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| SP6644EU-L Datasheet, PDF (3/15 Pages) Sipex Corporation – Single/Dual Alkaline Cell, High Efficiency Boost DC-DC Regulator | |||
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ELECTRICAL CHARACTERISTICS
VBATT = VSHDN = 1.3V, ILOAD = 0mA, FB = GND, TAMB = -40oC to +85oC, and typical values are at TAMB = +25oC unless otherwise noted.
PARAMETER
MIN. TYP. MAX. UNITS
CONDITIONS
Quiescent Current into V , I
OUT QOUT
Quiescent Current into VBATT, IQBATT
Shutdown Current into VOUT, ISHDNOUT
Shutdown Current into VBATT, ISHDNBATT
Low Output Voltage for BATTLO, VOL
Leakage Current for BATTLO
50 80
1.6 3.0
0.001 0.5
0.005 0.1
0.4
1
Efficiency
89
Inductor Peak Current, IPEAK
Under Voltage Lock-out (UVLO)
275 350 400
0.500 0.720
µA ⦠V = 3.5V
OUT
µA ⦠VBATT = 1.0V
µA ⦠VOUT = 3.5V, VSHDN - 0V
µA ⦠VBATT = 1.0V, VSHDN - 0V
V
⦠VBATT = 0.9V,VOUT = +3.3V,ISINK =1mA
µA
⦠VBATT = 2.6V,VBATTLO = 3.5V
%
⦠ILOAD = 150mA,VBATT = 2.6V
mA ⦠RLIM = 5kâ¦, NOTE 3
Vâ¦
NOTE 1: The reverse battery current is measured from the Typical Operating Circuit's input terminal to GND
when the battery is connected backward. A reverse current of 220mA will not exceed package dissipation limits
but, if left for an extended time (more than 10 minutes), may degrade performance.
NOTE 2: Specifications to -40oC are guaranteed by design, not production tested.
NOTE 3: Inductor Peak Current where . IPEAK =
1400
RLIM
Date: 11/30/04
SP6644/6645 High Efficiency Boost Regulator
3
© Copyright 2004 Sipex Corporation
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