Overview
The NCP303LSN40T1G is a voltage detector and reset IC produced by onsemi. This device is part of the NCP303 series, which are ultra-low current voltage detectors designed for use in portable microprocessor-based systems where extended battery life is crucial. The NCP303LSN40T1G features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator, making it ideal for preventing erratic system reset operations.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Product Name | NCP303LSN40T1G |
| Product Classification | Supervisors |
| Package / Case | SOT-23-5 Thin, TSOT-23-5 |
| Number of Pins | 5 |
| Operating Temperature Range | -40°C to 125°C |
| Mounting Type | Surface Mount |
| Output Configuration | Open Drain or Open Collector |
| Reset Threshold Voltage | 4V |
| Reset Timeout | Adjustable/Selectable |
| Supply Voltage Range | 0.8V to 10V |
| Quiescent Current | 500nA (typical) |
| Accuracy | 2% |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Yes |
Key Features
- Ultra-low quiescent current of 0.5 μA (typical)
- High accuracy undervoltage threshold with 2% accuracy
- Externally programmable time delay generator
- Wide operating voltage range from 0.8V to 10V
- Open drain N-channel output with active low reset
- Operating temperature range from -40°C to 125°C
- Surface mount package in SOT-23-5 Thin or TSOT-23-5
- No watchdog timer
- Halogen-free and lead-free
Applications
- Transformer load monitoring equipment
- Military electronics
- Dashboard and precision measurement systems
- Portable microprocessor-based systems where extended battery life is essential
Q & A
- What is the primary function of the NCP303LSN40T1G?
The primary function of the NCP303LSN40T1G is to act as a voltage detector and reset IC, ensuring stable operation of microprocessor-based systems by monitoring the supply voltage and generating a reset signal if the voltage falls below a specified threshold. - What is the operating temperature range of the NCP303LSN40T1G?
The operating temperature range of the NCP303LSN40T1G is from -40°C to 125°C. - What is the reset threshold voltage of the NCP303LSN40T1G?
The reset threshold voltage of the NCP303LSN40T1G is 4V. - Does the NCP303LSN40T1G have a watchdog timer?
No, the NCP303LSN40T1G does not have a watchdog timer. - What is the typical quiescent current of the NCP303LSN40T1G?
The typical quiescent current of the NCP303LSN40T1G is 0.5 μA. - What is the accuracy of the undervoltage threshold?
The accuracy of the undervoltage threshold is 2%. - What is the package type of the NCP303LSN40T1G?
The package type of the NCP303LSN40T1G is SOT-23-5 Thin or TSOT-23-5. - Is the NCP303LSN40T1G RoHS compliant?
Yes, the NCP303LSN40T1G is ROHS3 compliant and lead-free. - What is the supply voltage range of the NCP303LSN40T1G?
The supply voltage range of the NCP303LSN40T1G is from 0.8V to 10V. - Can the reset timeout be adjusted?
Yes, the reset timeout of the NCP303LSN40T1G is adjustable/selectable.
