SP6641 Sipex, SP6641 Datasheet - Page 2

• Manufacturer Part Number: SP6641
• Description: 500mA Alkaline DC/DC Boost Regulator in SOT-23
• Manufacturer: Sipex

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
V
unless otherwise noted.
Rev. 3/5/02, *Patent Pending
BATT
PARAMETER
Input Voltage Operating Range,
V
Startup Voltage, V
Output Voltage, V
Quiescent Current into V
I
Quiescent Current into V
I
Shutdown Current into V
I
Shutdown Current into V
I
Inductor Current Limit
(SP6641A)
Inductor Current Limit
(SP6641B)
Output Current (SP6641AEK-3.3)
Output Current (SP6641BEK-3.3)
Output Current (SP6641AEK-5.0)
Output Current (SP6641BEK-5.0)
Minimum Off-Time Constant
K
NMOS Switch Resistance
SHDN Input Voltage
SHDN Input Current
Q(OUT)
QB
SHDN
SHDN
BATT
OFF
= V
SHDN
= 1.3V, I
OUT
BATT
LOAD
SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23
OUT
BATT
OUT
BATT
= 0mA, -40 C <T
Vil
Vih
,
,
,
,
3.16
4.80
MIN
280
850
0.5
80
A
< +85 C, V
1000
TYP
0.85
3.30
5.00
1.50
250
330
190
200
500
100
175
275
500
0.3
10
20
90
1
1
2
OUT
LX Current .......................................................... 1.5A
Reverse V
Storage Temperature ........................ -65 C to 150 C
Operating Temperature ..................... -40 C to +85 C
Lead Temperature (Soldering, 10 sec) .......... 300 C
LX, V
MAX
1150
0.90
1.00
3.44
5.20
0.75
500
500
100
380
100
4.5
= +3.3V or +5.0V preset, typical values at 27 C
15
20
OUT
, SHDN, V
UNITS
V* s
BATT
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
nA
nA
nA
nA
%
%
V
V
V
V
V
A
Current ................................... 220mA
BATT
CONDITIONS
after startup
R
R
3.3V V
5.0V V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
T
Inmos=100mA
% of V
% of V
OFF
OUT
OUT
OUT
OUT
SHDN
SHDN
BATT
BATT
BATT
BATT
BATT
BATT
BATT
BATT
LOAD
LOAD
to GND pin ....... -0.3 to 6.0V
=3.5V, 3.3V V
=5.5V, 5.0V V
=3.5V, 3.3V V
=5.5V, 5.0V V
=3k , T
=3k ,-40 C <T
© Copyright 2002 Sipex Corporation
=1.3V
=2.6V
=1.3V
=2.6V
=2.0V
=3.3V
=2.0V
=3.3V
=0V
=0V
BATT
BATT
OUT
OUT
K
OFF
preset
preset
/ (V
A
=27 C
OUT
OUT
OUT
OUT
OUT
– V
A
< +85 C
preset
preset
preset
preset
IN
)