PC
Rochester Electronics, LLCTO-204AA, TO-3RoHS

LM309K STEEL

IC REG LINEAR 5.05V 1.5A TO3-2

LM309K STEEL by Rochester Electronics, LLC
Subcategory

Pmic Voltage Regulators Linear

Package

TO-204AA, TO-3

Status

Active

$61.34 / unit (market reference)

MOQ: 5 pcs

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Parameters

ParameterValue
BrandRochester Electronics, LLC
ModelLM309K STEEL
Package / CaseTO-204AA, TO-3
Mounting TypeThrough Hole
Operating Temperature0°C ~ 125°C
Voltage - Input (Max)25V
Voltage - Output5.05V
Current - Output1.5A
Supplier Device PackageTO-3-2
RoHSRoHS
Part StatusActive

Application & Notes

LM309K STEEL by Rochester Electronics, LLC is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 25V, output 5.05V. The TO-204AA, TO-3 package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.

All Technical Specifications

Output TypeFixed
Current - Output1.5A
Protection FeaturesOver Temperature
Number of Regulators1
Output ConfigurationPositive
Voltage - Input (Max)25V
Current - Supply (Max)10 mA
Current - Quiescent (Iq)5.2 mA
Voltage - Output (Min/Fixed)5.05V

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