Overview
The MC7808CD2TR4G is a 1.0 A positive voltage regulator produced by ON Semiconductor. This component is part of the MC78XX series, known for its high performance and reliability in various electronic systems. The MC7808CD2TR4G is specifically designed to provide a fixed output voltage of 8.0 V, making it suitable for applications requiring stable and regulated voltage supply.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 7.7 | 8.0 | 8.3 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 7.6 | 8.0 | 8.4 | Vdc |
| Input Voltage (Max) | Vin | 35 | Vdc | ||
| Peak Output Current (TJ = 25°C) | Imax | 2.2 | A | ||
| Line Regulation (TJ = 25°C) | Regline | 10 | mV | ||
| Load Regulation | 10 | mV | |||
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz) | Vn | 10 | μV/VO | ||
| Output Resistance (f = 1.0 kHz) | rO | 1.0 | mΩ | ||
| Short Circuit Current Limit (TA = 25°C) | ISC | 0.2 | A | ||
| Average Temperature Coefficient of Output Voltage | TCVO | -0.5 | mV/°C |
Key Features
- Fixed Output Voltage: Provides a stable output voltage of 8.0 V.
- High Current Capability: Can supply up to 1.0 A of output current.
- Line and Load Regulation: Excellent line and load regulation ensure minimal voltage variation under different input and load conditions.
- Low Dropout Voltage: The dropout voltage is typically 2.0 V, making it efficient in power supply designs.
- Short Circuit Protection: Includes short circuit current limiting to protect the device from overcurrent conditions.
- Thermal Stability: The average temperature coefficient of output voltage ensures stable operation over a wide temperature range.
Applications
- Power Supplies: Ideal for use in power supply units requiring a stable 8.0 V output voltage.
- Industrial Control Systems: Suitable for industrial control systems that need reliable voltage regulation.
- Consumer Electronics: Used in various consumer electronics such as audio equipment, medical devices, and other applications requiring stable DC voltage.
- Automotive Systems: Can be used in automotive systems where a regulated 8.0 V supply is necessary.
Q & A
- What is the output voltage of the MC7808CD2TR4G?
The output voltage of the MC7808CD2TR4G is 8.0 V.
- What is the maximum input voltage for the MC7808CD2TR4G?
The maximum input voltage for the MC7808CD2TR4G is 35 V.
- What is the peak output current of the MC7808CD2TR4G?
The peak output current of the MC7808CD2TR4G is 2.2 A.
- Does the MC7808CD2TR4G have short circuit protection?
Yes, the MC7808CD2TR4G includes short circuit current limiting.
- What is the typical dropout voltage of the MC7808CD2TR4G?
The typical dropout voltage of the MC7808CD2TR4G is 2.0 V.
- What is the average temperature coefficient of output voltage for the MC7808CD2TR4G?
The average temperature coefficient of output voltage for the MC7808CD2TR4G is -0.5 mV/°C.
- What are the typical applications of the MC7808CD2TR4G?
The MC7808CD2TR4G is typically used in power supplies, industrial control systems, consumer electronics, and automotive systems.
- How does the MC7808CD2TR4G handle line and load regulation?
The MC7808CD2TR4G has excellent line and load regulation, ensuring minimal voltage variation under different input and load conditions.
- What is the output noise voltage of the MC7808CD2TR4G?
The output noise voltage of the MC7808CD2TR4G is typically 10 μV/VO over the frequency range of 10 Hz to 100 kHz.
- What is the output resistance of the MC7808CD2TR4G at 1.0 kHz?
The output resistance of the MC7808CD2TR4G at 1.0 kHz is typically 1.0 mΩ.
