Overview
The NCV4276BDS50R4G is a 400 mA output current integrated low dropout regulator produced by onsemi. This device is designed for use in harsh automotive environments and offers a range of features that make it suitable for various applications requiring stable and regulated voltage. The NCV4276B family includes fixed voltage versions (3.3 V and 5.0 V) and an adjustable voltage version, all with ±2% output voltage accuracy. It is available in DPAK and D2PAK surface mount packages, ensuring high reliability and performance in demanding conditions.
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 | 4.9 | 5.0 | 5.1 | V |
| Output Current | IQ | 400 | 1100 | mA | |
| Dropout Voltage (5.0 V Version) | VDR | 500 | mV | ||
| Quiescent Current (Sleep Mode) | Iq | 10 | μA | ||
| Junction Temperature | TJ | -40 | 150 | °C | |
| Storage Temperature | Tstg | -50 | 150 | °C |
Key Features
- 3.3 V, 5.0 V, and Adjustable Voltage Version (from 2.5 V to 20 V) with ±2% Output Voltage Accuracy
- 400 mA Output Current
- 500 mV (max) Dropout Voltage (5.0 V Output)
- Inhibit Input for Control of Output Voltage State
- Very Low Current Consumption
- Fault Protection: +45 V Peak Transient Voltage, -42 V Reverse Voltage, Short Circuit, and Thermal Overload
- Pb-Free Devices
- Available in DPAK and D2PAK Surface Mount Packages
- Output Stable Over a Wide Output Capacitance and ESR Range
- Improved Startup Behavior During Input Voltage Transients
Applications
The NCV4276BDS50R4G is designed for use in harsh automotive environments but can also be applied in various other scenarios requiring stable and regulated voltage. These include:
- Automotive Systems: Powering electronic control units, sensors, and other automotive electronics.
- Industrial Control Systems: Providing stable voltage in industrial automation and control systems.
- Consumer Electronics: Used in devices that require low dropout voltage regulation.
- Medical Devices: Ensuring reliable voltage supply in medical equipment.
Q & A
- What is the maximum output current of the NCV4276BDS50R4G?
The maximum output current is 400 mA. - What are the available output voltage versions for the NCV4276B?
The device is available in 3.3 V, 5.0 V, and adjustable voltage versions (from 2.5 V to 20 V). - What is the dropout voltage for the 5.0 V version?
The dropout voltage for the 5.0 V version is up to 500 mV. - Does the NCV4276B have fault protection features?
Yes, it includes fault protection features such as +45 V peak transient voltage, -42 V reverse voltage, short circuit, and thermal overload protection. - What are the package options for the NCV4276B?
The device is available in DPAK and D2PAK surface mount packages. - How does the inhibit input function on the NCV4276B?
The inhibit input allows for control of the output voltage state; setting it low inhibits the output. - What is the junction temperature range for the NCV4276B?
The junction temperature range is -40°C to 150°C. - Is the NCV4276B Pb-Free?
Yes, the NCV4276B is a Pb-Free device. - How stable is the output voltage over different output capacitance and ESR ranges?
The output is stable over a wide output capacitance and ESR range. - What is the quiescent current in sleep mode for the NCV4276B?
The quiescent current in sleep mode is up to 10 μA.
