Overview
The NCV4275CDT50RKG is an integrated low dropout (LDO) regulator designed by onsemi for use in harsh automotive environments. This regulator is part of the NCV4275C series and offers wide operating temperature and input voltage ranges. It is available in DPAK and D2PAK surface mount packages, making it versatile for various automotive applications. The regulator provides a stable output voltage of either 5.0 V or 3.3 V with a maximum output current of 450 mA. It also features overcurrent protection, overtemperature protection, and a programmable microprocessor reset, ensuring reliable operation under demanding conditions.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Operating Range (5.0 V Output) | VI | 6.0 | - | 42 | V |
| Input Voltage Operating Range (3.3 V Output) | VI | 4.4 | - | 42 | V |
| Junction Temperature | TJ | -40 | - | 150 | °C |
| Output Voltage (5.0 V Version) | VQ | 4.9 | 5.0 | 5.1 | V |
| Output Voltage (3.3 V Version) | VQ | 3.23 | 3.3 | 3.37 | V |
| Output Current Limitation | IQ | 450 | - | 650 | mA |
| Quiescent Current | Iq | 135 | - | 150 | µA |
| Dropout Voltage | Vdr | - | - | 500 | mV |
| Thermal Shutdown Temperature | TSD | - | - | 150 | °C |
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
- 500 mV (max) dropout voltage
- Fault protection including +45 V peak transient voltage, -42 V reverse voltage, short circuit protection, and thermal overload protection
- AEC-Q100 qualified and PPAP capable
- Stable output over a wide output capacitance and ESR range
- Pin for pin compatible with NCV4275A
Applications
- Auto body electronics
- Automotive systems requiring robust and reliable voltage regulation
Q & A
- What are the output voltage options for the NCV4275CDT50RKG?
The NCV4275CDT50RKG offers output voltage options of 5.0 V and 3.3 V with ±2% accuracy.
- What is the maximum output current of the NCV4275CDT50RKG?
The maximum output current is 450 mA.
- What type of protection does the NCV4275CDT50RKG provide?
The regulator provides overcurrent protection, overtemperature protection, and fault protection including +45 V peak transient voltage, -42 V reverse voltage, and short circuit protection.
- What are the package options for the NCV4275CDT50RKG?
The regulator is available in DPAK and D2PAK surface mount packages.
- What is the junction temperature range for the NCV4275CDT50RKG?
The junction temperature range is from -40°C to 150°C.
- Is the NCV4275CDT50RKG AEC-Q100 qualified?
- What is the dropout voltage of the NCV4275CDT50RKG?
The dropout voltage is a maximum of 500 mV.
- Does the NCV4275CDT50RKG have an active reset output?
- What is the quiescent current of the NCV4275CDT50RKG?
The quiescent current is typically 135 µA to 150 µA.
- Is the output stable over a wide output capacitance and ESR range?
