MC78LC30HT1G

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

The MC78LC30HT1G is a fixed-output micropower voltage regulator from the MC78LC00 series, manufactured by onsemi. It provides a nominal output voltage of 3.0 V with a maximum operating input voltage of 12 V. The device features an ultra-low quiescent current of 1.1 µA typical and high accuracy output voltage of ±2.5%. It utilizes a PMOS power transistor and is housed in a micro-miniature SOT-89, 3-pin surface mount package (Case 1213). Designed for low-cost ceramic capacitors, it requires a minimum output capacitor of 0.1 µF.

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

• Ultra-low quiescent current designed for battery-powered applications
• High accuracy output voltage regulation within ±2.5%
• Compatible with low-cost ceramic output capacitors

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

• Handheld communication equipment
• Portable battery-powered instruments
• Camcorders and cameras

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

Verify that the ordering suffix HT1G corresponds to the SOT-89 package and 3.0 V output specification. Confirm RoHS compliance status as indicated in the datasheet. Ensure application circuits adhere to the recommended minimum decoupling capacitor values and thermal dissipation limits specified for the SOT-89 package.

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

Select this component for designs requiring low standby current and stable 3.0 V regulation in space-constrained portable devices. Consider the SOT-89 package for its thermal performance relative to other surface mount options. Validate input voltage ranges against the 12 V maximum rating and ensure load requirements fall within the specified output current capabilities.

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

This part belongs to the MC78LC00 series of micropower voltage regulators. The series includes various fixed output voltages and packages such as Thin SOT23-5 and SOT-89. These regulators are engineered for handheld and portable applications where minimizing quiescent current is critical for extending battery life.

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

Other parts within the MC78LC00 series may serve as alternatives if different output voltages or package types like Thin SOT23-5 are acceptable. Verify pinout compatibility and electrical specifications before substitution.