AS78L12RTR-G1

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

The AS78L12RTR-G1 is a three-terminal positive linear voltage regulator from the AS78LXX series by Diodes Incorporated. It provides a fixed 12V output with a maximum current of 100mA. The device operates within an input voltage range of 14.5V to 36V and features an operating junction temperature range of -40°C to +125°C. Electrical characteristics include a typical quiescent current of 6mA, line regulation of 20mV (max), load regulation of 20mV (max), and ripple rejection of 37dB at 120Hz. It utilizes SOT-89 surface-mount packaging.

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

• Integrated internal short circuit current limiting for overload protection
• Internal thermal shutdown protection against overheating
• Output transistor safe-area compensation prevents damage under stress
• Requires no external components for basic operation

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

• Consumer Electronics
• Microprocessor Power Supply
• Mother Board

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

Verify the specific suffix 'G1' indicates green package availability and confirm RoHS compliance status via the manufacturer's latest environmental declaration. Ensure the ordering code matches the required SOT-89 tape and reel packing format. Cross-reference the part number against official distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

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

Select this component when a fixed 12V supply is required for low-power applications drawing up to 100mA. The SOT-89 package is suitable for surface-mount designs requiring compact footprints. Consider the 36V maximum input rating and thermal resistance characteristics for heat dissipation planning in enclosed environments.

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

This device belongs to the AS78LXX series of 100mA positive voltage regulators manufactured by Diodes Incorporated. The series includes variants offering 5V, 12V, and 15V outputs in TO-92, SOT-89, and SOIC-8 packages. These regulators are designed for local on-card regulation tasks where moderate current capability and robust protection features are necessary.

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

AS78L12RTR-E1

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

What is the maximum power dissipation rating?

The absolute maximum power dissipation rating is 750 mW.

Does the device require external capacitors?

No external components are required for basic operation, though a minimum 0.01µF load capacitance is recommended to limit high-frequency noise.