Details, datasheet, quote on part number: KA78T05
PartKA78T05
CategoryPower Management => Regulators => Linear Voltage Regulators => Positive
Description3-Terminal 3A Positive Voltage Regulator
CompanyFairchild Semiconductor
DatasheetDownload KA78T05 datasheet
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Features, Applications

Features

Output Current in Excess of 3.0A Output Transistor Safe Operating Area Compensation Power Dissipation: 25W Internal Short Circuit Current Limiting Internal Thermal Overload Protection Output Voltage Offered in 4% Tolerance No External Components Required Output Voltage 5, 12 and 15V

Description

This family of fixed voltage regulators are monolithic integrated circuit capable of driving loads in excess of 3.0A.

Parameter Input Voltage (for to 12V) (for = 15V) Power Dissipation Thermal Resistance, Junction to Air = +25C Thermal Resistance, Junction to Case = +25C Operating Junction Temperature Range Storage Temperature Range

Note: 1. Thermal resistance test board Size: * 1.6mm(1S0P) JEDEC standard: JESD51-7 2. Assume no ambient airflow.

(VI +125C, Po PMAX (Note3), unless otherwise specified.) Parameter Output Voltage Symbol Vo Conditions Io 3.0A Pulse = 3A ,TJ = 5.0mA Min. 4.8 4.75 Typ. Max. Unit V

Load Regulation (Note4) Thermal Regulation Quiescent Current

Ripple Rejection Dropout Voltage Output Noise Voltage Peak Output Current Output Resistance Short Circuit Current Limit

Average Temperature VO/T Coefficient of Output Voltage

3. Although power dissipation is internally limited, specifications apply only for PO Pmax, Pmax 25W 4. Load and line regulation are specified at constant junction temperature. Change in Vo due heating effects must be taken into account separately. Pulse testing with low duty is used.

(VI +125C, Po PMAX (Note1), unless otherwise specified.) Parameter Output Voltage Symbol Vo Conditions Io 3.0A Pulse = 3A ,TJ = 5.0mA Min. 11.5 11.4 Typ. Max. Unit V

Load Regulation (Note2) Thermal Regulation Quiescent Current

Ripple Rejection Dropout Voltage Output Noise Voltage Peak Output Current Output Resistance Short Circuit Current Limit Average Temperature Coefficient of Output Voltage

Note: 1. Although power dissipation is internally limited, specifications apply only for PO Pmax, Pmax 25W 2. Load and line regulation are specified at constant junction temperature. Change in Vo due heating effects must be taken into account separately. Pulse testing with low duty is used. ( PMAX = 25W)


 

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