Overview
The NCP305LSQ25T1G 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 | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Input Power Supply Voltage (Vin) | V | - | -0.3 | 12 |
| Output Voltage (VOUT) | V | - | -0.3 | Vin+0.3 |
| Output Current (IOUT) | mA | - | - | 70 |
| Thermal Resistance, Junction-to-Air (RJA) | °C/W | - | - | 285 |
| Maximum Junction Temperature (TJ) | °C | - | - | 125 |
| Storage Temperature Range (Tstg) | °C | -55 | - | 150 |
| Detector Threshold (VDET-) | V | 2.700 | 2.646 | 2.754 |
| Detector Threshold Hysteresis (VHYS) | V | 0.135 | 0.081 | 0.189 |
| Supply Current (Iin) at Vin = 2.6V | µA | 1.1 | 0.9 | 2.7 |
| Maximum Operating Voltage (Vin) | V | - | - | 10 |
| Minimum Operating Voltage (Vin) at TA = -40°C to 85°C | V | - | 0.55 | 0.80 |
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 NCP305LSQ25T1G?
The primary function of the NCP305LSQ25T1G is to act as a reset controller in microprocessor-based systems, ensuring reliable operation during voltage fluctuations.
- What is the typical quiescent current of the NCP305LSQ25T1G?
The typical quiescent current is 1.0 µA.
- What is the accuracy of the undervoltage threshold?
The undervoltage threshold has a high accuracy with a 2.0% tolerance.
- What are the available reset output configurations?
The device is available with either complementary or open drain reset output configurations.
- Can the NCP305LSQ25T1G be used in automotive applications?
- What is the operating voltage range of the NCP305LSQ25T1G?
The device operates within a voltage range of 0.8 V to 10 V.
- Is the NCP305LSQ25T1G Pb-free and RoHS compliant?
- What are the typical applications of the NCP305LSQ25T1G?
Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.
- What is the maximum junction temperature of the NCP305LSQ25T1G?
The maximum junction temperature is 125°C.
- What is the storage temperature range for the NCP305LSQ25T1G?
The storage temperature range is from -55°C to 150°C.
