DI79L09ZAB

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

The DI79L09ZAB is a negative fixed voltage regulator from the DI79LxxZAB series by Diotec Semiconductor. It provides a nominal output of -9.0 V with a tolerance of ±5%. The device supports an output current of 100 mA and operates within an input voltage range of -30 V to -40 V, depending on the specific output voltage variant. It features a dropout voltage of 1.7 V and maintains operation across a junction temperature range of -40°C to +125°C. The component utilizes a TO-92 package.

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 and REACH regulations regarding material usage

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 exact part number against official Diotec Semiconductor documentation to confirm pinout and marking codes. Ensure the selected variant matches the required negative voltage polarity and input voltage constraints. Confirm compliance requirements such as RoHS status if applicable to your manufacturing process. Cross-reference datasheet specifications for line and load regulation to ensure suitability for your specific circuit design needs.

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

Select this component when a stable negative voltage rail is required for commercial or industrial applications. Consider the TO-92 package for through-hole mounting requirements. Evaluate the dropout voltage and quiescent current characteristics against your power budget. Verify that the maximum input voltage rating accommodates your system's peak negative supply levels without exceeding internal limits.

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

This device belongs to the DI79LxxZAB family of negative fixed voltage regulators. The series offers various fixed output voltages ranging from -5.0 V to -24 V. These regulators are designed for standard commercial and industrial grade reliability. The Z suffix indicates the TO-92 package configuration, distinguishing it from surface-mount variants like SOT-89 or SO-8 available in the broader product line.

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

Check for DI79L09UAB (SOT-89) if surface mount is preferred. Verify compatibility with other generic -9V LDOs only after confirming pinout alignment and electrical parameter equivalence.