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TEA1792TS Scheda tecnica(PDF) 7 Page - NXP Semiconductors |
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TEA1792TS Scheda tecnica(HTML) 7 Page - NXP Semiconductors |
7 / 13 page TEA1792TS All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved. Product data sheet Rev. 3 — 29 January 2014 7 of 13 NXP Semiconductors TEA1792TS GreenChip synchronous rectifier controller 10. Characteristics [1] The VCC stop voltage is Vstartup Vhys. 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 8.2 8.5 8.8 V Vhys hysteresis voltage [1] 0.35 0.5 0.65 V ICC(oper) operating supply current VCC =8V (VCC <Vstartup) 0.2 0.25 0.4 mA under normal operation; no load on pin DRIVER 0.8 1 1.2 mA Synchronous rectification sense input (pin SRSENSE) Vact(drv) driver activation voltage 260 220 180 mV Vreg(drv) driver regulation voltage resistance between pins SELREG and GND < 15 k 55 42 30 mV resistance between pins SELREG and GND > 700 k 38 30 22 mV Vdeact(drv) driver deactivation voltage - 12 - mV td(act)(drv) driver activation delay time 50 75 100 ns tact(sr)(min) minimum synchronous rectification active time short time 1.3 1.8 2.3 s long time 1.6 2.1 2.6 s Io(SELREG) output current on pin SELREG VSELREG = 2.5 V 12 10 8 A Driver (pin DRIVER) Isource source current VCC = 15 V; voltage on pin DRIVER = 2 V during minimum synchronous rectification time 0.45 0.4 0.35 A minimum synchronous rectification time has ended 6 5 4mA Isink sink current VCC =15V voltage on pin DRIVER = 2 V 1 1.4 - A voltage on pin DRIVER = 9.5 V 2.2 2.7 - A Vo(max) maximum output voltage VCC =15V 9 10 12 V |
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