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TPS650860 Datasheet(PDF) 11 Page - Texas Instruments |
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TPS650860 Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 94 page  TPS650860 www.ti.com SWCS128A – MARCH 2015 – REVISED DECEMBER 2015 4.7 Electrical Characteristics: Buck Controllers over recommended input voltage range, TA = –40°C to 85°C and TA = 25°C for typical values (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT BUCK1, BUCK2, BUCK6 Power input voltage for VIN 5.6 13 21 V external HSD FET VID step size = 10 mV, BUCKx_VID[6:0] 0.41 1.67 V progresses from 0000001 to 1111111 DC output voltage VID range and options VID step size = 25 mV, BUCKx_VID[6:0] 1(1) 3.575 V progresses from 0000001 to 1111111 Set by BUCK1_VID[6:0], 10 mV step size BUCK1 output voltage 1.05 V selected Set by BUCK2_VID[6:0], 25 mV step size BUCK2 output voltage 3.3 V VOUT selected Set by BUCK6_VID[6:0], 10 mV step size BUCK6 output voltage 1.5 V selected DC output voltage VOUT = 1, 1.2, 1.35, 1.5, 1.8, 2.5, 3.3 V, –2% 2% accuracy IOUT = 100 mA to 7 A Total output voltage accuracy (DC + ripple) in IOUT = 10 mA, VOUT ≤ 1 V –30 40 mV DCM SR(VOUT) Output DVS slew rate 2.5 3.125 mV/µs Low-side output valley current limit accuracy ILIM_LSD –15% 15% (programmed by external resistor RLIM) Source current out of ILIMREF T = 25°C 45 50 55 µA ILIM1 pin VLIM Voltage at ILIM1 pin VLIM = RLIM × ILIMREF 0.2 2.25 V VOUT = 1, 1.2, 1.35, 1.5, 1.8, 2.5, 3.3 V, ΔVOUT/ΔVIN Line regulation –0.5% 0.5% IOUT = 7 A VIN = 13 V, VOUT = 1, 1.2, 1.35, 1.5, 1.8, 2.5, ΔVOUT/ΔIOUT Load regulation 3.3 V, IOUT = 0 A to 7 A, 0% 1% referenced to VOUT at IOUT = IOUT_MAX Power Good deassertion VOUT rising 105.5% 108% 110.5% VTH_PG threshold in percentage VOUT falling 89.5% 92% 94.5% of target VOUT Source, IDRVH = –50 mA 3 Ω RDSON_DRVH Driver DRVH resistance Sink, IDRVH = 50 mA 2 Ω Source, IDRVL = –50 mA 3 Ω RDSON_DRVL Driver DRVL resistance Sink, IDRVL = 50 mA 0.4 Ω BUCK1_DIS[1:0] = 01 100 Ω Output auto-discharge RDIS BUCK1_DIS[1:0] = 10 200 Ω resistance BUCK1_DIS[1:0] = 11 500 Ω CBOOT Bootstrap capacitance 100 nF Bootstrap switch ON RON_BOOT 20 Ω resistance (1) BUCKx_VID[6:0] = 0000001 – 0011000 Copyright © 2015, Texas Instruments Incorporated Specifications 11 Submit Documentation Feedback Product Folder Links: TPS650860 |
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