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SP6649 Datasheet(PDF) 2 Page - Sipex Corporation |
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SP6649 Datasheet(HTML) 2 Page - Sipex Corporation |
2 / 9 page 2 Rev:001 Date:11/20/03 SP6649 Ultra-low Quiescent Current, High Efficiency Boost DC-DC Regulator © Copyright 2002 Sipex Corporation PARAMETER MIN TYP MAX UNITS CONDITIONS Input Voltage Operating Range, VBATT 0.7 4.5 V After Startup Under Voltage Lock-out/UVLO 0.62 V Start-up Input Voltage, VBATT 0.85 0.9 V RLOAD = 3k Output Voltage, VO 3.16 3.30 3.44 V 3.3V VO preset Quiescent Current into VO, IQO 12 22 µA VOUT = 3.3V, VFB = 1.5V, Toggle SHDN Quiescent Current into VBATT, IQB 20 500 nA VOUT = 3.3V, VFB = 1.5V Shutdown Current into VO, ISDO 1 500 nA VSHDN = 0V Shutdown Current into VBATT, ISDB 200 500 nA VSHDN = 0V, VBATT = 2.6V Efficiency, RLIM = 4.0K 85 % VBATT = 1.3V, IOUT = 50mA 91 % VBATT = 2.6V, IOUT = 100mA Efficiency, RLIM = 1.87K 85 % VBATT = 1.3V, IOUT = 100mA 92 % VBATT = 2.6V, IOUT = 200mA Inductor Current Limit, IPK 1.0 1.2 1.4 A RLIM = 1.17k , I PK = 1400/RLIM 250 mA VBATT = 1.3V, RLIM = 1.17k Output Current 700 mA VBATT = 2.6V, RLIM = 1.17k 150 mA VBATT = 1.3V, RLIM = 1.87k 400 mA VBATT = 2.6V, RLIM = 1.87k Minimum Off-Time Constant KOFF 1.1 V*µs tOFF K OFF / (VOUT- VBATT) Maximum On-Time Constant KON 3.3 V*µs tON K ON / VBATT NMOS Switch Resistance 0.30 0.6 INMOS = 100mA PMOS Switch Resistance 0.30 0.6 IPMOS = 100mA FB Set Voltage, VFB 1.20 1.25 1.30 V External feedback FB Input Current 1 100 nA VFB =1.3V LBI Falling Trip Voltage 0.594 0.625 0.656 V LBI Hysteresis 25 mV Low Output Voltage for LBON, VOL 0.4 V VBATT = 1.3V, Isink = 1mA Leakage current for LBON 500 nA VBATT = 1.3V, VLBON = 3.3V SHDN Input Voltage VIL 0.25 VBATT = 1.3V VIH 1.0 V VBATT = 1.3V VIL 0.5 VBATT = 2.6V VIH 2.0 VBATT = 2.6V SHDN Input Current 1 100 nA SPECIFICATIONS VBATT=VSHDN = 1.3V, VFB=0V, ILOAD = 0mA, TAMB= -40°C to +85°C, VOUT = +3.3V, typical values at 27°C unless otherwise noted. ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. LX, Vo, V BATT , LBON, FB to GND pin ................................. -0.3 to 6.0V SHDN, LBI ............................................................ -0.3V to V BATT +0.5V Vo, GND, LX Current .................................................................... 1.3A Reverse V BATT Current ............................................................... 220mA Forward V BATT Current ............................................................... 500mA Storage Temperature .................................................. -65 °C to 150°C Operating Temperature ................................................ -40°C to +85°C Lead Temperature (Soldering, 10 sec) ....................................... 300 °C ESD Rating ........................................................................... 2kV HBM |
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