KA78R05 - 320Volt

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<strong>KA78R05</strong>Absolute Maximum RatingsParameter Symbol Value Unit RemarkInput Voltage Vin 35 V -Disable Voltage Vdis 35 V -Output Current Io 1.0 A -Power Dissipation 1 Pd1 1.5 W No HeatsinkPower Dissipation 2 Pd2 15 W With HeatsinkJunction Temperature Tj +150 °C -Operating Temperature Topr -20 ~ +80 °C -Thermal Resistance, Junction-to Case (Note2) Rθjc 4.31 °C/W -Thermal Resistance, Junction-to-Air (Note2) Rθja 48.83 °C/W -Thermal Shutdown Temperature Ttsd 150 °C -Electrical Characteristics(Vin = 7V, Io = 0.5A, Ta = 25 °C, unless otherwise specified)Parameter Symbol Conditions Min. Typ. Max. UnitOutput Voltage Vo - 4.88 5 5.12 VLoad Regulation Rload 5mA < Io < 1A - 0.1 2.0 %Line Regulation Rline 6V < Vin < 12V - 0.5 2.5 %Ripple Rejection Ratio RR note1 45 55 - dBDropout Voltage Vdrop Io = 1A - - 0.5 VDisable Voltage High VdisH Output Active 2.0 - - VDisable Voltage Low VdisL Output Disabled - - 0.8 VDisable Bias Current High IdisH Vdis = 2.7V - - 20 µADisable Bias Current Low IdisL Vdis = 0.4V - - -0.4 mAQuiescent Current Iq Io = 0A - - 10 mANote: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 fixture2
<strong>KA78R05</strong>Typical Perfomance Characteristics750Output voltage Vo(V)654321RL=8RL=5ΩQuescent current Iq(mA)i40302010RL=8005 10 15Input voltage Vin (V)005 10Input voltage Vin (V)15Figure 1. Output Voltage vs. Input VoltageFigure 2. Quiescent Current vs. Input Voltage75.06Output voltage Vo(V)654321Output voltage Vo(V)5.045.025.004.984.964.94000.5 1 1.5 2 2.5Disable voltage Vdis (V)34.92-250 25 50 75 100 125TEMPERATURE Tj( o C )Figure 3. Output Voltage vs. Disable VoltageFigure 4. Output Voltage vs. Temperature(Tj)100.6Quescent current Iq(mA)i86420-250 25 50 75 100 125Junction temperature Tj( o C)Dropout voltage Vdrop(V)0.50.40.30.20.10-25Io=3A2.0A1.0A0.5A0 25 50 75 100Junction temperature Tj( o C)125Figure 5. Quiescent Current vs. Temperature(Tj)Figure 6. Dropout Voltage vs. Junction Temperature3
Page 4: KA78R05Typical Perfomance Character
Page 7 and 8: KA78R05Mechanical Dimensions (Conti
Page 9: KA78R05Ordering InformationProduct

KA78R05 - 320Volt

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