Overview
The NCP305LSQ33T1G is a second-generation ultra-low current voltage detector produced by ON Semiconductor. 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 | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Detector Threshold (Vin Decreasing) | V | 3.3 | 3.246 | 3.354 |
| Detector Threshold Hysteresis (Vin Increasing) | V | 0.135 | 0.081 | 0.189 |
| Supply Current (Vin = 3.3 V) | μA | 1.1 | 0.9 | 2.7 |
| Output Voltage (Pin 1) | V | -0.3 to Vin+0.3 | - | - |
| Output Current (Pin 1) | mA | 70 | - | - |
| Operating Temperature Range | °C | -40 to 85 | -40 | 85 |
| Package Type | - | SC-82A, SOT-343 | - | - |
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 critical 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 NCP305LSQ33T1G?
The NCP305LSQ33T1G is primarily used as a reset controller in microprocessor-based systems to ensure stable operation during voltage fluctuations.
- What is the typical quiescent current of the NCP305LSQ33T1G?
The typical quiescent current is 1.0 μA.
- What are the available 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 temperature range of the NCP305LSQ33T1G?
The operating temperature range is from -40°C to 85°C.
- Is the NCP305LSQ33T1G AEC-Q100 qualified?
- What is the detector threshold hysteresis for the NCP305LSQ33T1G?
The detector threshold hysteresis is typically 0.135 V.
- What package type does the NCP305LSQ33T1G come in?
The device comes in an SC-82A, SOT-343 package.
- Is the NCP305LSQ33T1G Pb-free and RoHS compliant?
- What are some typical applications for the NCP305LSQ33T1G?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the maximum output current for the NCP305LSQ33T1G?
The maximum output current is 70 mA.
