Overview
The NCV4275CDS33R4G is an integrated low dropout (LDO) voltage regulator designed by onsemi for use in harsh automotive environments. This regulator is part of the NCV4275C series and is specifically configured to provide a fixed output voltage of 3.3V. It is known for its high reliability, wide operating temperature range, and robust protection features, making it suitable for demanding automotive applications.
Key Specifications
| Characteristic | Symbol | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Output Voltage | VQ | 100 μA ≤ IQ ≤ 400 mA, 6.0 V ≤ VI ≤ 28 V | 3.23 | 3.3 | 3.37 | V |
| Output Current Limitation | IQ | VQ = 0.9 x VQ,typ | 450 | - | 650 | mA |
| Quiescent Current | Iq | Iq = II - IQ, TJ = 25°C | - | 150 | 135 μA | μA |
| Dropout Voltage | VDO | - | - | 500 mV | mV | |
| Thermal Shutdown | TSD | - | 150 | - | 210°C | °C |
| Operating Temperature | TJ | - | -40°C | - | 150°C | °C |
| Input Voltage | VI | - | - | - | 42 V | V |
| Package | - | - | - | - | D2PAK (Pb-Free) | - |
Key Features
- Output Voltage Options: Fixed output voltage of 3.3V ±2%.
- Output Current: Up to 450 mA.
- Low Dropout Voltage: Maximum dropout voltage of 500 mV.
- Protection Features: Overcurrent protection, overtemperature protection, and short circuit protection.
- Reset Functionality: Active reset output with programmable microprocessor reset.
- Low Quiescent Current: Very low current consumption, typically 150 μA.
- High PSRR: Power Supply Rejection Ratio (PSRR) of 60 dB at 100 Hz.
- AEC-Q100 Qualified: Meets automotive reliability standards.
- Wide Operating Temperature Range: From -40°C to 150°C.
- Surface Mount Package: Available in DPAK and D2PAK packages.
Applications
- Automotive Electronics: Suitable for various automotive systems requiring reliable power management.
- Embedded Systems: Ideal for embedded systems that need stable and efficient power supply.
- Power Supply Circuits: Used in power supply circuits where low dropout voltage and high current capability are essential.
Q & A
- What is the output voltage of the NCV4275CDS33R4G?
The output voltage is fixed at 3.3V ±2%.
- What is the maximum output current of the NCV4275CDS33R4G?
The maximum output current is 450 mA.
- What are the protection features of the NCV4275CDS33R4G?
The regulator includes overcurrent protection, overtemperature protection, and short circuit protection.
- What is the quiescent current of the NCV4275CDS33R4G?
The quiescent current is typically 150 μA.
- What is the maximum dropout voltage of the NCV4275CDS33R4G?
The maximum dropout voltage is 500 mV.
- What is the operating temperature range of the NCV4275CDS33R4G?
The operating temperature range is from -40°C to 150°C.
- Is the NCV4275CDS33R4G AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified, meeting automotive reliability standards.
- What packages are available for the NCV4275CDS33R4G?
The regulator is available in DPAK and D2PAK surface mount packages.
- What is the PSRR of the NCV4275CDS33R4G?
The Power Supply Rejection Ratio (PSRR) is 60 dB at 100 Hz.
- Does the NCV4275CDS33R4G have a reset function?
Yes, it has an active reset output with programmable microprocessor reset.
