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TPS65261RHBR Datasheet(PDF) 7 Page - Texas Instruments |
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TPS65261RHBR Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 44 page  TPS65261, TPS65261-1 www.ti.com SLVSCD3B – DECEMBER 2013 – REVISED MAY 2014 Electrical Characteristics (continued) TA = 25°C, VIN = 12 V, fSW = 600 kHz (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER GOOD, MODE, POWER SEQUENCE FBx under-voltage Falling 92.5 %VREF FBx under-voltage Rising 95 %VREF Vth_PG Feedback voltage threshold FBx over-voltage Rising 107.5 %VREF FBx over-voltage Falling 105 %VREF TDEGLITCH(PG)_F PGOOD falling edge deglitch time 128 cycles TRDEGLITCH(PG)_R PGOOD rising edge deglitch time 512 cycles IPG PGOOD pin leakage 0.05 µA VLOW_PG PGOOD pin low voltage ISINK = 1 mA 0.4 V VMODEH MODE high level input voltage 1.2 1.26 V VMODEL MODE low level input voltage 1.1 1.15 V IMODE1 MODE pull-up current MODE = 1V 3.6 µA IMODE2 MODE pull-up current MODE = 1.5V 6.6 µA Delay time between bucks at automatic Tpsdelay MODE = 1.5V 1024 cycles power sequencing mode POWER FAILURE DETECTOR VDIVth VDIV threshold 1.18 1.23 1.26 V VDIV = 1V 1 µA IVDIV VDIV pull-up current VDIV = 1.5V 2 µA IVDIVhys VDIV hysteresis current 1 µA Tdeglitch_R RESET deglitch on the rising edge 534 cycles Tdeglitch_F RESET deglitch on the falling edge 12 14 16 cycles OSCILLATOR FSW ROSC = 73.2 k Ω 560 600 640 kHz Switching frequency FSW_range 250 2000 kHz THERMAL PROTECTION TTRIP_OTP Temperature rising 160 °C Thermal protection trip point THYST_OTP Hysteresis 20 °C Copyright © 2013–2014, Texas Instruments Incorporated Submit Documentation Feedback 7 |
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