Overview
The NCV4269AD150R2G, produced by onsemi, is a 5.0 V precision micropower voltage regulator designed for low-power applications, particularly in battery-operated microprocessor equipment. This linear regulator offers a high degree of accuracy and reliability, making it suitable for various electronic systems. It features an output current capability of 150 mA, low quiescent current, and integrated fault protection mechanisms.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | VQ | 4.90 | 5.00 | 5.10 | V |
| Output Current Capability | IQ | - | - | 150 | mA |
| Quiescent Current (IQ = 1 mA, RO, SO High) | Iq | 190 | 250 | - | μA |
| Dropout Voltage (VI = 5 V, IQ = 100 mA) | Vdr | 0.25 | 0.5 | - | V |
| Reset Switching Threshold | VRT | 4.50 | 4.65 | 4.80 | V |
| Reset Adjust Switching Threshold (VQ > 3.5 V) | VRADJ,TH | 1.26 | 1.35 | 1.44 | V |
| Junction Temperature Range | TJ | -40 | - | 150 | °C |
Key Features
- 5.0 V ± 2.0% Output Voltage: High accuracy output voltage.
- Low Quiescent Current: Only 240 μA with a 1.0 mA load.
- Active Reset Output: Operates correctly at output voltages as low as 1.0 V.
- Adjustable Reset Threshold: Can be adjusted using an external resistor divider.
- Fault Protection: Includes protection against reverse battery, short circuit, and thermal overload.
- Early Warning through SI/SO Leads: Allows the microprocessor to complete tasks before shutdown.
- Integrated Pullup Resistor at Logic Outputs: Simplifies circuit design.
- Very Low Dropout Voltage: Ensures efficient operation.
- EMC Optimized: Suitable for use in environments with electromagnetic interference.
Applications
The NCV4269AD150R2G is ideal for battery-operated microprocessor equipment, automotive systems, and any application requiring a low-power, high-accuracy voltage regulator. It is particularly useful in environments where fault protection and early warning mechanisms are crucial, such as in automotive and industrial control systems.
Q & A
- What is the output voltage of the NCV4269AD150R2G?
The output voltage is 5.0 V with an accuracy of ±2.0%.
- What is the maximum output current capability of the NCV4269AD150R2G?
The maximum output current capability is 150 mA.
- What is the quiescent current of the NCV4269AD150R2G?
The quiescent current is 240 μA with a 1.0 mA load.
- Does the NCV4269AD150R2G have built-in fault protection?
Yes, it includes protection against reverse battery, short circuit, and thermal overload.
- How can the reset threshold be adjusted?
The reset threshold can be adjusted using an external resistor divider connected to the RADJ lead.
- What is the purpose of the SI/SO leads?
The SI/SO leads provide an early warning signal to the microprocessor of a potential impending reset signal, allowing the microprocessor to complete its current task before shutdown.
- Is the NCV4269AD150R2G suitable for automotive applications?
Yes, it is designed to withstand load dump transients and is optimized for EMC conditions, making it suitable for automotive environments.
- What is the junction temperature range of the NCV4269AD150R2G?
The junction temperature range is -40°C to 150°C.
- Does the NCV4269AD150R2G have integrated pullup resistors?
Yes, it has integrated pullup resistors at the logic outputs.
- What type of packages is the NCV4269AD150R2G available in?
The device is available in SO-8, SO-14, and SO-20 packages.
