Overview
The NCV47701DAJR2G is a low dropout regulator (LDO) produced by onsemi, designed for use in harsh automotive environments. This integrated circuit provides a regulated output voltage with a maximum current of 350 mA. It features adjustable voltage and current limit settings, making it versatile for various applications. The device includes multiple protection features such as overcurrent protection, thermal shutdown, and reverse input voltage protection, ensuring reliable operation under diverse conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage (Vin) | -42 | 45 | V | |
| Output Voltage (Vout) | 5 | 20 | V | |
| Output Current (Iout) | 10 mA | 350 mA | ||
| Output Voltage Accuracy | -3% | 3% | ||
| Line Regulation | -0.1% | 1.0% | ||
| Load Regulation | -0.14% | 1.4% | ||
| Dropout Voltage (VDO) | 250 mV | 500 mV | ||
| Junction Temperature (TJ) | -40°C | 150°C | ||
| Thermal Shutdown Temperature | 150°C | 195°C |
Key Features
- Adjustable Voltage Version: Output voltage can be set between 5 V and 20 V with ±3% accuracy.
- Adjustable Current Limit: Current limit can be adjusted from 10 mA to 350 mA with 10% accuracy.
- Protection Features: Includes current limitation, thermal shutdown, and reverse input voltage protection.
- Enable Input: 5 V logic compatible enable input for controlling the state of the output voltage.
- Integrated Current Sense: Provides diagnosis and system protection functionality.
- High Peak Input Voltage Tolerance: Can handle input voltages up to 45 V.
Applications
- Audio and Infotainment Systems: Suitable for use in automotive audio and infotainment systems.
- Instrument Clusters: Used in instrument clusters for reliable voltage regulation.
- Navigation and Satellite Radio: Ideal for navigation and satellite radio systems in vehicles.
Q & A
- What is the maximum output current of the NCV47701DAJR2G?
The maximum output current is 350 mA.
- What is the adjustable voltage range of the NCV47701DAJR2G?
The output voltage can be set between 5 V and 20 V.
- What protection features does the NCV47701DAJR2G include?
It includes current limitation, thermal shutdown, and reverse input voltage protection.
- How is the current limit adjusted on the NCV47701DAJR2G?
The current limit is adjustable by a resistor connected to the CSO pin.
- What is the thermal shutdown temperature of the NCV47701DAJR2G?
The thermal shutdown temperature is between 150°C and 195°C.
- What is the input voltage range of the NCV47701DAJR2G?
The input voltage range is from -42 V to 45 V.
- How is the output voltage set on the NCV47701DAJR2G?
The output voltage is set using an external resistor divider connected to the ADJ pin.
- What is the quiescent current of the NCV47701DAJR2G?
The quiescent current is between 150 μA and 230 μA depending on the output current.
- Is the NCV47701DAJR2G Pb-free?
Yes, the NCV47701DAJR2G is a Pb-free device.
- What are the typical applications of the NCV47701DAJR2G?
Typical applications include audio and infotainment systems, instrument clusters, and navigation and satellite radio systems in vehicles.
