Overview
The NCV4276BDT50RKG is a 400 mA output current integrated low dropout regulator (LDO) designed by onsemi for use in harsh automotive environments. This regulator is part of the NCV4276B family, which offers high reliability and robust performance across a wide range of operating conditions. The device is available in fixed voltage versions, including 3.3 V and 5.0 V, as well as an adjustable voltage version. It features a low dropout voltage, high peak input voltage tolerance, and comprehensive fault protection mechanisms.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | VI | -42 | 45 | V | |
| Input Peak Transient Voltage | VI | 45 | V | ||
| Inhibit INH Voltage | VINH | -42 | 45 | V | |
| Output Voltage (5.0 V Version) | VQ | 4.9 | 5.0 | 5.1 | V |
| Output Voltage (3.3 V Version) | VQ | 3.234 | 3.3 | 3.366 | V |
| Dropout Voltage (5.0 V Version) | VDR | 500 | mV | ||
| Output Current | IQ | 400 | mA | ||
| Junction Temperature | TJ | -40 | 150 | °C | |
| Thermal Shutdown Temperature | TSD | 150 | 210 | °C |
Key Features
- Available in 3.3 V, 5.0 V, and adjustable voltage versions (from 2.5 V to 20 V) with ±2% output voltage accuracy.
- 400 mA output current capability.
- Low dropout voltage of up to 500 mV for the 5.0 V version.
- Inhibit input for controlling the output voltage state.
- Very low current consumption.
- Comprehensive fault protection including peak transient voltage tolerance, reverse voltage protection, short circuit protection, and thermal overload protection.
- Pb-free devices suitable for automotive and other applications requiring unique site and control change requirements.
Applications
The NCV4276BDT50RKG is designed for use in harsh automotive environments and can be applied in various automotive systems, such as infotainment systems, navigation systems, and other electronic control units. It is also suitable for industrial and consumer electronics where high reliability and robust performance are required.
Q & A
- What is the maximum output current of the NCV4276BDT50RKG?
The maximum output current is 400 mA. - What are the available output voltage versions for the NCV4276B family?
The available output voltage versions are 3.3 V, 5.0 V, and adjustable voltage (from 2.5 V to 20 V). - What is the dropout voltage for the 5.0 V version of the NCV4276BDT50RKG?
The dropout voltage for the 5.0 V version is up to 500 mV. - Does the NCV4276BDT50RKG have thermal shutdown protection?
Yes, it has thermal shutdown protection that occurs above 150°C. - What is the inhibit function used for in the NCV4276BDT50RKG?
The inhibit function is used to control the state of the output voltage by setting the inhibit pin low. - Is the NCV4276BDT50RKG Pb-free?
Yes, the device is Pb-free. - What is the junction temperature range for the NCV4276BDT50RKG?
The junction temperature range is from -40°C to 150°C. - Does the NCV4276BDT50RKG have overcurrent protection?
Yes, it includes overcurrent protection as part of its fault protection mechanisms. - What types of packages are available for the NCV4276B family?
The devices are available in DPAK and D2PAK surface mount packages. - How does the adjustable voltage version of the NCV4276B set its output voltage?
The output voltage for the adjustable version is set using an external voltage divider connected to the Voltage Adjust Input pin.
