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MAX14750 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX14750 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 38 page (VCC = VBIN = VLIN = VHVIN = VSWIN = 2.7V, TA = -40°C to +85°C, all registers in their default state, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) MAX14720/MAX14750 Power-Management Solution www.maximintegrated.com Maxim Integrated │ 3 Electrical Characteristics (continued) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS On Input Current ION LDO, buck, and buck-boost enabled; BIN UVLO and LIN UVLO enabled; ISWOUT = ILOUT = IBOUT = IHVOUT = 0A 4.4 8.3 µA POwER SEqUENCE Boot Time tBOOT MAX14720 9.9 11 12.1 ms MAX14750 21.6 24 26.4 ms Reset Time tRST MAX14720 72 80 88 ms POwER SwITCh Input Voltage Range VSWIN VSWIN≤VCC 1.8 5.5 V Quiescent Supply Current IQ_SW ISWOUT = 0A 0.05 0.09 µA Switch On-Resistance RON_SW ISWOUT = 200mA 0.16 0.25 Ω VSWIN = 1.8V, ISWOUT = 200mA 0.27 0.5 Maximum Output Current ISWOUT_MAX 200 mA Turn-On Time tON_SW ISWOUT = 0mA, CSWOUT = 100µF, time from 10% to 90% of VSWIN, SWSoftStart = 0 0.65 ms ISWOUT = 0mA, CSWOUT = 100µF, time from 10% to 90% of VSWIN, SWSoftStart = 1 13.8 ms Short-Circuit Current Limit ISHRT_SW VSWOUT = GND, SWSoftStart = 0 200 460 700 mA Soft-Start Current Limit ISSTR_SW VSWOUT = GND, SWSoftStart = 1 9 25 54 mA Thermal-Shutdown Threshold TSHDN_SW TJ rising 150 °C Thermal-Shutdown Hysteresis TSHDN_HYST_SW 20 °C BUCk BOOST CONvERTER (COUT = 10µF, L = 4.7µF, unless otherwise noted.) Input Voltage Range VHVIN 1.8 5.5 V Quiescent Supply Current IQ_BOOST VHVOUT = 4V, IHVOUT = 0A, BIN UVLO disabled 1.1 2.6 µA VHVOUT = 4V, IHVOUT = 0A, BIN UVLO enabled 1.3 3 µA Minimum Input Voltage Startup VHVIN_STUP ILOAD = 1mA, minimum input voltage for correct startup of the buck-boost 1.9 V |
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