Overview
The NCV4299D233G 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. The NCV4299D233G is specifically configured to provide a 3.3 V output voltage with a current capability of up to 150 mA. It features an adjustable reset output and system monitor, providing early warning signals for impending reset conditions. The device is available in both 8-lead and 14-lead SOIC packages, with the 14-lead package including an inhibit function that reduces quiescent current to less than 1.0 µA when active.
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 mA) | Iq | - | 90 | 105 | µA |
| Dropout Voltage (IQ = 100 mA) | Vdr | - | 0.22 | 0.50 | V |
| Load Regulation | ΔVQ | - | 5.0 | 30 | mV |
| Line Regulation | ΔVQ | - | 10 | 25 | mV |
| Power Supply Ripple Rejection | PSRR | - | 66 | - | dB |
| Input Voltage Range | VI | -40 | - | 45 | V |
| Operating Temperature Range | TJ | -40 | - | 150 | °C |
Key Features
- Precision Output Voltage: ±2% accuracy for both 5.0 V and 3.3 V versions.
- Low Quiescent Current: Typically 90 µA in the ON mode and less than 1.0 µA in the OFF mode.
- Early Warning and Reset: Adjustable reset threshold and system monitor providing early warning signals.
- Wide Temperature Range: Operates from -40°C to 150°C.
- Fault Protection: Includes short circuit, thermal overload, and peak transient voltage protection.
- Inhibit Function: Available on the 14-lead package, reducing quiescent current to less than 1.0 µA when active.
- Internally Fused Leads: Available in the SO-14 package for added reliability.
- Pb-Free Devices: Compliant with lead-free requirements.
Applications
The NCV4299D233G is suitable for a variety of applications, particularly in battery-operated microprocessor equipment. It is ideal for use in:
- Battery-powered devices requiring low quiescent current.
- Automotive systems due to its ability to withstand load dump transients and wide temperature range.
- Industrial control systems where precision voltage regulation and fault protection are critical.
- Consumer electronics that require reliable and efficient power management.
Q & A
- What is the output voltage accuracy of the NCV4299D233G?
The output voltage accuracy is ±2% for the 3.3 V version.
- What is the maximum output current of the NCV4299D233G?
The maximum output current is 150 mA.
- What is the typical quiescent current when the inhibit function is active?
The typical quiescent current is less than 1.0 µA when the inhibit function is active.
- What is the dropout voltage at 100 mA output current?
The dropout voltage is typically 0.22 V to 0.50 V at 100 mA output current.
- Does the NCV4299D233G have built-in fault protection?
- What is the operating temperature range of the NCV4299D233G?
The operating temperature range is from -40°C to 150°C.
- Is the NCV4299D233G suitable for automotive applications?
- What is the purpose of the inhibit function on the 14-lead package?
The inhibit function turns off the regulator and reduces quiescent current to less than 1.0 µA when active.
- Does the NCV4299D233G have an adjustable reset threshold?
- Is the NCV4299D233G Pb-free?
