DI79L12UAB

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

The DI79L12UAB is a negative fixed voltage regulator from the DI79LxxUAB series by Diotec Semiconductor. It provides a nominal output of -12 V with a tolerance of ±5% and supports an output current of 0.1 A (100 mA). The device operates within an input voltage range of -14.5 V to -27 V and features a dropout voltage of 1.7 V. It utilizes an SOT-89 surface-mount package and maintains junction temperatures between -40°C and +125°C.

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

• Integrated thermal overload protection for safe operation under excessive heat conditions
• Short circuit protection capability to safeguard against output faults
• 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 that the specific part number matches the required negative polarity and voltage rating. Confirm compliance with REACH and conflict mineral regulations if applicable to your supply chain requirements. Ensure the ordering suffix aligns with any automotive qualification needs, as standard versions differ from AEC-Q101 compliant variants.

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

Select this component when a stable negative rail is required for low-to-moderate current loads. The SOT-89 package suits space-constrained designs needing surface mount assembly. Consider the dropout voltage and maximum input voltage limits to ensure proper regulation across the intended operating temperature range.

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

This device belongs to the DI79LxxUAB family of negative fixed voltage regulators. The series offers various output voltages ranging from -5.0 V to -24 V, all sharing similar protection features and packaging options like SOT-89 and TO-92. It serves as a direct complement to positive regulator families in dual-supply systems.

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

Check for exact pinout compatibility and thermal resistance values when substituting. Verify that alternative parts support the same -12 V nominal output and 100 mA current capacity. Ensure the replacement meets the required -40°C to +125°C junction temperature range.