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TPS70845PWPG4 Datasheet(PDF) 10 Page - Texas Instruments |
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TPS70845PWPG4 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 37 page www.ti.com t t PG2 Output VIN2 t VIT+ (seeNoteA) VOUT2 V (seeNoteA) Threshold Voltage IT- NOTEA: V tripvoltageistypically5%lowerthantheoutputvoltage(95%V ).V toV isthehysteresisvoltage. IT IT - - O IT+ TPS70845, TPS70848 TPS70851, TPS70858 TPS70802 SLVS301D – JUNE 2000 – REVISED DECEMBER 2007 PG2 Timing Diagram (assuming VIN1 already powered up) TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. EN1 5 I Active low enable for VOUT1 EN2 6 I Active low enable for VOUT2 GND 8 — Ground MR 4 I Manual reset input, active low, pulled up internally NC 1, 11, 20 — No connection PG1 16 O Open drain output, low when VOUT1 voltage is less than 95% of the nominal regulated voltage PG2 15 O Open drain output, low when VOUT2 voltage is less than 95% of the nominal regulated voltage RESET 7 I Open drain output, SVS (power-on reset) signal, active low VIN1 2, 3 I Input voltage of regulator 1 VIN2 9, 10 I Input voltage of regulator 2 VOUT1 18, 19 O Output voltage of regulator 1 VOUT2 12, 13 O Output voltage of regulator 2 VSENSE2/FB2 14 I Regulator 2 output voltage sense/regulator 2 feedback for adjustable VSENSE1/FB1 17 I Regulator 1 output voltage sense/regulator 1 feedback for adjustable 10 Submit Documentation Feedback Copyright © 2000–2007, Texas Instruments Incorporated |
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