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MAX1716 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX1716 Datasheet(HTML) 5 Page - Maxim Integrated Products |
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5 / 33 page  High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (Circuit of Figure 1, V+ = +15V, VCC = VDD = 5V, SKIP = VCC, VPS = PGND, TA = -40°C to +85°C, unless otherwise noted.) (Note 6) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS PWM CONTROLLER Battery voltage, V+ 2 28 Input Voltage Range VCC, VDD 4.5 5.5 V DAC codes from 1.35V to 2.0V -1.6 1.6 DC Output Voltage Accuracy (Notes 2, 3) V+ = 4.5V to 28V, VPS = PGND DAC codes from 0.6V to 1.3V -2 2 % FB Input Bias Current IFB FB = 0.6V to 2.0V -0.2 0.2 µA VPS Input Bias Current IVPS VVPS = ±40mV -1 1 µA VPS Gain AVPS VVPS = 0 or -40mV, gain from VPS to FB 0.153 0.197 %/mV CS Input Bias Current ICS 0 to 28V -1 1 µA ILIM Input Leakage Current IILIM VILIM = 0 or 5.0V 100 nA TON = GND 205 300 TON = REF 280 375 TON = open 425 520 On-Time (Note 4) tON V+ = 11.0V, VFB = 1.5V TON = VCC 615 740 ns Minimum Off-Time (Note 4) tOFF(MIN) 500 ns BIAS AND REFERENCE Quiescent Supply Current (VCC)ICC Measured at VCC, FB forced above the regulation point 950 µA Quiescent Supply Current (VDD)IDD Measured at VDD, FB forced above the regulation point 5 µA Quiescent Supply Current (V+) I+ 40 µA Shutdown Supply Current (VCC) SHDN = GND 5 µA Shutdown Supply Current (VDD) SHDN = GND 5 µA Shutdown Supply Current (V+) SHDN = GND, V+ = 28V, VCC = VDD = 0 or 5V 5 µA Reference Voltage VREF VCC = 4.5V to 5.5V, no external REF load 1.98 2.02 V Reference Load Regulation IREF = 0 to 50 µA 0.01 V REF Sink Current IREF REF in regulation 10 µA FAULT PROTECTION MAX1716 1.8 2.0 V Output Overvoltage Fault Threshold (Note 5) Measured at FB MAX1855 1.97 2.03 Output Undervoltage Fault Threshold (Foldback) 35 45 % Output Undervoltage Fault Blanking Time (Foldback) From SHDN signal going high 10 30 ms |
Similar Part No. - MAX1716 |
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Similar Description - MAX1716 |
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