DI78M12D1

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

The DI78M12D1 is a positive fixed voltage linear regulator from Diotec Semiconductor, housed in a TO-252AA (D-Pak) package. It provides a nominal output voltage of 12 V with a tolerance of ±4%, supporting an output current up to 1 A. The device operates with a maximum input voltage of 36 V and features thermal overload and short-circuit protection. Key electrical characteristics include a line regulation of 50 mV, load regulation of 50 mV, and ripple rejection of 70 dB at 120 Hz. It functions within a junction temperature range of -40°C to +150°C.

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

• Integrated thermal overload protection for safe operation under high power dissipation conditions
• Short-circuit protection capability ensures device safety during output fault scenarios
• Fixed voltage output options available across a standard range including 12 V

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

• High efficiency linear regulators
• Active SCSI termination regulator
• Post regulators for switch mode DC-DC converters
• Battery backed-up regulated supply

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

Verify the specific ordering suffix when procuring. Standard versions are commercial/industrial grade. Suffixes such as -Q indicate AEC-Q101 compliance, while -AQ denotes qualification status. Confirm package availability and tape-and-reel quantities match project requirements before finalizing orders.

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

Select this component for applications requiring a robust 1 A linear regulator with integrated protection features. Ensure the input voltage remains within the operational limit of 32 V for the 12 V variant. Consider the thermal resistance values for heat sinking design to maintain junction temperatures within the specified operating range.

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

This part belongs to the DI78MxxD1 series of positive fixed voltage regulators. The series offers various output voltages including 5 V, 6 V, 8 V, 9 V, 12 V, 15 V, and 18 V. All variants share similar mechanical data and protection features, differing primarily in their regulated output voltage levels.

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

Check for alternative part numbers within the same manufacturer's portfolio that offer different voltage outputs or packaging options if pin compatibility is required. Verify thermal performance and current ratings against existing designs.