DI78M09D1

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

The DI78M09D1 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 9 V with a tolerance of ±4%. The device supports an output current of up to 1 A and operates with a maximum input voltage of 36 V. Its junction temperature range extends from -40°C to +150°C. Key electrical characteristics include a line regulation of 50 mV and load regulation of 50 mV under specified conditions.

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

• Integrated thermal overload protection for safe operation under high power dissipation
• Short circuit protection capability to safeguard the component and connected loads
• Fixed voltage output options including 9.0 V within the standard series

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 against official documentation to confirm compliance status. Standard versions are commercial/industrial grade. Suffixes such as -Q indicate AEC-Q101 compliance, while -AQ denotes qualification in progress. Ensure the selected variant matches the required reliability standards for the intended application environment before procurement.

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

Select this component when a 9 V fixed output at 1 A is required in a D-Pak package. Consider the 36 V maximum input rating and the 150°C junction temperature limit for thermal management. Verify that the operating ambient temperature falls within the -40°C to +85°C range for standard grades. Evaluate the dropout voltage and quiescent current requirements against system constraints.

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

This part belongs to the DI78MxxD1 series of positive fixed voltage regulators by Diotec Semiconductor. The series offers various fixed output voltages ranging from 5 V to 18 V. All variants share the same TO-252AA package and core protection features, differing primarily in their nominal output voltage settings and corresponding operating input voltage limits.

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

Direct substitutes within the DI78MxxD1 series include DI78M05D1, DI78M06D1, DI78M08D1, DI78M12D1, DI78M15D1, and DI78M18D1. These parts share identical packaging and protection features but provide different fixed output voltages.