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TPS65263RHBT Datasheet(PDF) 6 Page - Texas Instruments |
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TPS65263RHBT Datasheet(HTML) 6 Page - Texas Instruments |
6 / 46 page TPS65263 SLVSCN0A – JUNE 2014 – REVISED SEPTEMBER 2014 www.ti.com 8.5 Electrical Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT SUPPLY VOLTAGE VIN Input voltage range 4.5 18 V VIN rising 4 4.25 4.5 V UVLO VIN undervoltage lockout VIN falling 3.5 3.75 4 V Hysteresis 500 mV IDDSDN Shutdown supply current EN1 = EN2 = EN3 = 0 V 8 µA EN1 = EN2 = EN3 = 5 V, IDDQ_NSW 740 µA FB1 = FB2 = FB3 = 0.8 V EN1 = 5 V, EN2 = EN3 = 0 V, IDDQ_NSW1 360 µA FB1 = 0.8 V Input quiescent current without buck1/2/3 switching EN2 = 5 V, EN1 = EN3 = 0 V, IDDQ_NSW2 380 µA FB2 = 0.8 V EN3 = 5 V, EN1 = EN2 = 0 V, IDDQ_NSW3 380 µA FB3 = 0.8 V V7V V7V LDO output voltage V7V load current = 0 A 6 6.3 6.6 V IOCP_V7V V7V LDO current limit 185 mA FEEDBACK VOLTAGE REFERENCE VCOMP = 1.2 V, TJ = 25°C 0.595 0.6 0.605 V VFB Feedback voltage VCOMP = 1.2 V, TJ = –40°C to 125°C 0.594 0.6 0.606 V IOUT1 = 1.5 A, IOUT2 = 1 A, IOUT3 = 1 A, VLINEREG_BUCK Line regulation-DC(1) 0.002 %/V 5 V < PVINx < 18 V VLOADREG_BUCK Load regulation-DC(1) IOUTx = (10-100%) × IOUTx_max 0.02 %/A BUCK1, BUCK2, BUCK3 VENXH EN1/2/3 high level input voltage 1.2 1.26 V VENXL EN1/2/3 low level input voltage 1.1 1.15 V IENX1 EN1/2/3 pullup current ENx = 1 V 3.8 µA IENX2 EN1/2/3 pullup current ENx = 1.5 V 6.8 µA IENhys Hysteresis current 3 µA ISSX Soft start charging current 4.3 5 6 µA TON_MIN Minimum on time 80 100 ns Gm_EA Error amplifier trans-conductance –2 µA < ICOMPX < 2 µA 300 µS Gm_PS1/2/3 COMP1/2/3 voltage to inductor current Gm(1) ILX = 0.5 A 7.4 A/V ILIMIT1 Buck1 peak inductor current limit 4.5 5.5 6.5 A ILIMITSOURCE1 Buck1 low side source current limit 4.4 A ILIMITSINK1 Buck1 low side sink current limit 1.3 ILIMIT2/3 buck2/3 peak inductor current limit 2.6 3.3 4 A ILIMITSOURCE2/3 Buck2/3 low side source current limit 2.5 ILIMITSINK2/3 Buck2/3 low side sink current limit 1 A Rdson_HS1 Buck1 high-side switch resistance VIN = 12 V 105 m Ω Rdson_LS1 Buck1 low-side switch resistance VIN = 12 V 65 m Ω Rdson_HS2 Buck2 high-side switch resistance VIN = 12 V 140 m Ω Rdson_LS2 Buck2 low-side switch resistance VIN = 12 V 90 m Ω Rdson_HS3 Buck3 high-side switch resistance VIN = 12 V 140 m Ω Rdson_LS3 Buck3 low-side switch resistance VIN = 12 V 90 m Ω HICCUP TIMING THiccup_wait Over current wait time(1) 0.5 ms THiccup_re Hiccup time before restart(1) 14 ms OSCILLATOR FSW Switching frequency 550 600 650 kHz (1) Lab validation result. 6 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: TPS65263 |
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