HA16163T

HA16163T Synchronous Phase Shift Full-Bridge Control IC REJ03F0001-0600 Rev.6.00 Jul 01, 2008 Features High frequency operation; oscillator frequency = 2 MHz max. Full-bridge phase-shift switching circuit with adjustable delay times Integrated secondary synchronous rectification control with adjustable delay times Three-level over current protection; pulse by pulse, timer Latch, one shot OCP www.DataSheet4U.com Package: TSSOP-20 Application 48 V input isolated DC/DC converter Primary; Full-bridge circuit topology Secondary; current doubler or center-tapped rectification Illustrative Circuit +48V + – FET Driver Vbias FET Driver FET Driver FET Driver FET Driver FET Driver VCC OUT -A OUT -B CS RAMP OUT -C OUT -D OUT -E OUT -F Optical feedback circuitry COMP VREF FB DELAY DELAY DELAY -1 -2 -3 GND RT SYNC SS REMOTE REJ03F0001-0600 Rev.6.00 Jul 01, 2008 Page 1 of 29 HA16163T Pin Arrangement SYNC RAMP CS COMP REMOTE FB SS DELAY-1 DELAY-2 www.DataSheet4U.com 1 2 3 4 5 6 7 8 9 10 (Top view) 20 19 18 17 16 15 14 13 12 11 RT GND OUT-A OUT-B OUT-C OUT-D OUT-E OUT-F VCC VREF DELAY-3 Pin Functions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Name SYNC RAMP CS COMP REMOTE FB SS DELAY-1 DELAY-2 DELAY-3 VREF VCC OUT-F OUT-E OUT-D OUT-C OUT-B OUT-A GND RT Pin Function Synchronization I/O for the oscillator Current sense signal input for the full-bridge control loop Current sense signal input for OCP Error amplifier output Remote o...