DI79L15UAB

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

The DI79L15UAB is a negative fixed voltage regulator from Diotec Semiconductor, housed in an SOT-89 package. It provides a nominal output voltage of -15 V with a tolerance of ±5%. The device supports a maximum output current of 0.1 A and operates within an input voltage range of -17.5 V to -30 V. It functions reliably across a junction temperature range of -40°C to +125°C. Key electrical characteristics include a typical dropout voltage of 1.7 V, quiescent current of 6.5 mA at 25°C, and ripple rejection of 39 dB at 120 Hz.

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

• Integrated thermal overload protection for safe operation under high load conditions
• Short circuit protection capability ensures device integrity during fault events
• Compliant with RoHS directives without exemptions

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. Confirm package type and tape-and-reel specifications match design requirements before finalizing procurement.

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

Select this component when a stable negative voltage rail is required for industrial or commercial circuits. Ensure the input voltage remains within the specified minimum and maximum limits relative to the load current. Verify that the thermal resistance and ambient operating temperatures allow for adequate power dissipation within the 125°C junction limit.

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

This part belongs to the DI79LxxUAB series of negative fixed voltage regulators. The series offers various fixed output voltages ranging from -5.0 V to -24 V. All variants share the same SOT-89 mechanical footprint and feature identical protection mechanisms, allowing for flexible design implementation across different negative voltage requirements.

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

Direct substitutes within the DI79LxxUAB family include DI79L12UAB (-12V) and DI79L18UAB (-18V). Cross-manufacturer replacements require matching pinout, voltage polarity, current capacity, and thermal performance specifications.