP300LSN34T1G?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the detector threshold hysteresis for the NCP300LSN34T1G?
The detector threshold hysteresis ranges from 0.09 V to 0.21 V.
- Is the NCP300LSN34T1G suitable for automotive applications?
- What is the maximum operating voltage for the NCP300LSN34T1G?
The maximum operating voltage is 10 V.
