Overview
The NCV303LSN16T1G is a part of the NCP303 series, which are second-generation ultra-low current voltage detectors produced by onsemi. These devices are designed for use as reset controllers in portable microprocessor-based systems where extended battery life is crucial. The NCV303LSN16T1G features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator, preventing erratic system reset operations.
Key Specifications
| Characteristic | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Input Power Supply Voltage (Vin) | V | - | 0.8 | 10 |
| Detector Threshold (VDET-) | V | 1.60 | 1.56 | 1.64 |
| Detector Threshold Hysteresis (VHYS) | V | 0.09 | 0.06 | 0.12 |
| Quiescent Current (Iin) | μA | 0.5 | 0.23 | 1.3 |
| Output Voltage (VOUT) | V | - | -0.3 | Vin + 0.3 |
| Output Current (IOUT) | mA | - | 0.01 | 70 |
| Operating Ambient Temperature Range | °C | - | -40 | 125 |
| Delay Capacitor Pin Threshold Voltage (VTCD) | V | 1.34 | 0.99 | 1.68 |
| Delay Pullup Resistance (RD) | MΩ | 1.0 | 0.5 | 2.0 |
Key Features
- Ultra-low quiescent current of 0.5 μA typical, ensuring extended battery life in portable systems.
- High accuracy undervoltage threshold with a tolerance of ±2.0%.
- Externally programmable time delay generator to customize reset timing.
- Wide operating voltage range from 0.8 V to 10 V.
- Complementary or open drain output configurations available.
- Active low or active high reset options.
- Specified over a temperature range of -40°C to +125°C.
Applications
- Portable microprocessor-based systems where low power consumption is critical.
- Battery-powered devices requiring reliable reset functionality.
- Automotive and industrial applications needing robust voltage monitoring.
- Embedded systems and IoT devices requiring precise voltage detection.
Q & A
- What is the primary function of the NCV303LSN16T1G?
The primary function is to serve as a reset controller with an undervoltage detector and programmable time delay generator in microprocessor-based systems.
- What is the typical quiescent current of the NCV303LSN16T1G?
The typical quiescent current is 0.5 μA.
- What is the operating voltage range of the NCV303LSN16T1G?
The operating voltage range is from 0.8 V to 10 V.
- How is the time delay for the reset signal programmed?
The time delay is programmed using an external capacitor connected to the delay pin.
- What types of output configurations are available for the NCV303 series?
The NCV303 series offers open drain N-Channel output with an active low reset.
- What is the temperature range over which the device is specified?
The device is specified over a temperature range of -40°C to +125°C.
- What is the detector threshold hysteresis for the NCV303LSN16T1G?
The detector threshold hysteresis is typically 0.09 V.
- Can the NCV303LSN16T1G be used in automotive applications?
Yes, the NCV prefix indicates that it can be used in automotive and other applications requiring unique site and control change requirements.
- What is the maximum output current for the NCV303LSN16T1G?
The maximum output current is 70 mA.
- How does the device ensure reliable reset operations?
The device ensures reliable reset operations through its highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator.
