The CA3085AS is a voltage regulator manufactured by Rochester Electronics. It is a versatile integrated circuit designed to provide a stable and regulated output voltage, making it suitable for a wide range of electronic applications. As a product from Rochester Electronics, it is likely a remanufactured or continued production part, ensuring availability for legacy systems and designs.

Applications

• Voltage regulation in power supplies: Provides a stable voltage source for sensitive electronic components.
• Linear regulators: Used in applications requiring a precise and stable voltage output.
• Series regulators: Can be configured as a series regulator for simple and efficient voltage control.
• Shunt regulators: Can be utilized as a shunt regulator for applications needing voltage clamping.
• Control systems: Maintains a steady voltage level for control circuitry.
• Instrumentation: Used in test and measurement equipment to ensure accurate readings.
• Audio amplifiers: Regulates voltage to minimize noise and distortion.

Features

• Adjustable Output Voltage: Allows for flexibility in voltage selection, accommodating different application needs.
• Overload Protection: Protects the regulator and connected circuitry from excessive current draw.
• Short-Circuit Protection: Prevents damage from short circuits, enhancing reliability.
• Thermal Shutdown: Automatically shuts down the regulator if it overheats, preventing thermal damage.
• High Ripple Rejection: Effectively filters out ripple voltage from the input, ensuring a clean output.
• Wide Input Voltage Range: Accommodates a variety of input voltages, enhancing versatility.
• Low Quiescent Current: Minimizes power consumption when idle, improving efficiency.

Benefits

• Stable Voltage Output: Ensures consistent performance of electronic circuits.
• Protection Against Overloads: Enhances the lifespan and reliability of the regulator and connected components.
• Reduced Noise: Provides a clean and stable voltage, minimizing noise in sensitive applications.
• Improved Efficiency: Low quiescent current reduces power consumption, saving energy.
• Flexibility in Application: Adjustable output voltage and wide input voltage range make it suitable for diverse uses.
• Easy Integration: Simple design allows for straightforward integration into existing circuits.
• Cost-Effective: Provides reliable voltage regulation at a reasonable cost.

Additional Details

The CA3085AS is typically available in a variety of package types, including through-hole and surface mount options. Its specifications include a maximum input voltage rating, output current capability, and operating temperature range. The device's performance is influenced by factors such as load current, input voltage, and ambient temperature.

When selecting the CA3085AS for an application, it's crucial to consider the power dissipation requirements and ensure adequate heat sinking to prevent overheating. Proper filtering and decoupling techniques are also recommended to minimize noise and ensure stable operation.