Overview
The NCP305LSQ31T1G 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 to prevent erratic system reset operations.
Key Specifications
| Characteristic | Symbol | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|---|
| Input Power Supply Voltage | Vin | - | - | 12 | V |
| Output Voltage | VOUT | - | -0.3 | Vin+0.3 | V |
| Output Current | IOUT | - | - | 70 | mA |
| Thermal Resistance, Junction-to-Air | RJA | - | - | 285 | °C/W |
| Maximum Junction Temperature | TJ | - | - | +125 | °C |
| Storage Temperature Range | Tstg | -55 | - | +150 | °C |
| Detector Threshold (Vin Decreasing) | VDET- | 1.80 | 1.764 | 1.836 | V |
| Detector Threshold Hysteresis (Vin Increasing) | VHYS | 0.090 | 0.054 | 0.126 | V |
| Supply Current (Vin = 1.7 V) | Iin | 1.0 | 0.8 | 2.4 | μA |
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
- Open Drain N-Channel Output with Active Low Reset Output
- AEC-Q100 Qualified and PPAP Capable for automotive and other applications requiring unique site and control change requirements
- 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 NCP305LSQ31T1G?
The primary function of the NCP305LSQ31T1G is to act as a reset controller in portable microprocessor-based systems, ensuring reliable operation during voltage fluctuations.
- What is the typical quiescent current of the NCP305LSQ31T1G?
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 is the operating voltage range of the NCP305LSQ31T1G?
The device operates over a wide voltage range from 0.8 V to 10 V.
- What type of output does the NCP305LSQ31T1G have?
The NCP305LSQ31T1G has an open drain N-Channel output with an active low reset output.
- Is the NCP305LSQ31T1G 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.
- What is the maximum junction temperature for the NCP305LSQ31T1G?
The maximum junction temperature is +125°C.
- What is the storage temperature range for the NCP305LSQ31T1G?
The storage temperature range is from -55°C to +150°C.
- Does the NCP305LSQ31T1G have ESD protection?
Yes, the device contains ESD protection and exceeds the Human Body Model 2000 V per MIL-STD-883, Method 3015.
- Is the NCP305LSQ31T1G Pb-Free and RoHS Compliant?
Yes, the device is Pb-Free and RoHS Compliant.
