SG7812AK-883B

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The SG7812AK-883B is a positive fixed linear voltage regulator manufactured by Microchip Technology, designed for high-reliability applications. It provides a nominal output voltage of 12 V with a maximum load current capability of 1.5 A. The device features a TO-3-3 package suitable for surface mount or through-hole installation. Electrical specifications include a line regulation of 60 mV and load regulation of 80 mV. The quiescent current is specified at 6 mA. The operational temperature range extends from -55 °C to +150 °C, ensuring stability in extreme environments.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• High-reliability construction utilizing an on-chip trimming system for precise voltage accuracy within ±1.5% of nominal.
• Improved bandgap reference design minimizes output voltage drift and enhances line and load regulation characteristics.
• Positive fixed output configuration offering self-contained regulation without external component requirements.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Military and aerospace electronic systems requiring high reliability
• Industrial control equipment operating in extreme temperatures
• Test and measurement instrumentation power supplies

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific ordering suffix and revision level against the manufacturer's official datasheet to ensure compatibility with required military or industrial standards. Confirm that the TO-3-3 package dimensions match the target PCB layout or chassis mounting constraints. Check for any recent product change notices (PCNs) affecting material composition or testing protocols before finalizing procurement orders.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 12 V output is required with up to 1.5 A current capacity in harsh environments. Ensure the input voltage remains within safe limits to maintain proper dropout voltage margins. Consider thermal management strategies given the wide operating temperature range and power dissipation capabilities inherent to the TO-3-3 package structure.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the SG78xxA series of positive fixed voltage regulators from Microchip Technology. The 'A' designation indicates enhanced performance characteristics compared to standard variants, specifically improved regulation and tighter voltage tolerances achieved through unique on-chip trimming processes.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Cross-reference with other SG78xxA series parts for different voltage outputs if system requirements change. Verify pinout compatibility when substituting with similar TO-3-3 packaged regulators from other manufacturers.