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RT9011-GMPJ6 Datasheet(PDF) 10 Page - Richtek Technology Corporation |
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RT9011-GMPJ6 Datasheet(HTML) 10 Page - Richtek Technology Corporation |
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10 / 15 page  RT9011 10 DS9011-08 April 2011 www.richtek.com For recommended operating conditions specification of RT9011, the maximum junction temperature is 125 °C. The junction to ambient thermal resistance ( θJA is layout dependent ) for TSOT-23-6 is 220 °C/W, WDFN-8L 2x2 is 165 °C/W, WDFN-10L 3x3 is 108°C/W, WDFN-8L 3x3 is 108 °C/W and WDFN-8L 1.6x1.6 is 175°C/W on the standard JEDEC 51-3 single-layer thermal test board. The maximum power dissipation at TA= 25 °C can be calculated by following formula : PD(MAX) = ( 125 °C − 25°C ) / (220°C/W) = 0.455W for TSOT-23-6 packages PD(MAX) = ( 125 °C − 25°C ) / (165°C/W) = 0.606W for WDFN-8L 2x2 packages PD(MAX) = ( 125 °C − 25°C ) / (108°C/W) = 0.926W for WDFN-10L 3x3 packages PD(MAX) = ( 125 °C − 25°C ) / (108°C/W) = 0.926W for WDFN-8L 3x3 packages PD(MAX) = ( 125 °C − 25°C ) / (175°C/W) = 0.571W for WDFN-6L 1.6x1.6 packages The maximum power dissipation depends on operating ambient temperature for fixed TJ(MAX) and thermal resistance θJA. For RT9011 packages, the Figure 3 of de- rating curves allows the designer to see the effect of rising ambient temperature on the maximum power allowed. Figure 3. Derating Curves for RT9011 Packages 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 25 50 75 100 125 Ambient Temperature (°C) WDFN-8L 2x2 TSOT-23-6 WDFN-8L 3x3 WDFN-10L 3x3 Single Layer PCB WDFN-6L 1.6x1.6 |
Similar Part No. - RT9011-GMPJ6 |
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