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TEA1791T データシート(PDF) 5 Page - NXP Semiconductors |
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TEA1791T データシート(HTML) 5 Page - NXP Semiconductors |
5 / 11 page TEA1791T_1 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 01 — 3 February 2009 5 of 11 NXP Semiconductors TEA1791T GreenChip synchronous rectifier controller 8. Limiting values [1] Equivalent to discharging a 100 pF capacitor through a 1.5 k Ω series resistor. [2] Equivalent to discharging a 200 pF capacitor through a 0.75 µH coil and a 1.5 kΩ series resistor. 9. Thermal characteristics Table 3. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages are measured with respect to ground (pin 2); positive currents flow into the chip. The voltage ratings are valid provided other ratings are not violated; current ratings are valid provided the other ratings are not violated. Symbol Parameter Conditions Min Max Unit Voltages VCC supply voltage continuous −0.4 +38 V VSRSENSE voltage on pin SRSENSE continuous - 120 V Currents IDRIVER current on pin DRIVER duty cycle < 10 % −0.8 +3 A ISRSENSE current on pin SRSENSE −3- mA General Ptot total power dissipation Tamb <80 °C - 0.45 W Tstg storage temperature −55 +150 °C Tj junction temperature −20 +150 °C Vesd electrostatic discharge voltage class 2 human body model [1] - 2000 V machine model [2] - 200 V charged device model - 500 V Table 4. Thermal characteristics Symbol Parameter Conditions Typ Unit Rth(j-a) thermal resistance from junction to ambient in free air 150 K/W |
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