DI78M15D1

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

The DI78M15D1 is a positive fixed voltage linear regulator from Diotec Semiconductor, housed in a DPAK (TO-252AA) package. It provides a nominal output voltage of 15 V with a tolerance of ±4%. The device supports an input voltage up to 36 V and delivers an output current of 1 A. Key electrical parameters include a line regulation of 50 mV, load regulation of 50 mV, and a quiescent current of 6 mA maximum. It features thermal overload protection, short circuit protection, and operates 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 faults
• Fixed voltage output available in standard values including 15 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 part marking code against official Diotec documentation to confirm authenticity. Ensure the ordering suffix matches the required qualification grade, as standard versions differ from automotive-compliant variants. Confirm compliance requirements such as RoHS and REACH status directly with the manufacturer or authorized distributors before finalizing procurement specifications.

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

Select this component when a fixed 15 V output is required with up to 1 A load current. Verify that the input voltage does not exceed the operating limit of 32 V for this specific voltage variant. Consider the thermal resistance characteristics and ensure adequate PCB copper area for heat dissipation to maintain junction temperatures within the specified limits during continuous operation.

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

This device belongs to the DI78MxxD1 series of positive fixed voltage regulators manufactured by Diotec Semiconductor. The series offers various fixed output voltages ranging from 5 V to 18 V. All variants share the same DPAK mechanical footprint and feature similar protection mechanisms, differing primarily in their nominal output voltage and corresponding operating input voltage limits.

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

Direct substitutes are not explicitly listed in the provided documentation. When evaluating alternatives, match the DPAK package, 1 A output current capability, and 15 V fixed output voltage. Ensure the replacement device meets the same thermal and short-circuit protection requirements.