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SP6641BEK-L-5-0 Datasheet(PDF) 2 Page - Sipex Corporation

Part # SP6641BEK-L-5-0
Description  500mA Alkaline DC/DC Boost Regulator in SOT-23
Download  13 Pages
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6641BEK-L-5-0 Datasheet(HTML) 2 Page - Sipex Corporation

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Rev. 5/26/05,
*Patent Pending
SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23
© Copyright 2002 Sipex Corporation
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.
ELECTRICAL SPECIFICATIONS
VBATT = VSHDN = 1.3V, ILOAD = 0mA, -40°C <TA < +85°C, VOUT = +3.3V or +5.0V preset, typical values at 27°C
unless otherwise noted.
LX, VOUT, SHDN, VBATT to GND pin ....... -0.3 to 6.0V
LX Current .......................................................... 1.5A
Reverse VBATT Current ................................... 220mA
Storage Temperature ........................ -65°C to 150°C
Operating Temperature ..................... -40°C to +85°C
Lead Temperature (Soldering, 10 sec) .......... 300 °C
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
Input Voltage Operating Range,
0.5
4.5
V
after startup
VBATT
Startup Voltage, VBATT
0.85
0.90
V
RLOAD=3kΩ, TA =27°C
1.00
V
RLOAD=3kΩ,-40°C <TA < +85°C
Output Voltage, VOUT
3.16
3.30
3.44
V
3.3V VOUT preset
4.80
5.00
5.20
V
5.0V VOUT preset
Quiescent Current into VOUT,10
15
µAVOUT=3.5V, 3.3V VOUT preset
IQ(OUT)
VOUT=5.5V, 5.0V VOUT preset
Quiescent Current into VBATT,
250
500
nA
VOUT=3.5V, 3.3V VOUT preset
IQB
VOUT=5.5V, 5.0V VOUT preset
Shutdown Current into VOUT,1
500
nA
VSHDN =0V
ISHDN
Shutdown Current into VBATT,20
100
nA
VSHDN =0V
ISHDN
Inductor Current Limit
280
330
380
mA
(SP6641A)
Inductor Current Limit
850
1000
1150
mA
(SP6641B)
Output Current (SP6641AEK-3.3)
90
mA
VBATT =1.3V
190
mA
VBATT =2.6V
Output Current (SP6641BEK-3.3)
200
mA
VBATT =1.3V
500
mA
VBATT =2.6V
Output Current (SP6641AEK-5.0)
100
mA
VBATT =2.0V
175
mA
VBATT =3.3V
Output Current (SP6641BEK-5.0)
275
mA
VBATT =2.0V
500
mA
VBATT =3.3V
Minimum Off-Time Constant
1.50
V*µsTOFF ≥ KOFF / (VOUT – VIN)
KOFF
NMOS Switch Resistance
0.3
0.75
Inmos=100mA
SHDN Input Voltage
Vil
20
%
% of VBATT
Vih
80
%
% of VBATT
SHDN Input Current
1
100
nA


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