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UCC28600-Q1 Datasheet(PDF) 7 Page - Texas Instruments |
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UCC28600-Q1 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 31 page R CS + V PL * VCS(os) I CS(2) * ICS(1) I CS(2)IP(1) * ICS(1)IP(2) R PL + V PL * VCS(os) I P(2) * IP(1) I CS(1)IP(2) * ICS(2)IP(1) R OVP1 + 1 I OVP(line) N B N P V BULK(ov) R OVP2 + ROVP1 V OVP(load) N B N S V OUT(shutdown) ) VF * VOVP(load) UCC28600-Q1 www.ti.com SLUSAB4 – DECEMBER 2010 TERMINAL COMPONENTS TERMINAL I/O DESCRIPTION(1) (2) (3) NAME NO. (1) CS 3 I where: • IP1 is the peak primary current at low line, full load (3) • IP2 is the peak primary current at high line, full load (3) • ICS1 is the power limit current that is sourced at the CS pin at low-line voltage (3) • ICS2 is the power limit current that is sourced at the CS pin at high-line voltage (3) • VPL is the Power Limit (PL) threshold (2) • VCS(os) is the CS offset voltage (2) FB 2 I Opto-isolator collector GND 4 - Bypass capacitor to VDD, CBP = 0.1 mF OUT 5 O Power MOSFET gate OVP 7 I where: • IOVP(line) is OVPline current threshold (2) • VBULK(ov) is the allowed input over- voltage level (3) • VOVP(load) is OVPload (2) • VOUT(shutdown) is the allowed output over-voltage level (3) • VF is the forward voltage of the secondary rectifier • NB is the number of turns on the bias winding (3) • NS is the number of turns on the secondary windings (3) • NP is the number of turns on the primary windings (3) (1) Refer to Figure 1 for all reference designators in the Terminal Components Table. (2) Refer to the Electrical Characteristics Table for constant parameters. (3) Refer to the UCC28600-Q1 Design Calculator (TI Literature Number SLVC104) or laboratory measurements for currents, voltages and times in the operational circuit. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): UCC28600-Q1 |
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Similar Description - UCC28600-Q1_15 |
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