Overview
The NCV2931ACDR2G is a part of the LM2931/NCV2931 series of voltage regulators produced by onsemi. This device is designed to provide adjustable output voltage and is particularly suited for harsh automotive environments. It features a low input-to-output voltage differential, high accuracy, and robust protection mechanisms such as load dump protection, reverse transient protection, and internal current limiting with thermal shutdown. The NCV2931ACDR2G is also AEC-Q100 qualified, making it reliable for automotive and other demanding applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Continuous | VI | - | - | 40 | Vdc |
| Transient Input Voltage (t ≤ 100 ms) | VI(τ) | - | - | 60 | Vpk |
| Output Current | IO | - | - | 100 | mA |
| Bias Current | IB | 0.4 | 1.0 | - | mA |
| Dropout Voltage (IO = 10 mA) | VI-VO | 0.015 | 0.2 | - | V |
| Dropout Voltage (IO = 100 mA) | VI-VO | 0.16 | 0.6 | - | V |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
| Thermal Resistance, Junction-to-Case | RθJC | - | - | 5.0 | °C/W |
| Thermal Resistance, Junction-to-Ambient | RθJA | - | - | 70 | °C/W |
Key Features
- Low input-to-output voltage differential of less than 0.6 V at 100 mA
- Output current in excess of 100 mA
- Low bias current of 0.4 mA at 10 mA output
- 60 V load dump protection and -50 V reverse transient protection
- Internal current limiting with thermal shutdown
- Temporary mirror-image protection
- Output inhibit pin for microprocessor-based systems
- High accuracy (±2.5%) reference voltage available
- AEC-Q100 qualified and PPAP capable for automotive applications
- Pb-free packages available
Applications
- Battery-powered consumer products
- Hand-held instruments
- Camcorders and cameras
- Automotive systems requiring robust voltage regulation
- Industrial and consumer equipment where extended battery life is desirable
Q & A
- What is the maximum output current of the NCV2931ACDR2G?
The maximum output current is in excess of 100 mA.
- What is the input-to-output voltage differential at 100 mA?
The input-to-output voltage differential is less than 0.6 V at 100 mA.
- What kind of protection does the NCV2931ACDR2G offer against transient voltages?
The device offers 60 V load dump protection and -50 V reverse transient protection.
- Is the NCV2931ACDR2G suitable for automotive applications?
- What is the operating ambient temperature range of the NCV2931ACDR2G?
The operating ambient temperature range is from -40°C to +125°C.
- Does the NCV2931ACDR2G have an output inhibit feature?
- What is the thermal resistance, junction-to-case, for the SOIC-8 package?
The thermal resistance, junction-to-case, is 5.0°C/W for the SOIC-8 package.
- Can the NCV2931ACDR2G be used in battery-powered equipment?
- What is the dropout voltage at 100 mA output current?
The dropout voltage is 0.16 V to 0.6 V at 100 mA output current.
- Is the NCV2931ACDR2G available in Pb-free packages?
