Overview
The NCV47710PDAJR2G is an integrated low dropout (LDO) regulator produced by onsemi, designed for use in harsh automotive environments. This device offers a 350 mA output current and features adjustable voltage and current limit capabilities. It is built with a wide operating temperature range and high input voltage tolerance, making it suitable for various automotive applications such as audio and infotainment systems, instrument clusters, navigation, and satellite radio.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage (Vin) | 5.5 | - | 40 | V |
| Output Current Limit (ILIM) | 10 | - | 350 | mA |
| Junction Temperature (TJ) | -40 | - | 150 | °C |
| Nominal Output Voltage (Vout_nom) | 5.0 | - | 20 | V |
| Output Voltage Accuracy | -6% | - | 6% | % |
| Dropout Voltage (VDO) | - | - | 500 | mV |
| Quiescent Current (Iq) at Iout = 1 mA | - | 150 | 230 | μA |
| Enable Input Threshold Voltage (Vth(EN)) | 0.99 | - | 2.31 | V |
| Thermal Shutdown Temperature (TSD) | 150 | - | 195 | °C |
Key Features
- Adjustable Voltage Version: Output voltage adjustable from 5 V to 20 V with ±6% accuracy.
- Adjustable Current Limit: Current limit adjustable from 10 mA to 350 mA with 10% accuracy.
- Protection Features: Includes current limitation, thermal shutdown, and reverse input voltage protection.
- Enable Input: 3.3 V logic compatible enable input for controlling the output voltage state.
- Integrated Current Sense: Provides diagnosis and system protection functionality.
- High Peak Input Voltage Tolerance: Can handle input voltages up to 45 V.
- Low Dropout Voltage: Dropout voltage as low as 250 mV.
Applications
- Audio and Infotainment Systems: Suitable for automotive audio and infotainment systems due to its robust performance and protection features.
- Instrument Clusters: Ideal for instrument clusters requiring stable and regulated voltage.
- Navigation and Satellite Radio: Used in navigation and satellite radio systems for reliable voltage regulation.
Q & A
- What is the maximum output current of the NCV47710PDAJR2G?
The maximum output current is 350 mA.
- What is the input voltage range for the NCV47710PDAJR2G?
The input voltage range is from 5.5 V to 40 V.
- What are the protection features of the NCV47710PDAJR2G?
The device includes current limitation, thermal shutdown, and reverse input voltage protection.
- How is the current limit adjustable on the NCV47710PDAJR2G?
The current limit is adjustable by a resistor connected to the CSO pin.
- What is the thermal shutdown temperature of the NCV47710PDAJR2G?
The thermal shutdown temperature is typically between 150°C and 195°C.
- What is the dropout voltage of the NCV47710PDAJR2G?
The dropout voltage is as low as 250 mV.
- How does the enable input work on the NCV47710PDAJR2G?
The enable input is 3.3 V logic compatible and can turn the regulator on or off.
- What is the output voltage accuracy of the NCV47710PDAJR2G?
The output voltage accuracy is ±6%.
- What are some typical applications of the NCV47710PDAJR2G?
Typical applications include audio and infotainment systems, instrument clusters, navigation, and satellite radio.
- How does the integrated current sense feature work?
The integrated current sense feature provides diagnosis and system protection functionality by monitoring the output current.
