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PT8124C Datasheet(PDF) 4 Page - Texas Instruments |
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PT8124C Datasheet(HTML) 4 Page - Texas Instruments |
4 / 11 page For technical support and more information, see inside back cover or visit www.ti.com PT8120 Series 30-A 12-V Input Programmable Integrated Switching Regulator PT8124 Standard Application Cin = Required 1500µF electrolytic Cout = Required 660µF low ESR OS-Con®, or 1,200µF aluminum electrolytic Lin = Optional 1µH input choke PT8124 (Only) 4321 31 23–30 617–22 12–16 L O A D C OUT + C IN + PROGRAMMING PINS V IN V OUT GND REMOTE SENSE STBY* VID 25mV VID 0 VID 1 VID 2 L in 1µH GND VID 3 5 VID Common 11 VID 3 VID 2 VID 1 VID 0 11 11 11 10 11 01 11 00 10 11 10 10 10 01 10 00 01 11 01 10 01 01 01 00 00 11 00 10 00 01 00 00 *For STBY pin: Open =Output Enabled Ground =Output Disabled Pin Function 1 VID 25mV 2 VID 0 3 VID 1 4 VID 2 5 VID 3 6 STBY 7 Do Not Connect 8 Do Not Connect 9 Do Not Connect 10 Do Not Connect 11 VID Common 12 Vin 13 Vin 14 Vin 15 Vin 16 Vin Notes: i) Logic 0 = Connect to VID Common ii) Logic 1 = Open circuit (no pull-up resistors) iii) VID2 and VID3 may not be changed while the unit is operating. Pin Function 17 GND 18 GND 19 GND 20 GND 21 GND 22 GND 23 Vout 24 Vout 25 Vout 26 Vout 27 Vout 28 Vout 29 Vout 30 Vout 31 Remote Sense PT8124 Pin-Out Information (VRM 8.5) VID 25mV=0 VID 25mV=1 Vout Vout 1.300V 1.325V 1.350V 1.375V 1.400V 1.425V 1.450V 1.475V 1.500V 1.525V 1.550V 1.575V 1.600V 1.625V 1.650V 1.675V 1.700V 1.725V 1.750V 1.775V 1.800V 1.825V 1.050V 1.075V 1.100V 1.125V 1.150V 1.175V 1.200V 1.225V 1.250V 1.275V PT8124 Voltage Programming Information |
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