Overview
The NCP301LSN12T1G is a second-generation ultra-low current voltage detector from onsemi, designed for use in portable microprocessor-based systems where extended battery life is crucial. This device is part of the NCP301 series, which features an open-drain N-Channel output with active low reset functionality. It is packaged in a Thin TSOP-5 package and offers high accuracy undervoltage detection with hysteresis to prevent erratic system reset operations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Detect Threshold (Vin Decreasing) | VDET− | 1.176 | 1.2 | 1.224 | V |
| Detect Threshold Hysteresis (Vin Increasing) | VHYS | 0.06 | 0.10 | 0.14 | V |
| Supply Current (Vin = 1.2 V) | Iin | - | 0.5 | 1.2 | μA |
| Maximum Operating Voltage | Vin(max) | - | - | 10 | V |
| Minimum Operating Voltage (TA = -40°C to 85°C) | Vin(min) | - | - | 0.55 | V |
| Output Transition, High to Low | tpHL | - | - | 300 | ns |
| Output Transition, Low to High | tpLH | - | - | 300 | ns |
| Reset Output Current (Active Low) | IOUT | - | - | 11 | mA |
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
- Open Drain N-Channel Reset Output with Active Low Configuration
- Specified Over the -40°C to +125°C Temperature Range
- AEC-Q100 Qualified and PPAP Capable for Automotive and Other 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 NCP301LSN12T1G? The primary function is to act as a voltage detector and reset controller in microprocessor-based systems.
- What is the typical quiescent current of the NCP301LSN12T1G? The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCP301LSN12T1G? The operating voltage range is from 0.8 V to 10 V.
- What type of reset output does the NCP301LSN12T1G have? The NCP301LSN12T1G has an open-drain N-Channel reset output with an active low configuration.
- Is the NCP301LSN12T1G suitable for automotive applications? Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the temperature range for the NCP301LSN12T1G? The device is specified over the -40°C to +125°C temperature range.
- Is the NCP301LSN12T1G Pb-Free and RoHS compliant? Yes, the device is Pb-Free and RoHS compliant.
- What are the typical applications of the NCP301LSN12T1G? Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the package type of the NCP301LSN12T1G? The device is packaged in a Thin TSOP-5 package.
- How does the hysteresis feature benefit the NCP301LSN12T1G? The hysteresis feature prevents erratic system reset operations as the comparator threshold is crossed.
