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TPS65311QRVJRQ1 Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS65311QRVJRQ1 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 49 page TPS65311-Q1 www.ti.com SLVSCA6A – OCTOBER 2013 – REVISED OCTOBER 2013 ELECTRICAL CHARACTERISTICS VIN = VINPROT 4.8 V to 40 V, VSUPx = 3 V to 5.5 V, EXTSUP = 0 V, TJ(max) = 125°C, unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT VOLTAGE-CURRENT CONSUMPTION Buck regulator operating range, Voltage on VIN and VIN Device operating range 4 50 V VINPROT pins Falling VIN 3.5 3.6 3.8 VPOR Power-on reset threshold V Rising VIN 3.9 4.2 4.3 VPOR_hyst Power-on reset hysteresis on VIN 0.47 0.6 0.73 V All off, wake active, VIN = 13 V ILPM0 LPM0 current consumption(1)(2) 44 μA Total current into VSSENSE, VIN and VINPROT LPM0 current (commercial vehicle All off, wake active, VIN = 24.5 V ILPM0 60 μA application) consumption(3)(2) Total current into VSSENSE, VIN and VINPROT BUCK1 = on, VIN = 13 V, EXTSUP = 0 V, Qg of ACTIVE total current IACTIVE1 BUCK1 FETs = 15 nC. 32 mA consumption(1)(4) Total current into VSSENSE, VIN and VINPROT BUCK1/2/3 = on, VIN = 13 V, ACTIVE total current IACTIVE123 Qg of BUCK1 FETs = 15 nC. 40 mA consumption(1)(4) Total current into VSSENSE, VIN and VINPROT BUCK1/2/3, LDO, BOOST, high-side switch = on, VIN = 13 V, Qg of BUCK1 FETs = 15 nC. IACTIVE1235 ACTIVE current consumption(1)(4) 31 mA EXTSUP = 5 V from BOOST Total current into VSSENSE, VIN and VINPROT BUCK1/2/3, LDO, BOOST, high-side switch = on, VIN = 13 V, Qg of BUCK1 FETs = 15 nC, EXTSUP = IACTIVE1235_noEXT ACTIVE current consumption (1) (4) 53 mA open Total current into VSENSE, VIN and VINPROT BUCK CONTROLLER (BUCK1) VBUCK1 Adjustable output voltage range 3 11 V Internal reference voltage in VSense1_NRM VSENSE1 pin, load = 0 mA, Internal REF = 0.8 V –1% 1% operating mode Maximum sense voltage VSENSE1 = 0.75 V (low duty 60 75 90 cycle) VS1-2 VS1-2 for forward OC in CCM mV Minimum sense voltage VSENSE 1 = 1 V (negative –65 –37.5 –23 current limit) ACS Current sense voltage gain ∆VCOMP1 / ∆ (VS1 - VS2) 4 8 12 RSTN and ERROR mode transition, tOCBUCK1_BLK when over current detected for > 1 ms tOCBUCK1_BLK tDEAD_BUCK1 Shoot-through delay, blanking time 25 ns fSWBUCK1 Switching frequency fOSC / 10 High-side minimum on time 100 ns DC Duty cycle Maximum duty cycle 98.75% EXTERNAL NMOS GATE DRIVERS FOR BUCK CONTROLLER IGpeak Gate driver peak current VREG = 5.8 V 0.6 A IG current for external MOSFET = 200 mA, RDSON_DRIVER Source and sink driver 5 10 Ω VREG = 5.8 V, VBOOT1-PH1 = 5.8 V VDIO1 Bootstrap diode forward voltage IBOOT1 = –200 mA, VREG-BOOT1 0.8 1.1 V ERROR AMPLIFIER (OTA) FOR BUCK CONTROLLERS AND BOOST CONVERTER EMPTY COMP1/2/3/5 = 0.8 V; source/sink = 5 µA, gmEA Forward transconductance 0.9 mmhos test in feedback loop AEA Error amplifier DC gain 60 dB (1) TA = 25°C (2) Quiescent Current Specification does not include the current flow through the external feedback resistor divider. Quiescent Current is non-switching current, measured with no load on the output with VBAT = 13V. (3) TA = 130°C (4) Total current consumption measured on EVM includes switching losses. Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS65311-Q1 |
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