DI78L05DAB

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

The DI78L05DAB is a positive fixed voltage linear regulator from Diotec Semiconductor, housed in an SO-8 surface-mount package. It provides a nominal output voltage of 5 V with a tolerance of ±5%, supporting a maximum output current of 100 mA. The device operates within an input voltage range of 30 V to 40 V and features a junction temperature range of -40°C to +125°C. Key electrical characteristics include a typical quiescent current of 6 mA, a dropout voltage of 1.7 V, and ripple rejection of 49 dB at 120 Hz.

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 ensures device safety during output faults
• Fixed voltage output eliminates the need for external feedback components

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 compliance requirements such as RoHS and REACH status before procurement. Confirm that the standard commercial/industrial grade meets the reliability needs of the target application. Check for specific automotive qualifications if AEC-Q101 standards are required, noting that these may involve distinct ordering suffixes. Ensure proper handling procedures are followed due to moisture sensitivity classification.

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

Select this component when a stable 5 V rail is needed with moderate current demands up to 100 mA. The SO-8 package suits space-constrained printed circuit board designs requiring surface mount technology. Consider the 1.7 V dropout voltage to ensure sufficient input-output differential across the full operating temperature and load range. Evaluate thermal resistance values for adequate heat dissipation on the PCB copper pads.

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

This part belongs to the DI78LxxDAB series of positive fixed voltage regulators manufactured by Diotec Semiconductor. The series offers various fixed voltage options ranging from 3.3 V to 24 V within the same SO-8 footprint. It is designed for commercial and industrial applications, providing a robust solution for general-purpose power management tasks requiring simple regulation and built-in protection mechanisms.

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

Cross-reference with other DI78LxxDAB variants for different voltage outputs. Verify pinout compatibility if substituting with similar SO-8 linear regulators from other manufacturers. Ensure equivalent thermal performance and protection features are maintained in any alternative selection.