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TPS51650RSLR Datasheet(PDF) 7 Page - Texas Instruments |
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TPS51650RSLR Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 50 page  TPS51650, TPS59650 www.ti.com SLUSAV7 – JANUARY 2012 ELECTRICAL CHARACTERISTICS (continued) over recommended free-air temperature range, VV5 = VV5DRV = 5.0 V; VV3R3 = 3.3 V; VxGFB = VPGND = VGND, VxVFB = VCORE (Unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TIMERS: SLEW RATE, ISLEW, ADDR, ON-TIME AND I/O TIMING (Continued) TPS51650 282 323 377 RGF= 20 kΩ, VBAT= 12 V, VDAC= 1.1 V (275 kHz) TPS59650 280 323 377 TPS51650 233 270 319 RGF= 24 kΩ, VBAT= 12 V, VDAC= 1.1 V (330 kHz) TPS59650 231 270 319 TPS51650 208 236 280 RGF= 30 kΩ, VBAT= 12 V, VDAC= 1.1 V (385 kHz) TPS59650 205 236 280 TPS51650 185 210 248 RGF= 39 kΩ, VBAT= 12 V, VDAC= 1.1 V (440 kHz) TPS59650 182 210 248 tTON_GPU GPU on-time ns TPS51650 172 195 230 RGF= 56 kΩ, VBAT= 12 V, VDAC= 1.1 V (495 kHz) TPS59650 169 195 230 TPS51650 158 178 211 RGF= 75 kΩ, VBAT= 12 V, VDAC= 1.1 V (550 kHz) TPS59650 154 178 211 TPS51650 147 166 203 RGF= 100 kΩ, VBAT= 12 V, VDAC= 1.1 V (605 kHz) TPS59650 145 166 203 TPS51650 141 157 193 RGF= 150 kΩ, VBAT= 12 V, VDAC= 1.1 V (660 kHz) TPS59650 134 157 193 tMIN Controller minimum off time Fixed value 150 225 ns ACK of SetVID-x command to start of voltage tVCCVID VID change to xVFB change(3) 2 µs ramp tVRONPGD VR_ON low to xPGOOD low 60 100 ns tVRTDGLT VR_HOT deglitch time 0.2 0.5 ms RSFTSTP Soft-stop transistor resistance Connect to CVFB, GVFB 500 740 1100 Ω PROTECTION: OVP, UVP PGOOD, VR_HOT, ‘FAULTS OFF’ AND INTERNAL THERMAL SHUTDOWN Fixed OVP voltage threshold VOVPH VCSN1 or VGCSN > VOVPH for 1 µs, DRVL → ON 1.67 1.72 1.77 V voltage Measured at the xVFB pin wrt/VID code, VPGDH xPGOOD high threshold 190 220 245 mV device latches OFF Measured at the xVFB pin wrt/VID code, VPGDL xPGOOD low threshold –348 –315 –278 mV device latches OFF bit0 of xTHERM register = high 755 783 810 bit1 of xTHERM register also is high 657 680 707 bit2 of xTHERM register also is high 611 638 665 bit3 of xTHERM register also is high 569 598 624 bit4 of xTHERM register also is high 532 559 585 IMVP-7 thermal bit voltage VTHERM mV bit5 of xTHERM register also is high 498 523 549 definition bit6 of xTHERM register also is high, 462 455 514 ALERT goes low bit7 of xTHERM register also is high, 430 455 481 VR_HOT goes low CDLx goes low, CDHx goes low 373 410 428 ITHRM THERM current Leakage current, VxTHERM = 1 V –2 2 µA Internal controller thermal THINT Latch off controller 155 °C Shutdown(3) Controller thermal SD THHYS Cooling required before converter can be reset 20 °C hysteresis(3) (3) Specified by design. Not production tested. Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 7 |
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