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UCC2540PWP Datasheet(PDF) 3 Page - Texas Instruments |
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UCC2540PWP Datasheet(HTML) 3 Page - Texas Instruments |
3 / 43 page UCC2540 SLUS539C − JUNE 2004 − REVISED OCTOBER 2008 3 www.ti.com ORDERING INFORMATION TA = TJ HTSSOP−20 (PWP)(1) TA = TJ Bulk −40 °C to +105°C UCC2540PWP (1) The PWP package is also available at 70 devices per tube and taped and reeled at 2,000 devices per reel. Add an R suffix to the device type (i.e., UCC2540PWPR). See the application section of the data sheet for PowerPAD drawing and layout information. CONNECTION DIAGRAM 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 RSET REF G2C SYNCIN RAMP GND VEA− CEA− COMP TR SWS BST G1 SW VDD PGND G2 VDRV G2S SS PWP PACKAGE (TOP VIEW) NOTE: The PowerPAD t is not directly connected to any lead of the package. It is electrically and thermally connected to the substrate of the device which acts as ground and should be connected to PGND on the PCB. The exposed dimension is 1.3 mm x 1.7 mm. However, the tolerances can be +1.05 mm / −0.05 mm (+41 mils / −2 mils) due to position and mold flow variation. THERMAL INFORMATION PACKAGE FAMILY PACKAGE DESIGNATOR θJA (°C/W) (with PowerPAD) θJC (°C/W) (without PowerPAD) θJC (°C/W) (with PowerPAD) MAXIMUM DIE TEMPERATURE PowerPAD HTSSOP−20 PWP 22.3 to 32.6 (500 to 0 LFM) 19.9 1.4 125 °C |
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