Overview
The NCV4275A, specifically the NCV4275ADT50RKG model from onsemi, is an integrated low dropout (LDO) voltage regulator designed for harsh automotive environments. This regulator offers a regulated output voltage of 5.0 V or 3.3 V, with a maximum output current of 450 mA. It features a wide operating temperature range and input voltage range, making it suitable for various automotive applications. The device includes several protection features such as overcurrent protection, overtemperature protection, and a programmable microprocessor reset.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.0 V or 3.3 V ±2% | V |
| Output Current | 450 mA | mA |
| Dropout Voltage | 500 mV (max) | mV |
| Input Voltage Range | 5.5 V to 42 V (5.0 V output), 4.4 V to 42 V (3.3 V output) | V |
| Junction Temperature Range | -40°C to 150°C | °C |
| Input Peak Transient Voltage | -42 V to 45 V | V |
| Reset Output Voltage | -0.3 V to 25 V | V |
| ESD Susceptibility | 4.0 kV (Human Body Model), 200 V (Machine Model), 1000 V (Charge Device Model) | kV, V, V |
| Package Type | DPAK and D2PAK surface mount packages |
Key Features
- 5.0 V and 3.3 V output voltage options with ±2% accuracy
- 450 mA output current capability
- Very low current consumption
- Active reset output with reset low down to VQ = 1.0 V
- Fault protection including short circuit, thermal overload, and overcurrent protection
- AEC-Q100 Grade 1 qualified and PPAP capable
- Pb-free devices
- Pin compatible with NCV4275
Applications
The NCV4275A is primarily used in automotive electronics, including auto body electronics and other harsh environment applications where reliable voltage regulation and protection are crucial.
Q & A
- What are the available output voltage options for the NCV4275A?
The NCV4275A offers output voltage options of 5.0 V and 3.3 V with ±2% accuracy. - What is the maximum output current of the NCV4275A?
The maximum output current is 450 mA. - What is the dropout voltage of the NCV4275A?
The dropout voltage is 500 mV (max). - What are the input voltage ranges for the 5.0 V and 3.3 V output versions?
The input voltage range is 5.5 V to 42 V for the 5.0 V output and 4.4 V to 42 V for the 3.3 V output. - What are the junction temperature and storage temperature ranges?
The junction temperature range is -40°C to 150°C, and the storage temperature range is -55°C to 150°C. - What types of fault protection does the NCV4275A offer?
The device offers fault protection including short circuit, thermal overload, and overcurrent protection. - Is the NCV4275A AEC-Q100 qualified?
Yes, the NCV4275A is AEC-Q100 Grade 1 qualified and PPAP capable. - What packages are available for the NCV4275A?
The device is available in DPAK and D2PAK surface mount packages. - Is the NCV4275A pin compatible with other models?
Yes, it is pin compatible with the NCV4275. - Are the NCV4275A devices Pb-free?
Yes, the devices are Pb-free.
