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LP8860NQVFPRQ1 Datasheet(PDF) 10 Page - Texas Instruments |
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LP8860NQVFPRQ1 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 110 page  10 LP8860-Q1 SNVSA21F – MAY 2014 – REVISED JULY 2017 www.ti.com Product Folder Links: LP8860-Q1 Submit Documentation Feedback Copyright © 2014–2017, Texas Instruments Incorporated Boost Converter Characteristics (continued) Limits apply over the full ambient temperature range – 40°C ≤ TA ≤ +125°C. Unless otherwise specified: VDD = 3.3 V, VIN = 12 V, EN/VDDIO = 3.3 V, L = 22 μH, CIN = 2 × 10 μF ceramic and 33-μF electrolytic, COUT = 2 × 10 μF ceramic and 33-μF electrolytic, CVDD = 1 μF, CCPUMP = 10 μF, Q = IPD25N06S4L-30-ND, D = SS5P10-M3/86A. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IMAX SW current limit RSENSE = 25 mΩ A BOOST_IMAX_SEL=000 BOOST_IMAX_SEL=001 BOOST_IMAX_SEL=010 BOOST_IMAX_SEL=011 BOOST_IMAX_SEL=100 BOOST_IMAX_SEL=101 BOOST_IMAX_SEL=110 BOOST_IMAX_SEL=111 2 3 4 5 6 7 8 9 VGD Gate driver output voltage 0 11 V IGD_SOURCE_ PEAK Gate driver peak current, sourcing BOOST_DRIVER_SIZE[1:0] = 11 BOOST_GD_VOLT = 1 VDD= 5 V, VCPUMP = 10 V FET SQ4850EY 1.7 A IGD_SINK_PEA K Gate driver peak current, sinking 1.5 7.8 Logic Interface Characteristics VDDIO/EN = 1.65 V to VDD, VDD = 3.3 V unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LOGIC INPUT VDDIO/EN VIL Input low level 0.4 V VIH Input high level 1.2 II Input current −1 1 µA LOGIC INPUT SYNC, VSYNC, PWM, SCLK/SCL, MOSI/SDA, NSS, IF VIL Input low level 0.2 × VDDIO/EN V VIH Input high level 0.8 × VDDIO/EN II Input current −1 1 μA LOGIC OUTPUT FAULT VOL Output low level I = 3 mA 0.3 0.5 V ILEAKAGE Output leakage current V = 5.5 V 1 μA LOGIC OUTPUT MISO VOL Output low level IOUT = 3 mA 0.3 0.5 V VOH Output high level IOUT = –2 mA 0.7 × VDDIO/EN 0.9 × VDDIO/EN IL Output leakage current 1 μA LOGIC OUTPUTS SDA VOL Output low level I = 3 mA 0.3 0.5 V ILEAKAGE Output leakage current V = 5.5 V 1 μA 7.9 VIN Undervoltage Protection (VIN_UVLO) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VUVLO VIN UVLO threshold voltage UVLO[1:0] = 00 Disabled V UVLO[1:0] = 01 2.64 3 3.36 UVLO[1:0] = 10 4.4 5 5.6 UVLO[1:0] = 11 7.04 8 8.96 |
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