Overview
The NCV4274CDS50R4G is a precision micro-power voltage regulator produced by onsemi. This device is part of the NCV4274C series and is specifically configured for a fixed 5.0 V output. It is available in the D2PAK package, making it suitable for applications requiring compact and efficient power regulation.
The regulator offers an output current capability of 400 mA and features a low dropout voltage of 0.5 V, with an input voltage range up to 40 V. It is designed for low quiescent current, drawing only 125 µA at a 1 mA load, which is ideal for battery-operated and automotive applications.
The device includes protection against reverse battery, short circuit, and thermal overload conditions, ensuring robust operation in various environments.
Key Specifications
| Parameter | Symbol | Condition | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Input Voltage | VI | 5.5 | 40 | V | ||
| Output Voltage | VQ | 5 mA < IQ < 400 mA, 6 V < VI < 28 V | 4.9 | 5.0 | 5.1 | V |
| Output Current | IQ | 400 | mA | |||
| Quiescent Current | Iq | 1 mA load current | 125 | µA | ||
| Dropout Voltage | VDO | 0.5 | V | |||
| Power Supply Ripple Rejection | PSRR | ƒr = 100 Hz, Vr = 0.5 VPP | 60 | dB | ||
| Thermal Shutdown Temperature | TSD | 150 | °C | |||
| Junction Temperature | TJ | -40 | 150 | °C |
Key Features
- Precision Output Voltage: Available in 3.3 V and 5.0 V options with ±2.0% accuracy.
- Low Quiescent Current: Draws only 125 µA at a 1 mA load, making it suitable for battery-operated devices.
- High Output Current Capability: Up to 400 mA output current.
- Low Dropout Voltage: Maximum dropout voltage of 0.5 V.
- Protection Features: Protected against reverse battery, short circuit, and thermal overload conditions.
- Thermal Stability: Thermal shutdown temperature of 150°C to prevent overheating.
- Power Supply Ripple Rejection: High PSRR of 60 dB at 100 Hz.
Applications
The NCV4274CDS50R4G is ideal for various applications, including:
- Automotive Systems: Suitable for use in automotive environments due to its ability to withstand load dump transients and other harsh conditions.
- Battery-Operated Devices: Low quiescent current makes it efficient for battery-powered equipment.
- Microprocessor Equipment: Provides stable and regulated voltage for microprocessor-based systems.
- General Power Regulation: Can be used in any application requiring a stable and efficient voltage regulator.
Q & A
- What is the output voltage accuracy of the NCV4274CDS50R4G?
The output voltage accuracy is ±2.0% for both 3.3 V and 5.0 V versions.
- What is the maximum output current of the NCV4274CDS50R4G?
The maximum output current is 400 mA.
- What is the quiescent current of the NCV4274CDS50R4G at a 1 mA load?
The quiescent current is 125 µA at a 1 mA load.
- What is the maximum dropout voltage of the NCV4274CDS50R4G?
The maximum dropout voltage is 0.5 V.
- What protection features does the NCV4274CDS50R4G have?
The device is protected against reverse battery, short circuit, and thermal overload conditions.
- What is the thermal shutdown temperature of the NCV4274CDS50R4G?
The thermal shutdown temperature is 150°C.
- What is the power supply ripple rejection (PSRR) of the NCV4274CDS50R4G?
The PSRR is 60 dB at 100 Hz.
- In what packages is the NCV4274CDS50R4G available?
The device is available in DPAK, D2PAK, and SOT-223 packages.
- What are the typical applications for the NCV4274CDS50R4G?
Typical applications include automotive systems, battery-operated devices, microprocessor equipment, and general power regulation.
- Is the NCV4274CDS50R4G AEC-Q100 qualified?
Yes, the NCV4274CDS50R4G is AEC-Q100 qualified and PPAP capable.
