Details, datasheet, quote on part number: KA78R09TU
PartKA78R09TU
Category
Description1A Fixed 9V Low Dropout Voltage Regulator (LDO)
CompanyFairchild Semiconductor
DatasheetDownload KA78R09TU datasheet
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Features, Applications

Features

/ 9V Output low dropout voltage regulator TO220 Full-Mold package (4PIN) Overcurrent protection, Thermal shutdown Overvoltage protection, Short-Circuit protection With output disable function

Description

The is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 lead full mold package. Dropout voltage KA78R09 is below 0.5V in full rated current(1A). This regulator has various function such as peak current protection, thermal shut down, overvoltage protection and output disable function.

Parameter Input Voltage Disable Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Temperature Thermal Resistance, Junction-to Case (Note2) Thermal Resistance, Junction-to-Air (Note2) Thermal Shutdown Temperature Symbol Vin Vdis Pd2 Tj Topr Rjc Rja Ttsd Value Unit °C °C/W °C Remark No Heatsink With Heatsink -

(Vin = 25 °C, unless otherwise specified) Parameter Output Voltage Load Regulation Line Regulation Ripple Rejection Ratio Dropout Voltage Disable Voltage High Disable Voltage Low Disable Bias Current High Disable Bias Current Low Quiescent Current Symbol Vo Rload Rline RR Vdrop VdisH VdisL IdisH IdisL 10V < Vin = 1A Output Active Output Disabled Vdis = 2.7V Vdis = 0A Conditions Min. 45 2.0 Typ. Max. Unit µA mA

Note: 1.These parameters, although guaranteed, are not 100% tested in production. 2. Junction -to -case thermal resistance test enviroments. Pneumatic heat sink fixture. Clamping pressure 60psi through 12mm diameter cylinder. Thermal grease applied between PKG and heat sink fixture




 

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