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TEA1782T Datasheet(PDF) 3 Page - NXP Semiconductors |
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TEA1782T Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 32 page TEA1781_82_1 © NXP B.V. 2009. All rights reserved. Preliminary data sheet Rev. 01 — 13 February 2009 3 of 32 NXP Semiconductors TEA1781T; TEA1782T GreenChip PC secondary control ICs 5. Block diagram Fig 1. TEA1781T block diagram PGOOD start Vref(3V3) start Vref(5V) td QR S Vref(5V) Vovp(VOUT_5V) Vuvp(VOUT_5V) Vref(OCP) Iocp I-control 5 V Control 3.3 V Vref(3V3) I-control 3.3 V II Protection 5 V IO > Iocp Vovp(VOUT_3V3) IO IO Protection 3.3 V IO > Iocp VDD Soft Start QR S Vuvp(VOUT_3V3) VDD Pull-down Start-up Enable Temperature protection PowerGood PowerOK Vtrip(ENABLE) Votp Control 5 V Drive SR Drive 5 V Drive 3.3 V VSENSE_3V3 VSTARTUP VDD GND GND V/I 014aaa181 V/I V/I 28 2 3 6 6 8 7 1 26 27 11 12 24 20 23 25 17 16 21 19 13 14 15 4 18 22 10 9 IENABLE Vreg(VDD) Vtrip Ipd Ipd |
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