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TPS65263-1QRHBRQ1 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS65263-1QRHBRQ1 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 45 page  6 TPS65263-1Q1 SLVSDY9 – MARCH 2017 www.ti.com Product Folder Links: TPS65263-1Q1 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Lab validation result 6.5 Electrical Characteristics VIN = 12 V, FSW = 500 kHz, TJ = –40°C to 125°C, typical values are at TJ = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT SUPPLY VOLTAGE VIN Input voltage range 4 18 V UVLO VIN UVLO VIN rising 3.5 3.8 4 V VIN falling 3.1 3.3 3.5 V Hysteresis 500 mV IDDSDN Shutdown supply current EN1 = EN2 = EN3 = 0 V 4 9.5 18 µA IDDQ_NSW Input quiescent current without buck1/2/3 switching EN1 = EN2 = EN3 = 5 V, FB1 = FB2 = FB3 = 0.8 V 550 780 1150 µA IDDQ_NSW1 EN1 = 5 V, EN2 = EN3 = 0 V, FB1 = 0.8 V 180 370 590 µA IDDQ_NSW2 EN2 = 5 V, EN1 = EN3 = 0 V, FB2 = 0.8V 180 370 590 µA IDDQ_NSW3 EN3 = 5 V, EN1 = EN2 = 0 V, FB3 = 0.8 V 180 370 590 µA V7V V7V LDO output voltage V7V load current = 0 A 6.3 V IOCP_V7V V7V LDO current limit 78 185 260 mA FEEDBACK VOLTAGE REFERENCE VFB Feedback voltage VCOMP = 1.2 V 0.594 0.6 0.606 V BUCK1, BUCK2, BUCK3 VENXH EN1/2/3 high-level input voltage 1.12 1.2 1.26 V VENXL EN1/2/3 low-level input voltage 1.05 1.15 1.21 V IENX1 EN1/2/3 pullup current ENx = 1 V 2.5 3.9 5.9 µA IENX2 EN1/2/3 pullup current ENx = 1.5 V 5.1 6.9 9.2 µA IENhys Hysteresis current 2.6 3 3.3 µA ISSX Soft-start charging current 3.9 5.2 6.5 µA tON_MIN Minimum on-time 50 75 110 ns Gm_EA Error amplifier transconductance –2 µA < ICOMPX < 2 µA 140 300 450 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 4.3 5.4 6.5 A ILIMITSINK1 Buck1 low-side sink current limit 0.7 1.3 1.8 A ILIMIT2/3 Buck2/buck3 peak inductor current limit 2.55 3.3 3.9 A ILIMITSINK2/3 Buck2/buck3 low-side sink current limit 0.5 1 1.4 A Rdson_HS1 Buck1 high-side switch resistance VIN = 12 V 105 mΩ Rdson_LS1 Buck1 low-side switch resistance VIN = 12 V 65 mΩ Rdson_HS2 Buck2 high-side switch resistance VIN = 12 V 140 mΩ Rdson_LS2 Buck2 low-side switch resistance VIN = 12 V 90 mΩ Rdson_HS3 Buck3 high-side switch resistance VIN = 12 V 140 mΩ Rdson_LS3 Buck3 low-side switch resistance VIN = 12 V 90 mΩ HICCUP TIMING tHiccup_wait Overcurrent wait time(1) 256 cycles tHiccup_re Hiccup time before restart(1) 8192 cycles POWER GOOD Vth_PG Feedback voltage threshold FBx undervoltage falling 92.5 %VREF FBx undervoltage rising 95 FBx overvoltage rising 107.5 FBx overvoltage falling 105 tDEGLITCH(PG)_F PGOOD falling edge deglitch time 112 cycles tRDEGLITCH(PG)_R PGOOD rising edge deglitch time 616 cycles IPG PGOOD pin leakage 0.1 µA VLOW_PG PGOOD pin low voltage ISINK = 1 mA 0.4 V |
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