Overview
The NCV7805BD2TR4G is a linear voltage regulator produced by onsemi, designed as a fixed-voltage regulator for a wide variety of applications. This regulator is part of the NCV7805 series, which is optimized for high-speed and low-voltage operations. It is particularly suited for local, on-card regulation and can be used with external components to achieve adjustable voltages and currents. The device features internal current limiting, thermal shutdown, and safe-area compensation, ensuring reliable operation under various conditions.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | 4.9 | 5.0 | 5.1 | Vdc |
| Output Current | 1.0 | A | ||
| Input Voltage Range | 7.0 | 20 | Vdc | |
| Line Regulation (7.5 Vdc ≤ Vin ≤ 20 Vdc, IO = 1.0 A) | 0.5 | 1.3 | mV | |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | 0.8 | 1.3 | mV | |
| Quiescent Current | 3.2 | 6.0 | mA | |
| Ripple Rejection (f = 120 Hz, IO = 500 mA) | 83 | dB | ||
| Dropout Voltage (IO = 1.0 A, TJ = 25°C) | 2.0 | Vdc | ||
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz) | 10 | µVrms | ||
| Short Circuit Current Limit (TA = 25°C) | 0.2 | A |
Key Features
- No external components required for basic operation.
- Internal thermal overload protection and short circuit current limiting.
- Output transistor safe-area compensation.
- Available in surface mount D 2 PAK and standard 3-lead transistor packages.
- Pb-free packages available.
- Ultra-high PSRR (Power Supply Rejection Ratio) for better noise rejection.
Applications
The NCV7805BD2TR4G is suitable for a variety of applications, including:
- Automotive systems: Due to its robust design and thermal protection, it is well-suited for automotive environments.
- Local, on-card regulation: Ideal for providing stable voltage to components on a PCB.
- Industrial control systems: Reliable operation in industrial settings where stability and protection are crucial.
- Consumer electronics: Can be used in various consumer devices requiring stable voltage regulation.
Q & A
- What is the output voltage of the NCV7805BD2TR4G?
The output voltage is 5.0 Vdc, with a tolerance of 1.5%, 2%, or 4% depending on the specific model. - What is the maximum output current of the NCV7805BD2TR4G?
The maximum output current is 1.0 A. - What are the package types available for the NCV7805BD2TR4G?
The device is available in surface mount D 2 PAK and standard 3-lead transistor packages. - Does the NCV7805BD2TR4G require external components for operation?
No, it does not require external components for basic operation. - What is the ripple rejection of the NCV7805BD2TR4G?
The ripple rejection is 83 dB at 120 Hz and 500 mA output current. - What is the dropout voltage of the NCV7805BD2TR4G?
The dropout voltage is 2.0 Vdc at 1.0 A output current. - Is the NCV7805BD2TR4G Pb-free?
Yes, Pb-free packages are available. - What are the thermal protection features of the NCV7805BD2TR4G?
The device features internal thermal overload protection and short circuit current limiting. - What is the quiescent current of the NCV7805BD2TR4G?
The quiescent current is typically 3.2 mA. - What are some common applications of the NCV7805BD2TR4G?
Common applications include automotive systems, local on-card regulation, industrial control systems, and consumer electronics.
