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MAX1832EUT-T Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1832EUT-T Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 12 page High-Efficiency Step-Up Converters with Reverse Battery Protection _______________________________________________________________________________________ 3 Note 1: All units are 100% production tested at TA=+25°C. Limits over the operating temperature range are guaranteed by design and not production tested. Note 2: Supply current into OUT. This current correlates directly to the actual battery-supply current, but is reduced in value accord- ing to the step-up ratio and efficiency. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Reverse Battery Current into OUT VOUT = 0, VBATT = VSHDN = VLX = -3V 0 10 µA TA = +25 °C 1.8 5.0 Quiescent Current into BATT VOUT = +3.5V, VFB = +1.3V TA = -40 °C to +85°C 6.0 µA Shutdown Current into BATT VOUT = +3.5V, VBATT = +2V, VSHDN = 0 0.001 1 µA Reverse Battery Current into BATT VOUT = 0, VBATT = VSHDN = VLX = -3V 0.002 10 µA SHDN Logic Low VBATT = +1.5V to +5.5V 0.3 V TA = +25 °C 1.185 1.228 1.271 SHDN Threshold Rising edge TA = -40 °C to +85°C 1.170 1.286 V SHDN Threshold Hysteresis 0.02 V SHDN Input Bias Current VOUT = +5.5V, VSHDN = +5.5V, TA = +25 °C 13 100 nA SHDN Reverse Battery Current VOUT = 0, VBATT = VSHDN = VLX = -3V 52 150 µA TA = +25 °C 2.830 2.980 3.110 MAX1833EUT/ MAX1835EUT, falling edge TA = -40 °C to +85°C 2.800 3.140 TA = +25 °C 2.580 2.717 2.836 RST Threshold MAX1833ETT30 TA = -40 °C to +85°C 2.553 2.863 V RST Voltage Low IRST = 1mA, VOUT = +2.5V 0.2 V TA = +25 °C 0.1 100 RST Leakage Current VRST = +5.5V TA = -40 °C to +85°C1 nA TA = +25 °C 1 100 LX Leakage Current VLX = +5.5V TA = -40 °C to +85°C 100 nA LX Reverse Battery Current VOUT = 0, VBATT = VSHDN = VLX = -3V 0.001 10 µA Maximum Load Current ILOAD VBATT = +2V, VOUT = +3.3V 150 mA Efficiency VBATT = +2V, VOUT = +3.3V, ILOAD = 40mA 90 % ELECTRICAL CHARACTERISTICS (continued) (V SHDN = +1.5V, VOUT = +3.3V, VBATT = +2V, GND = 0, TA = -40°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1) |
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