Overview
The NCV4299D1R2 is a precision micropower voltage regulator produced by onsemi. This component is part of the NCV4299 family, which offers output current capabilities of up to 150 mA. It is available in two output voltage versions: 5.0 V and 3.3 V. The regulator is housed in either an 8-lead SOIC or a 14-lead SOIC (fused) package. The NCV4299D1R2 is designed for battery-operated microprocessor equipment, featuring low quiescent current and high accuracy in output voltage.
Key Specifications
| Characteristic | Symbol | Test Conditions | Min | Max | Unit | ||
|---|---|---|---|---|---|---|---|
| Output Voltage (5.0 V Version) | VQ | 1.0 mA < IQ < 150 mA, 6.0 V < VI < 16 V | 4.9 | 5.0 | 5.1 | V | |
| Output Voltage (3.3 V Version) | VQ | 1.0 mA < IQ < 150 mA, 5.5 V < VI < 16 V | 3.23 | 3.3 | 3.37 | V | |
| Current Limit | IQ | 250 | 400 | 500 | mA | ||
| Quiescent Current (INH ON, IQ < 1.0 mA, TJ = 25°C) | Iq | 86 | 100 | μA | |||
| Input Voltage to Regulator (DC) | VI | -40 | 45 | V | |||
| Input Peak Transient Voltage to Regulator wrt GND | 60 | V |
Key Features
- Output Voltage Accuracy: ±2% accuracy in output voltage.
- Low Dropout Voltage: Maximum dropout voltage of 0.5 V at 100 mA.
- Low Quiescent Current: Typically 90 μA in the ON mode and less than 1.0 μA in the OFF mode.
- Microprocessor Interfaces: Includes an adjustable reset output and adjustable system monitor for early warning signals.
- Inhibit Function: Available on the 14-lead part, turning off the regulator and reducing quiescent current to less than 1.0 μA.
- Fault Protection: Protected against reverse battery, short circuit, thermal overload, and load dump transients.
- Wide Temperature Range: Operates from -40°C to 150°C.
- Internally Fused Leads: Available in the SO-14 package.
- Pb-Free Devices: Compliant with lead-free requirements.
Applications
The NCV4299D1R2 is ideal for use in battery-operated microprocessor equipment, particularly in environments requiring low power consumption and high reliability. It is also suitable for automotive applications due to its ability to withstand load dump transients and other fault conditions.
- Battery-operated microprocessor systems
- Automotive electronics
- Low-power embedded systems
- Portable electronic devices
Q & A
- What are the available output voltages for the NCV4299D1R2?
The NCV4299D1R2 is available in 5.0 V and 3.3 V output voltage versions.
- What is the maximum output current capability of the NCV4299D1R2?
The maximum output current capability is 150 mA.
- What is the typical quiescent current of the NCV4299D1R2 in the ON mode?
The typical quiescent current in the ON mode is 90 μA.
- What is the quiescent current when the inhibit function is active?
When the inhibit function is active, the quiescent current is less than 1.0 μA.
- Does the NCV4299D1R2 have built-in fault protection?
Yes, it is protected against reverse battery, short circuit, thermal overload, and load dump transients.
- What is the operating temperature range of the NCV4299D1R2?
The operating temperature range is from -40°C to 150°C.
- Is the NCV4299D1R2 suitable for automotive applications?
Yes, it is suitable for automotive applications due to its ability to withstand load dump transients and other fault conditions.
- What packages are available for the NCV4299D1R2?
The regulator is available in 8-lead SOIC and 14-lead SOIC (fused) packages.
- Does the NCV4299D1R2 have an adjustable reset threshold?
Yes, the reset threshold is adjustable using an external resistor divider connected to the RADJ lead.
- Is the NCV4299D1R2 a Pb-free device?
Yes, the NCV4299D1R2 is a Pb-free device.
