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MAX16927 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX16927 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 36 page  (VIN3 = 12V, VINA = 3.3V, TA = TJ = -40°C to +105°C, unless otherwise noted. Typical values are at TA = TJ = +25°C.) (Note 3) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS LXP, LXN Current Limit ILIM VVSH = 16V, VVSL = -12V, VSHLIM[1:0] = VSLLIM[1:0] = 00, default; see the Applications Information section for SPI programming of other values 1.3 1.56 1.87 A LXP, LXN On-Resistance RDS_ON ILX_ = 100mA 340 500 mΩ LXP, LXN Leakage Current ILEAK_LX VLX_ = 20V, TA = +25°C 10 20 µA Soft-Start Current VVSH = 16V, VVSL = -12V, VSHLIM66 = VSLLIM66 = 0, default; see the Applications Information section for SPI programming of other values 1.3 1.56 1.87 A Soft-Start Voltage Ramp Time 13.5 ms FBP/FBN to COMPP/COMPN Transconductance ∆I = ±2.5µA at COMPP/COMPN 400 µS Internal Slope Compensation 1.5 A/µs BOOST CONVERTER (VSH) Output Voltage Range VVSH VINA 18 V FBP Regulation Voltage VFBP VINA = 3V to 5.5V 0.98 1 1.02 V PGOOD Threshold PGTSH Measured on FBP 850 mV FBP Load Regulation 0 < ILOAD < full load -1 % FBP Line Regulation VINA = 3V to 5.5V 0.1 %/V FBP Input-Bias Current VFBP = 1V, TA = +25°C 1 µA CUK CONVERTER (VSL) VSL Output Voltage Range VVSL Using Cuk topology -12 -4.5 V FBN Regulation Voltage VFBN Voltage that appears across feedback resistors connected between REF and FBN, VINA = 3V to 5.5V 0.98 1 1.02 V PGOOD Threshold PGTSL Measured on FBN, value referred to GND 400 mV FBN Load Regulation 1 % FBN Line Regulation VINA = 3V to 5.5V 0.3 %/V FBN Input-Bias Current VFBN = 0.25V, TA = +25°C ±1 µA FBN Threshold Voltage for High-Power Boost Mode VFBN LXN and LXP connected together for 2x output current capability 2.5 V VGH LINEAR REGULATOR Output-Voltage Range VVGH VVCP = 23V, ILOAD = 20mA 5 21 V VGH Output Current IVGH VVCP - VVGH = 2V 20 mA FBGH Regulation Voltage VFBGH IVGH = 1mA 0.77 x VREF 0.80 x VREF 0.83 x VREF V PGOOD Threshold PGTGH Measured on FBGH, VVGH rising 850 mV MAX16927 Automotive TFT-LCD Power Supply with Boost, Buck, and Cuk Converters, VCOM Buffers, Gate Drivers, and SPI Interface www.maximintegrated.com Maxim Integrated │ 4 Electrical Characteristics (continued) |
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