Overview
The STMicroelectronics L7808CV-DG is a member of the L78 series of three-terminal positive voltage regulators. This component is designed to provide a stable 8V output voltage and is capable of delivering up to 1.5A of current. The L7808CV-DG is packaged in a TO-220-3 (TO-220AB) through-hole configuration, making it suitable for a variety of applications requiring reliable voltage regulation.
Although the L7808CV-DG is currently listed as obsolete and no longer manufactured, it remains a significant component in many existing designs and can be replaced with parametric equivalents when necessary.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage - Min | 10 V |
| Input Voltage - Max | 35 V |
| Output Voltage Fixed | 8 V |
| Dropout Voltage - Max | 2 V |
| Output Current - Max | 1.5 A |
| Package Style | TO-220-3 (TO-220AB) |
| Mounting Method | Through Hole |
| Minimum Operating Temperature | 0 °C |
| Maximum Operating Temperature | +125 °C |
| Output Noise Voltage | 10 µV/VO (at 25 °C, 10 Hz to 100 kHz) |
| Output Resistance | 17 mΩ (at 1 kHz) |
| Short Circuit Current | 0.2 A (at 25 °C, VI = 35 V) |
| Short Circuit Peak Current | 2.2 A (at 25 °C) |
| Output Voltage Drift | -1.1 mV/°C |
Key Features
- Stable Output Voltage: Provides a fixed 8V output voltage with minimal drift over temperature and load changes.
- High Current Capability: Can deliver up to 1.5A of current, making it suitable for power-intensive applications.
- Low Dropout Voltage: Features a maximum dropout voltage of 2V, ensuring efficient operation even at low input voltages.
- Wide Operating Temperature Range: Operates from 0 °C to +125 °C, making it versatile for various environmental conditions.
- Low Output Noise: Exhibits low output noise voltage of 10 µV/VO, which is crucial for noise-sensitive applications.
- Short Circuit Protection: Includes short circuit current and peak current protection to prevent damage during overload conditions.
Applications
- Power Supplies: Ideal for use in linear power supplies where a stable 8V output is required.
- Industrial Control Systems: Suitable for industrial control systems that need reliable voltage regulation.
- Consumer Electronics: Can be used in various consumer electronic devices requiring stable voltage regulation.
- Automotive Systems: Applicable in automotive systems where robust and reliable voltage regulation is necessary.
- Medical Devices: Used in medical devices that require precise and stable voltage regulation.
Q & A
- What is the output voltage of the L7808CV-DG?
The output voltage of the L7808CV-DG is fixed at 8V.
- What is the maximum current that the L7808CV-DG can deliver?
The L7808CV-DG can deliver up to 1.5A of current.
- What is the maximum input voltage for the L7808CV-DG?
The maximum input voltage for the L7808CV-DG is 35V.
- What is the dropout voltage of the L7808CV-DG?
The dropout voltage of the L7808CV-DG is 2V.
- What is the operating temperature range of the L7808CV-DG?
The operating temperature range of the L7808CV-DG is from 0 °C to +125 °C.
- What type of packaging does the L7808CV-DG use?
The L7808CV-DG is packaged in a TO-220-3 (TO-220AB) through-hole configuration.
- Is the L7808CV-DG still in production?
No, the L7808CV-DG is currently listed as obsolete and no longer manufactured.
- What are some common applications for the L7808CV-DG?
Common applications include power supplies, industrial control systems, consumer electronics, automotive systems, and medical devices.
- What is the minimum load current required for regulation?
The minimum load current required for regulation is 5 mA.
- Does the L7808CV-DG have short circuit protection?
Yes, the L7808CV-DG includes short circuit current and peak current protection.
