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L7809CT

POSITIVE VOLTAGE REGULATORS

The L7809CT is an electronic component from STMicroelectronics. POSITIVE VOLTAGE REGULATORS. View the full L7809CT datasheet below including absolute maximum ratings.

Manufacturer

STMicroelectronics

Overview

Part: L7800 series

Type: Positive Voltage Regulator

Key Specs:

  • Output Current: up to 1.5 A
  • Output Voltages: 5 V, 5.2 V, 6 V, 8 V, 8.5 V, 9 V, 12 V, 15 V, 18 V, 24 V
  • DC Input Voltage: up to 35 V (for VO= 5 to 18V), up to 40 V (for VO= 20, 24V)
  • Operating Junction Temperature: -55 to 150 °C (L7800), 0 to 150 °C (L7800C)
  • Dropout Voltage: 2 V (typical) at 1 A

Features:

  • Thermal Overload Protection
  • Short Circuit Protection
  • Output Transition SOA Protection
  • Internal Current Limiting
  • Thermal Shut-down
  • Safe Area Protection
  • Can be used with external components for adjustable voltage and currents

Applications:

  • Local on-card regulation

Package:

  • TO-220
  • TO-220FP
  • TO-3
  • D2PAK

Absolute Maximum Ratings

SymbolParameter²ValueUnit
DC Input Voltagefor VO= 5 to 18V35
VIfor VO= 20, 24V40
IOOutput CurrentInternally Limited
PtotPower DissipationInternally Limited
TstgStorage Temperature Range-65 to 150
TopOperating Junction Temperaturefor L7800-55 to 150
Rangefor L7800C0 to 150

Thermal Information

SymbolParameterD2PAKTO-220TO-220FPTO-3Unit
Rthj-caseThermal Resistance Junction-case Max3554°C/W
Rthj-ambThermal Resistance Junction-ambient Max62.5506035°C/W

Typical Application

Package Information

25/29

  • DIM.
  • A
  • B
  • D
  • E
  • F
  • F1
  • F2
  • G
  • G1
  • H
  • L2
  • L3
  • L4
  • L6
  • L7
  • DIA.

mm.inch
DIM.MIN.TYPMAX.MIN.
A4.44.60.173
A12.492.690.098
A20.030.230.001
B0.70.930.027
B21.141.70.044
C0.450.60.017
C21.231.360.048
D8.959.350.352
D18
E1010.40.393
E18.5
G4.885.280.192
L1515.850.590
L21.271.40.050
L31.41.750.055
M2.43.20.094
R0.4
DIM.mm.inch
MIN.TYPMAX.MIN.
A180
C12.813.013.20.504
D20.20.795
N602.362
T14.4
Ao10.5010.610.700.413
Bo15.7015.8015.900.618
Ko4.804.905.000.189
Po3.94.04.10.153
P11.912.012.10.468

28/29

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.

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Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
L7809CSTMicroelectronics
L7809CD2TSTMicroelectronics
L7809CPSTMicroelectronics
L7809CVSTMicroelectronicsTO-220-3
Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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