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TPS51220 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS51220 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 43 page TPS51220 www.ti.com SLVS785C – OCTOBER 2007 – REVISED JULY 2009 ABSOLUTE MAXIMUM RATINGS (1) over operating free-air temperature range (unless otherwise noted) VALUE UNIT VIN –0.3 to 30 V VBST1, VBST2 –0.3 to 35 V VBST1, VBST2(3) –0.3 to 7 V SW1, SW2 –7 to 30 V VI Input voltage range (2) CSP1, CSP2, CSN1, CSN2 –1 to 13.5 V EN, EN1, EN2, VFB1, VFB2, TRIP, SKIPSEL1, SKIPSEL2, FUNC –0.3 to 7 V V5SW –0.3 to 7 V V5SW (to VREG5)(4) –7 to 7 V DRVH1, DRVH2 –7 to 35 V DRVH1, DRVH2 (3) –0.3 to 7 V VO Output voltage range(2) DRVL1, DRVL2, COMP1, COMP2, VREG5, RF, VREF2, –0.3 to 7 V PGOOD1, PGOOD2 VREG3 –0.3 to 3.6 V TJ Operating junction temperature range –40 to 125 °C Tstg Storage temperature –55 to 150 °C (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to the network ground terminal unless otherwise noted. (3) Voltage values are with respect to the corresponding SW terminal. (4) When EN is high and V5SW is grounded, or voltage is applied to V5SW when EN is low. DISSIPATION RATINGS (2 oz. Trace and Copper Pad with Solder) TA < 25°C DERATING FACTOR TA = 85°C PACKAGE POWER RATING ABOVE TA = 25°C POWER RATING 32 pin RHB 2.2 W 23 mW/°C 0.9 W RECOMMENDED OPERATING CONDITIONS MIN TYP MAX UNIT VIN 4.5 28 V Supply VSS voltage V5SW –0.8 6 DRVH1, DRVH2 –4.0 33 VBST1, VBST2, –0.1 33 DRVH1, DRVH2 (wrt SW1, SW2) –0.1 6 DRVH1, DRVH2 (negative overshoot -6 V for t< 20% duration of switching period) –6 33 VI SW1, SW2 –4.0 28 I/O voltage V VO SW1, SW2 (negative overshoot -6 V for t< 20% duration of switching period) –6 28 CSP1, CSP2, CSN1, CSN2 –0.8 13 EN, EN1, EN2, VFB1, VFB2, TRIP, DRVL1, DRVL2, COMP1, COMP2, VREG5, –0.1 6 RF, VREF2, PGOOD1, PGOOD2, SKIPSEL1, SKIPSEL2, FUNC VREG3 –0.1 3.5 TA Operating free-air temperature –40 85 °C Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links :TPS51220 |
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