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TEA1733T Scheda tecnica(PDF) 9 Page - NXP Semiconductors |
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TEA1733T Scheda tecnica(HTML) 9 Page - NXP Semiconductors |
9 / 17 page TEA1733T_TEA1733LT_1 © NXP B.V. 2009. All rights reserved. Objective data sheet Rev. 01 — 26 October 2009 9 of 17 NXP Semiconductors TEA1733T; TEA1733LT GreenChip SMPS control IC 7.14 OverTemperature Protection (OTP) An accurate internal temperature protection is provided in the circuit. When the junction temperature exceeds the thermal shut-down temperature, the IC stops switching. OTP is a latched protection. It can be reset by removing the voltage on pin VCC. 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 10 Ω resistor. Table 3. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit Voltages VCC supply voltage continuous −0.4 +30 V t < 100 ms - 35 V VVINSENSE voltage on pin VINSENSE current limited −0.4 +5.5 V VPROTECT voltage on pin PROTECT current limited −0.4 +5 V VCTRL voltage on pin CTRL −0.4 +5 V VIO(OPTIMER) input/output voltage on pin OPTIMER −0.4 +5 V VISENSE voltage on pin ISENSE current limited −0.4 +5 V Currents II(VINSENSE) input current on pin VINSENSE −1+1 mA II(PROTECT) input current on pin PROTECT −1+1 mA ICTRL current on pin CTRL −30 mA IISENSE current on pin ISENSE −10 +1 mA IDRIVER current on pin DRIVER δ <10% −0.4 +1 A General Ptot total power dissipation Tamb <75 °C - 0.5 W Tstg storage temperature −55 +150 °C Tj junction temperature −40 +150 °C ESD VESD electrostatic discharge voltage class 1 human body model [1] - 4000 V machine model [2] - 300 V charged device model - 750 V |
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