Overview
The NCV4299D2R2G is a precision micropower voltage regulator produced by onsemi. This component is part of the NCV4299 family, which offers high accuracy and low current consumption, making it ideal for battery-operated microprocessor equipment and automotive applications. The NCV4299D2R2G is available in a 3.3 V output voltage configuration and is housed in an 8-lead SOIC package.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (3.3 V Version) | VQ | 3.23 | 3.3 | 3.37 | V |
| Output Current | IQ | - | - | 150 | mA |
| Quiescent Current (INH ON, IQ < 1.0 mA) | Iq | - | 90 | 105 | μA |
| Input Voltage to Regulator (DC) | VI | -40 | - | 45 | V |
| Input Peak Transient Voltage to Regulator wrt GND | - | - | - | 60 | V |
| Maximum Dropout Voltage at 100 mA | - | - | - | 0.5 | V |
| Operating Temperature Range | TJ | -40 | - | 150 | °C |
Key Features
- High accuracy output voltage: ±2% for both 5.0 V and 3.3 V versions.
- Extremely low current consumption: 90 μA (typ) in the ON mode and less than 1.0 μA in the OFF mode.
- Early warning and reset output: Provides an early warning signal of an impending reset condition and a reset output that notifies the user of an out-of-regulation condition.
- Adjustable reset threshold: Allows for adjusting the reset threshold using a resistor divider.
- Fault protection: Includes protection against short circuits, thermal overload, and reverse voltage up to -40 V.
- Inhibit function: Available on the 14-lead package, allowing the regulator to turn off and consume less than 1.0 μA of quiescent current.
- Internally fused leads in the SO-14 package.
- Pb-free devices.
Applications
The NCV4299D2R2G is suitable for a variety of applications, including:
- Battery-operated microprocessor equipment.
- Automotive environments due to its ability to withstand load dump transients and high peak transient voltages.
- Any system requiring high accuracy and low power consumption voltage regulation.
Q & A
- What is the output voltage accuracy of the NCV4299D2R2G?
The output voltage accuracy is ±2% for the 3.3 V version. - What is the maximum output current of the NCV4299D2R2G?
The maximum output current is 150 mA. - What is the quiescent current consumption in the ON mode?
The quiescent current consumption is typically 90 μA in the ON mode. - Does the NCV4299D2R2G have an inhibit function?
Yes, the inhibit function is available on the 14-lead package, but the 8-lead package does not have this feature. - What is the maximum dropout voltage at 100 mA?
The maximum dropout voltage at 100 mA is 0.5 V. - What type of fault protection does the NCV4299D2R2G offer?
The device offers protection against short circuits, thermal overload, and reverse voltage up to -40 V. - Is the NCV4299D2R2G Pb-free?
Yes, the NCV4299D2R2G is a Pb-free device. - What is the operating temperature range of the NCV4299D2R2G?
The operating temperature range is from -40°C to 150°C. - Can the NCV4299D2R2G be used in automotive applications?
Yes, it is suitable for automotive environments due to its ability to withstand load dump transients and high peak transient voltages. - How can the reset threshold be adjusted?
The reset threshold can be adjusted using a resistor divider connected to the RADJ pin.
