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TPS65280 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS65280 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 34 page Driver Current Limit CS Charge Pump 4 ms Degl. Time UVLO POR 10ms Degl . Time enable buffer current sensing reverse voltage comparator 1 .25 M 12 SW_OUT1 nFAULT 1 8 6 EN_SW1 SW_IN 13 Driver Current Limit CS Charge Pump 4 ms Degl. Time 10ms Degl . Time enable buffer current sensing reverse voltage comparator 1 .25M 9 SW_OUT2 nFAULT 2 7 5 EN_SW1 SW_IN 14 11 AGND 10 NC POWER SWITCH2 POWER SWITCH1 1 .25 M 1 EN 1 .25 M 5V VIN 22 VIN 21 LX 16 LX 17 PGND 20 19 PGND 420 K 80 K 12p 15 FB 2 COMP 0 .8 V 3 SS 1ms Internal Soft Start Current Sensing (0 .1 V/ A) CS HS current sensing CS LS current sensing Voltage Reference Current Bias LDO BST 18 V7 V Preregulator Buck Controller 24 V7V enable buffer Oscillotor Mode/Sync 4 ROSC 10uA 23 MODE/SYNC error amplifer PWM comparator HS driver LS driver BUCK slope comp 5 V 1 .25M 1 .25M TPS65280 SLVSBE4A – JUNE 2012 – REVISED SEPTEMBER 2012 www.ti.com FUNCTION BLOCK DIAGRAM 4 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Links: TPS65280 |
Similar Part No. - TPS65280_15 |
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Similar Description - TPS65280_15 |
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