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UCC3895 Datasheet(PDF) 6 Page - Texas Instruments |
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UCC3895 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 28 page 3 18 17 16 EAN 1 2 20 19 15 14 4 5 6 7 8 9 11 10 12 13 EAOUT RAMP EAP SS/DISB OUTA OUTB OUTC OUTD PGND REF GND SYNC CT RT VDD CS ADS DELAB DELCD OUTA SS/DISB EAP OUTB PGND OUTC VDD OUTD EAOUT EAN RT SYNC CT RAMP REF GND DELCD DELAB CS 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 ADS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 EAN EAOUT RAMP REF GND SYNC CT RT DELAB DELCD EAP SS/DISB OUTA OUTB PGND VDD OUTC OUTD CS ADS PW and DW PACKAGE (TOP VIEW) UCC1895, UCC2895, UCC3895 SLUS157P – DECEMBER 1999 – REVISED JUNE 2013 www.ti.com DEVICE INFORMATION PW AND DW PACKAGE DRAWINGS N AND J PACKAGE DRAWINGS (TOP VIEW) (TOP VIEW) FN AND FK PACKAGE DRAWINGS (TOP VIEW) TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. The adaptive-delay-set pin sets the ratio between the maximum and minimum programmed output delay ADS 11 I dead time. CS 12 I Current sense input for cycle-by-cycle current limiting and for over-current comparator. Oscillator timing capacitor for programming the switching frequency. The UCC3895 oscillator charges CT via CT 7 I a programmed current. The delay-programming between complementary-outputs pin, DELAB, programs the dead time between DELAB 9 I switching of output A and output B. The delay-programming between complementary-outputs pin, DELCD, programs the dead time between DELCD 10 I switching of output C and output D. EAOUT 2 I/O Error amplifier output. EAP 20 I Non-inverting input to the error amplifier. Keep below 3.6 V for proper operation. EAN 1 I Inverting input to the error amplifier. Keep below 3.6 V for proper operation. GND 5 - Chip ground for all circuits except the output stages. 6 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: UCC1895 UCC2895 UCC3895 |
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