L78M09ACDT-TR

$0.37

Description：IC REG LINEAR 9V 500MA DPAK
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR)

SKU:600cfdc8f5ef Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 9V 500MA DPAK
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：35V
Voltage - Output (Min/Fixed)：9V
Voltage - Output (Max)：-
Voltage Dropout (Max)：-
Current - Output：500mA
Current - Quiescent (Iq)：6 mA
Current - Supply (Max)：-
PSRR：56dB (120Hz)
Control Features：-
Protection Features：Over Current, Over Temperature, Short Circuit
Operating Temperature：0°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package：DPAK
Grade：-
Qualification：-

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L78M09ACDT-TR

Overview

The L78M09ACDT-TR is a three-terminal positive linear voltage regulator from the STMicroelectronics L78MxxA series. It provides a fixed 9 V output with a maximum current of 500 mA. The device operates within an input voltage range of 11.5 V to 24 V and features ±2% output voltage tolerance. It includes internal thermal overload protection, short-circuit protection, and safe area protection. The component is housed in a DPAK surface-mount package.

Feature Summary

Integrated thermal overload protection that shuts down the circuit during excessive power conditions
Internal short-circuit protection limits maximum output current
Output transistor safe-area compensation reduces output short-circuit current as voltage across the pass transistor increases

Applications

Local on-card regulation
Distribution systems requiring single-point regulation elimination
Adjustable voltage and current circuits using external components

Procurement Notes

Verify the specific ordering suffix 'DT' corresponds to the DPAK package type and tape-and-reel delivery format. Confirm the 'AC' designation indicates compliance with the guaranteed extended temperature range specifications defined for the L78MxxAC series. Ensure the component matches the required 9 V fixed output voltage.

Selection Notes

Select this component when a fixed 9 V supply is needed with up to 500 mA load capability. The DPAK package is suitable for surface-mount applications where space is limited compared to through-hole options. Consider the dropout voltage requirements relative to the input source to ensure stable regulation under all operating conditions.

Part Context

This part belongs to the L78MxxA series of precision regulators available in TO-220 and DPAK packages. The series offers various fixed output voltages including 5, 6, 8, 9, 10, 12, 15, and 24 V. These devices are designed to eliminate distribution problems associated with single-point regulation by providing local on-card regulation capabilities.