Overview
The NCV4276DTADJRKG is a 400 mA output current integrated low dropout voltage regulator produced by onsemi. This device is designed for use in harsh automotive environments and offers a wide range of operating temperature and input voltage capabilities. It is part of the NCV4276 family, which includes fixed output voltage options of 1.8 V, 2.5 V, 3.3 V, and 5.0 V, as well as an adjustable voltage version. The regulator features high peak input voltage tolerance, reverse input voltage protection, and various fault protection mechanisms including overcurrent, overtemperature, and inhibit control.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | VI | -42 | 45 | V | |
| Input Peak Transient Voltage | VI | 45 | V | ||
| Output Voltage (5.0 V Version) | VQ | 4.8 | 5.0 | 5.2 | V |
| Output Current | IQ | 400 | mA | ||
| Dropout Voltage (5.0 V Output) | VDR | 500 | mV | ||
| Junction Temperature | TJ | -40 | 150 | °C | |
| Thermal Shutdown Temperature | 150 | °C |
Key Features
- Fixed output voltage options: 1.8 V, 2.5 V, 3.3 V, and 5.0 V with ±4% or ±2% accuracy
- Adjustable voltage version from 2.5 V to 20 V
- 400 mA output current capability
- High peak input voltage tolerance up to 45 V and reverse input voltage protection up to -42 V
- Inhibit input for control of the output voltage state
- Very low current consumption
- Fault protection including short circuit, thermal overload, and overcurrent protection
- Pb-free device
- Available in DPAK and D2PAK surface mount packages
Applications
The NCV4276DTADJRKG is designed for use in harsh automotive environments but can also be applied in various other scenarios requiring stable and regulated voltage. Common applications include:
- Automotive systems: power supplies for electronic control units, infotainment systems, and other automotive electronics.
- Industrial control systems: where stable voltage is crucial for reliable operation.
- Consumer electronics: such as set-top boxes, gaming consoles, and other devices requiring low dropout voltage regulation.
- Medical devices: where precise voltage regulation is essential for safe and reliable operation.
Q & A
- What is the maximum output current of the NCV4276DTADJRKG?
The maximum output current is 400 mA.
- What are the available output voltage options for the NCV4276DTADJRKG?
The device is available with fixed output voltage options of 1.8 V, 2.5 V, 3.3 V, and 5.0 V, as well as an adjustable voltage version from 2.5 V to 20 V.
- What is the dropout voltage for the 5.0 V output version?
The dropout voltage for the 5.0 V output version is up to 500 mV.
- Does the NCV4276DTADJRKG have overtemperature protection?
- What types of fault protection does the NCV4276DTADJRKG offer?
The device includes fault protection mechanisms such as overcurrent, overtemperature, and short circuit protection.
- What are the package options for the NCV4276DTADJRKG?
The device is available in DPAK and D2PAK surface mount packages.
- Is the NCV4276DTADJRKG Pb-free?
- What is the inhibit function on the NCV4276DTADJRKG?
The inhibit input allows for control of the output voltage state, enabling or disabling the regulator as needed.
- What is the input voltage range for the NCV4276DTADJRKG?
The input voltage range is from -42 V to 45 V, with a peak transient voltage tolerance of up to 45 V.
- How does the NCV4276DTADJRKG regulate output voltage?
The device uses an error amplifier with a bandgap reference to regulate the output voltage, ensuring a stable output over a wide range of conditions.
