Overview
The NCP300HSN45T1G is a part of the NCP300 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. The NCP300 series features highly accurate undervoltage detection with hysteresis, preventing erratic system reset operations as the comparator threshold is crossed.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detect Threshold (Pin 2, Vin Decreasing) | VDET− | 4.41 | 4.45 | 4.49 | V |
| Detect Threshold Hysteresis (Pin 2, Vin Increasing) | VHYS | 0.09 | 0.15 | 0.21 | V |
| Supply Current (Pin 2) | Iin | 0.25 | 0.50 | 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 High ‘H’ Suffix Devices) | IOUT | 6.3 | 11 | - | mA |
| Propagation Delay Input to Output | tpHL/tpLH | 45 | - | 300 | 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 NCP300HSN45T1G?
The primary function of the NCP300HSN45T1G is to serve 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 NCP300HSN45T1G?
The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP300HSN45T1G?
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.
- Is the NCP300HSN45T1G suitable for automotive applications?
Yes, the NCP300 series, including the NCP300HSN45T1G, is AEC−Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
- What is the temperature range for the NCP300HSN45T1G?
The device is specified over the −40°C to +125°C temperature range.
- Is the NCP300HSN45T1G Pb-free and RoHS compliant?
Yes, the device is Pb-free and RoHS compliant.
- What are some typical applications for the NCP300HSN45T1G?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the maximum operating voltage for the NCP300HSN45T1G?
The maximum operating voltage is 10 V.
- What is the propagation delay input to output for the NCP300HSN45T1G?
The propagation delay input to output ranges from 45 ns to 300 ns.
