Overview
The NCP304LSQ30T1G is a second-generation ultra-low current voltage detector produced by onsemi. This device is specifically designed for use as a reset controller in portable microprocessor-based systems, where extended battery life is crucial. It features a highly accurate undervoltage detector with hysteresis, preventing erratic system reset operations as the comparator threshold is crossed.
Key Specifications
| Characteristic | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Input Power Supply Voltage (Pin 2) | V | - | - | 12 |
| Output Voltage (Pin 1) | V | - | -0.3 | Vin+0.3 |
| Output Current (Pin 1) | mA | - | - | 70 |
| Thermal Resistance, Junction-to-Air | °C/W | - | - | 285 |
| Maximum Junction Temperature | °C | - | - | 125 |
| Storage Temperature Range | °C | -55 | - | 150 |
| Detector Threshold (Pin 2, Vin Decreasing) | V | 3.0 | 2.94 | 3.06 |
| Detector Threshold Hysteresis (Pin 2, Vin Increasing) | V | 0.15 | 0.12 | 0.18 |
| Supply Current (Pin 2) | μA | 1.0 | 0.9 | 2.4 |
Key Features
- Quiescent Current of 1.0 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
- 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 NCP304LSQ30T1G? The primary function is to act as a reset controller in portable microprocessor-based systems.
- What is the typical quiescent current of the NCP304LSQ30T1G? The typical quiescent current is 1.0 μA.
- What is the accuracy of the undervoltage threshold? The undervoltage threshold has a high accuracy of 2.0%.
- What are the available reset output configurations? The device is available with either an active high or active low reset output, and it can be configured as complementary or open drain.
- What is the operating voltage range of the NCP304LSQ30T1G? The operating voltage range is from 0.8 V to 10 V.
- Is the NCP304LSQ30T1G suitable for automotive applications? Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
- Is the NCP304LSQ30T1G Pb-Free and RoHS compliant? Yes, the device is Pb-Free and RoHS compliant.
- What are the typical applications of the NCP304LSQ30T1G? Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the maximum junction temperature of the NCP304LSQ30T1G? The maximum junction temperature is 125°C.
- What is the storage temperature range of the NCP304LSQ30T1G? The storage temperature range is from -55°C to 150°C.
