Overview
The NCP305LSQ20T1G 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 | RθJA | - | - | 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
- Ultra-low quiescent current of 1.0 μA typical
- High accuracy undervoltage threshold with 2.0% tolerance
- Wide operating voltage range from 0.8 V to 10 V
- Complementary or open drain reset output configurations
- Active low or active high reset output options
- 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 NCP305LSQ20T1G?
The NCP305LSQ20T1G is primarily used as a reset controller in microprocessor-based systems to ensure reliable operation during voltage fluctuations.
- What is the typical quiescent current of the NCP305LSQ20T1G?
The typical quiescent current is 1.0 μA.
- What are the available reset output configurations for the NCP305 series?
The NCP305 series offers open drain N-Channel output with an active low reset output.
- What is the operating voltage range of the NCP305LSQ20T1G?
The device operates within a voltage range of 0.8 V to 10 V.
- Is the NCP305LSQ20T1G suitable for automotive applications?
- What is the detector threshold hysteresis for the NCP305LSQ20T1G?
The detector threshold hysteresis is typically 0.090 V, with a minimum of 0.054 V and a maximum of 0.126 V.
- What is the maximum junction temperature for the NCP305LSQ20T1G?
The maximum junction temperature is 125°C.
- Is the NCP305LSQ20T1G Pb-free and RoHS compliant?
- What are the typical applications of the NCP305LSQ20T1G?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the storage temperature range for the NCP305LSQ20T1G?
The storage temperature range is from -55°C to 150°C.
