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TEA1742T Scheda tecnica(PDF) 10 Page - NXP Semiconductors |
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TEA1742T Scheda tecnica(HTML) 10 Page - NXP Semiconductors |
10 / 17 page TEA1742T_1 © NXP B.V. 2009. All rights reserved. Objective data sheet Rev. 01 — 10 February 2009 10 of 17 NXP Semiconductors TEA1742T GreenChip PFC controller [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. 9. Thermal characteristics 10. Characteristics Currents IPFCSENSE current on pin PFCSENSE −1 +10 mA IPFCDRIVER current on pin PFCDRIVER duty cycle < 10 % −0.8 +2 A General Ptot total power dissipation Tamb <75 °C - 0.45 W Tstg storage temperature −55 +150 °C Tj junction temperature −20 +150 °C ESD VESD electrostatic discharge voltage class 1 human body model [1] - 2000 V machine model [2] - 200 V charged device model - 500 V Table 3. Limiting values …continued In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit Table 4. Thermal characteristics Symbol Parameter Conditions Typ Unit Rth(j-a) thermal resistance from junction to ambient in free air; JEDEC test board 150 K/W Table 5. Characteristics Tamb =25 °C; VCC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into the IC; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit Supply voltage management (pin VCC) Vstartup start-up voltage 10.6 V Vth(UVLO) undervoltage lockout threshold voltage 10.3 V Vhys hysteresis voltage Vstartup − Vth(UVLO) 0.3 V ICC(oper) operating supply current no load on pin PFCDRIVER - <tbd> - mA Vrst(latch) latched reset voltage 4 V Input Voltage Sensing PFC (pin VINSENSE) Vstop(VINSENSE) stop voltage on pin VINSENSE 0.86 0.89 0.92 V Vstart(VINSENSE) start voltage on pin VINSENSE 1.11 1.15 1.19 V ∆Vpu(VINSENSE) pull-up voltage difference on pin VINSENSE active after Vstop(VINSENSE) is detected - −100 - mV |
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