Overview
The NCP303LSN27T1G is a voltage detector IC from onsemi, designed for use as a reset controller in microprocessor-based systems. This device is part of the NCP303 series, which features ultra-low current consumption and a programmable time delay generator. It is particularly suited for portable systems where extended battery life is crucial. The NCP303LSN27T1G offers high accuracy undervoltage detection with hysteresis, ensuring stable system operation.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Part Number | NCP303LSN27T1G |
| Package | TSOP-5 |
| Reset Active Level | Active Low |
| Threshold Voltage | 2.7V |
| Operating Temperature | -40°C to +125°C |
| Quiescent Current | 0.5 μA (Typical) |
| Maximum Operating Voltage | 10 V |
| Minimum Operating Voltage | 0.8 V |
| Output Type | Open Drain N-Channel |
| Delay Capacitor Pin Voltage | -0.3 to Vin + 0.3 V |
| Output Current | Up to 70 mA |
Key Features
- Ultra-low current consumption of 0.5 μA (typical)
- High accuracy undervoltage detection with hysteresis
- Externally programmable time delay generator
- Wide operating voltage range from 0.8 V to 10 V
- Open drain N-Channel output with active low reset
- Specified over the -40°C to +125°C temperature range
- Low power consumption to extend battery life in portable systems
Applications
The NCP303LSN27T1G is ideal for use in microprocessor-based systems, particularly in portable devices where battery life is a critical factor. It is suitable for a variety of applications including:
- Portable electronics such as smartphones, tablets, and laptops
- Embedded systems and IoT devices
- Automotive systems requiring robust voltage monitoring
- Industrial control systems and automation
Q & A
- What is the primary function of the NCP303LSN27T1G?
The primary function is to act as a voltage detector and reset controller in microprocessor-based systems. - What is the typical quiescent current of the NCP303LSN27T1G?
The typical quiescent current is 0.5 μA. - What is the operating temperature range of the NCP303LSN27T1G?
The operating temperature range is -40°C to +125°C. - What type of output does the NCP303LSN27T1G have?
The output is an open drain N-Channel with an active low reset. - Can the time delay be programmed externally?
- What is the maximum operating voltage for the NCP303LSN27T1G?
The maximum operating voltage is 10 V.- What is the minimum operating voltage for the NCP303LSN27T1G?
The minimum operating voltage is 0.8 V.- Is the NCP303LSN27T1G suitable for automotive applications?
- What package type does the NCP303LSN27T1G come in?
The NCP303LSN27T1G comes in a TSOP-5 package.- What is the threshold voltage for the NCP303LSN27T1G?
The threshold voltage is 2.7V. - What is the maximum operating voltage for the NCP303LSN27T1G?
